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STATISTICS FOR NEW ZEALAND

STATISTICS FOR NEW ZEALAND


GEMS/WATER - STATISTICAL SUMMARY BY STATION     2002-01-24   PAGE 517

 STATION - WAIKATO RIVER AT TAUPO GATES             STATION NO. 017001
 COUNTRY - NEW ZEALAND                              DEPTH(M)       4.4
 LOCATION - OCT. 7  LAT. 38/41/00  LONG. 176/04/00  ELEVATION(M) 358.5
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-09 TO 1993-05-12

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                           SUM OF     SUM OF       ELEC       TEMP          B
                          CATIONS     ANIONS       COND                  DISS
                            00120      00125      02041      02061      05105
                            MEQ/L      MEQ/L      us/cm      deg C     mg/L B


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        9          9         14         20          5
 MEAN                       1.161      1.192       110.       14.5        0.2
 MINIMUM                    1.120      1.140       109.        9.8        0.2
 DATE OF MINIMUM       1993-02-10 1992-05-06 1991-03-06 1992-08-05 1993-02-10
 10TH PERCENTILE                                   109.       10.0           
 MEDIAN                     1.170      1.180       110.       14.6        0.2
 90TH PERCENTILE                                   111.       18.4           
 MAXIMUM                    1.210      1.260       113.       19.2        0.2
 DATE OF MAXIMUM       1991-07-10 1992-08-05 1992-05-06 1993-01-13 1991-11-06
 STANDARD DEVIATION         0.027      0.045         1.        3.3        0.0




                         CHLORO A     N KJEL     NO3NO2        NH3    PERCENT
                                                                       DO SAT
                            06711      07001      07105      07556      08001
                             mg/L     mg/L N     mg/L N     mg/L N    PERCENT


 NO. OF L-FLAGGED VALUES        3          0          2          2          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       12          3         18         17          9
 MEAN                      0.0016        0.1       0.01       0.01        99.
 MINIMUM                   0.0001                  0.00       0.00        95.
 DATE OF MINIMUM       1992-10-07            1991-03-06 1991-11-06 1992-07-08
 10TH PERCENTILE           0.0002                  0.00       0.01           
 MEDIAN                    0.0011                  0.00       0.01       100.
 90TH PERCENTILE           0.0030                  0.01       0.02           
 MAXIMUM                   0.0035                  0.03       0.03       104.
 DATE OF MAXIMUM       1992-01-15            1992-09-09 1993-01-13 1992-01-15
 STANDARD DEVIATION        0.0011                  0.01       0.01         3.




                               O2        BOD        COD          F        ALK
                             DISS                             DISS      TOTAL
                            08101      08201      08301      09104      10101
                          mg/L O2    mg/L O2    mg/L O2     mg/L F       mg/L


 NO. OF L-FLAGGED VALUES        0          0          2          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       19         20          7          6         13
 MEAN                        10.2         1.         3.        0.2      37.71
 MINIMUM                      8.7         0.         2.        0.2      35.50
 DATE OF MINIMUM       1991-03-06 1991-07-10 1992-10-07 1992-11-11 1991-05-08
 10TH PERCENTILE              9.2         0.                            35.80
 MEDIAN                      10.2         1.         3.        0.2      37.00
 90TH PERCENTILE             11.6         1.                            39.45
 MAXIMUM                     11.6         1.         6.        0.2      40.00
 DATE OF MAXIMUM       1992-09-09 1991-09-11 1993-05-12 1992-08-05 1993-02-10
 STANDARD DEVIATION           0.9         0.         1.        0.0       1.32




                               pH   SUSP SOL         Na         Mg         Si
                                     105 DEG       DISS       DISS   REACTIVE
                            10301      10401      11103      12102      14101
                         pH UNITS       mg/L    mg/L Na    mg/L Mg   mg/LSiO2


 NO. OF L-FLAGGED VALUES        0          3          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       15          9         12         18         12
 MEAN                         8.0         2.        13.         3.      19.68
 MINIMUM                      7.8         0.        12.         2.      17.10
 DATE OF MINIMUM       1991-07-10 1992-05-06 1993-05-12 1991-05-08 1991-11-06
 10TH PERCENTILE              7.8         1.        12.         3.      17.38
 MEDIAN                       8.0         2.        13.         3.      19.50
 90TH PERCENTILE              8.1         2.        14.         3.      21.28
 MAXIMUM                      8.2         3.        14.         3.      22.50
 DATE OF MAXIMUM       1993-03-10 1992-08-05 1991-07-10 1992-11-11 1991-01-09
 STANDARD DEVIATION           0.1         1.         1.         0.       1.46




                          P ORTHO          P   SULPHATE         Cl          K
                            TOTAL      TOTAL                  DISS       DISS
                            15205      15405      16302      17203      19103
                           mg/L P     mg/L P   mg/L SO4    mg/L Cl     mg/L K


 NO. OF L-FLAGGED VALUES        2          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        2         20         12         13         13
 MEAN                       0.002      0.007         7.        10.        1.9
 MINIMUM                    0.001      0.003         5.         9.        1.8
 DATE OF MINIMUM       1991-05-08 1991-09-11 1992-03-11 1993-05-12 1991-09-11
 10TH PERCENTILE                       0.005         5.         9.        1.8
 MEDIAN                     0.002      0.007         8.        10.        1.9
 90TH PERCENTILE                       0.010         9.        10.        2.0
 MAXIMUM                    0.003      0.015        10.        10.        2.0
 DATE OF MAXIMUM       1991-01-09 1992-07-08 1992-08-05 1992-11-11 1992-03-11
 STANDARD DEVIATION         0.001      0.003         1.         0.        0.1




                               Ca         Mn         Fe         As   FAEC COL
                             DISS      TOTAL      TOTAL      TOTAL           
                            20105      25009      26002      33007      36012
                          mg/L Ca    mg/L Mn    mg/L Fe    mg/L As   No/100ml


 NO. OF L-FLAGGED VALUES        0          6          4          0          5
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       17          0          2          6         15
 MEAN                       6.282       0.02       0.04      0.009         9.
 MINIMUM                    6.100       0.02       0.04      0.007         1.
 DATE OF MINIMUM       1991-11-06 1991-11-06 1991-11-06 1993-05-12 1991-11-06
 10TH PERCENTILE            6.100                                          1.
 MEDIAN                     6.300       0.02       0.04      0.009         4.
 90TH PERCENTILE            6.430                                         13.
 MAXIMUM                    6.800       0.03       0.07      0.011        75.
 DATE OF MAXIMUM       1991-05-08 1992-05-06 1992-11-11 1993-02-10 1992-03-11
 STANDARD DEVIATION         0.170       0.00       0.01      0.001        16.




                             INST
                           DISCHG
                            97160
                             m3/S


 NO. OF L-FLAGGED VALUES        0
 NO. OF G-FLAGGED VALUES        0
 NO. OF UNFLAGGED VALUES       20
 MEAN                       168.6
 MINIMUM                     94.0
 DATE OF MINIMUM       1993-05-12
 10TH PERCENTILE            103.0
 MEDIAN                     151.0
 90TH PERCENTILE            248.0
 MAXIMUM                    269.0
 DATE OF MAXIMUM       1992-09-09
 STANDARD DEVIATION          56.4





 STATION - WAIKATO RIVER AT MERCER BRIDGE           STATION NO. 017002
 COUNTRY - NEW ZEALAND                              DEPTH(M)       4.6
 LOCATION - OCT. 7  LAT. 37/17/00  LONG. 175/03/00  ELEVATION(M)   3.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-15 TO 1993-05-11

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                           SUM OF     SUM OF       ELEC       TEMP         Li
                          CATIONS     ANIONS       COND                  DISS
                            00120      00125      02041      02061      03101
                            MEQ/L      MEQ/L      us/cm      deg C    mg/L Li


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       13         13         25         29          8
 MEAN                       1.464      1.468       141.       16.8        0.1
 MINIMUM                    1.292      1.249        94.       10.3        0.0
 DATE OF MINIMUM       1991-09-16 1991-09-16 1991-08-12 1991-07-09 1991-08-12
 10TH PERCENTILE            1.294      1.264       124.       11.8           
 MEDIAN                     1.507      1.492       144.       17.0        0.1
 90TH PERCENTILE            1.564      1.514       157.       21.3           
 MAXIMUM                    1.582      1.800       166.       22.5        0.1
 DATE OF MAXIMUM       1992-06-04 1993-05-11 1991-06-04 1993-02-09 1991-06-04
 STANDARD DEVIATION         0.105      0.129        15.        3.8        0.0




                                B   CHLORO A     N KJEL     NO3NO2      NO2-N
                             DISS                                            
                            05105      06711      07001      07105      07207
                           mg/L B       mg/L     mg/L N     mg/L N     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       22         11          8         29          8
 MEAN                         0.2     0.0174        0.5       0.29       0.00
 MINIMUM                      0.1     0.0032        0.2       0.03       0.00
 DATE OF MINIMUM       1991-09-16 1992-08-04 1991-06-04 1991-01-15 1991-01-15
 10TH PERCENTILE              0.1     0.0032                  0.04           
 MEDIAN                       0.2     0.0101        0.4       0.24       0.00
 90TH PERCENTILE              0.3     0.0329                  0.62           
 MAXIMUM                      0.3     0.0384        0.8       0.91       0.01
 DATE OF MAXIMUM       1993-05-11 1993-02-09 1991-01-15 1991-08-12 1991-08-12
 STANDARD DEVIATION           0.1     0.0135        0.2       0.24       0.00




                              NH3    PERCENT         O2        BOD        COD
                                      DO SAT       DISS                      
                            07556      08001      08101      08201      08301
                           mg/L N    PERCENT    mg/L O2    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES       10          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       19         18         29         11         28
 MEAN                        0.03        98.        9.5         2.        13.
 MINIMUM                     0.00        82.        7.8         1.         7.
 DATE OF MINIMUM       1991-01-15 1992-12-08 1992-12-08 1993-05-11 1991-06-04
 10TH PERCENTILE             0.00        86.        8.5         1.         8.
 MEDIAN                      0.01        98.        9.6         2.        13.
 90TH PERCENTILE             0.06       105.       10.4         2.        18.
 MAXIMUM                     0.26       113.       10.9         2.        26.
 DATE OF MAXIMUM       1991-08-12 1993-02-09 1992-09-08 1993-01-12 1993-03-09
 STANDARD DEVIATION          0.05         7.        0.7         1.         4.



                           PERM V     PERM V          F        ALK         pH
                                                   DISS      TOTAL           
                            08401      08402      09104      10101      10301
                          mg/L O2    mg/L O2     mg/L F       mg/L   pH UNITS


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        8          8         22         22         28
 MEAN                          4.         1.        0.2      35.90        7.4
 MINIMUM                       3.         1.        0.1      19.10        6.8
 DATE OF MINIMUM       1991-01-15 1991-04-08 1991-09-16 1991-08-12 1991-07-09
 10TH PERCENTILE                                    0.1      29.28        6.9
 MEDIAN                        4.         1.        0.2      37.25        7.3
 90TH PERCENTILE                                    0.2      39.68        8.0
 MAXIMUM                       7.         2.        0.2      42.00        8.4
 DATE OF MAXIMUM       1991-08-12 1991-08-12 1993-05-11 1993-02-09 1993-01-12
 STANDARD DEVIATION            1.         0.        0.0       5.01        0.4




                         SUSP SOL         Na         Mg         Si    P ORTHO
                          105 DEG       DISS       DISS   REACTIVE      TOTAL
                            10401      11103      12102      14101      15205
                             mg/L    mg/L Na    mg/L Mg   mg/LSiO2     mg/L P


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       22         22         28         21          8
 MEAN                         19.        19.         2.      27.26      0.020
 MINIMUM                       6.        10.         2.      20.60      0.013
 DATE OF MINIMUM       1992-06-04 1991-08-12 1991-08-12 1991-08-12 1991-01-15
 10TH PERCENTILE               7.        14.         2.      23.00           
 MEDIAN                       17.        20.         3.      27.10      0.018
 90TH PERCENTILE              24.        21.         3.      31.15           
 MAXIMUM                      72.        22.         3.      32.30      0.032
 DATE OF MAXIMUM       1991-08-12 1991-06-04 1991-12-09 1993-05-11 1991-06-04
 STANDARD DEVIATION           14.         3.         0.       3.04      0.007




                                P   SULPHATE         Cl          K         Ca
                            TOTAL                  DISS       DISS       DISS
                            15405      16302      17203      19103      20103
                           mg/L P   mg/L SO4    mg/L Cl     mg/L K    mg/L Ca


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       29         22         22         22         18
 MEAN                       0.083         9.        19.        3.2      7.391
 MINIMUM                    0.053         6.        12.        2.7      6.120
 DATE OF MINIMUM       1992-11-10 1992-05-04 1991-08-12 1991-10-14 1991-08-12
 10TH PERCENTILE            0.058         6.        16.        2.8      6.312
 MEDIAN                     0.075         8.        19.        3.2      7.400
 90TH PERCENTILE            0.113        10.        21.        3.5      8.184
 MAXIMUM                    0.163        15.        24.        3.7      8.520
 DATE OF MAXIMUM       1992-12-08 1992-08-04 1991-06-04 1993-02-09 1991-11-11
 STANDARD DEVIATION         0.028         2.         3.        0.2      0.712




                               Ca         Mn         Fe         Fe         Zn
                             DISS      TOTAL      TOTAL       DISS       DISS
                            20105      25009      26002      26104      30104
                          mg/L Ca    mg/L Mn    mg/L Fe    mg/L Fe    mg/L Zn


 NO. OF L-FLAGGED VALUES        0          0          0          0          7
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       10         22         22         18         11
 MEAN                       6.830       0.05       0.61       0.15      0.007
 MINIMUM                    5.800       0.01       0.17       0.01      0.005
 DATE OF MINIMUM       1992-12-08 1991-06-04 1992-04-06 1991-05-06 1991-01-15
 10TH PERCENTILE            5.800       0.02       0.23       0.06      0.005
 MEDIAN                     6.750       0.05       0.46       0.14      0.006
 90TH PERCENTILE            7.500       0.07       1.00       0.19      0.011
 MAXIMUM                    7.800       0.09       2.00       0.29      0.014
 DATE OF MAXIMUM       1992-08-04 1991-08-12 1991-08-12 1991-10-14 1991-10-14
 STANDARD DEVIATION         0.566       0.02       0.41       0.06      0.003




                               As   FAEC COL       FAEC       INST
                            TOTAL                 STREP     DISCHG
                            33007      36011      36102      97160
                          mg/L As   No/100ml   No/100ml       m3/S


 NO. OF L-FLAGGED VALUES        0          1          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0
 NO. OF UNFLAGGED VALUES       21         28          8         27
 MEAN                       0.019       434.        66.      388.3
 MINIMUM                    0.008         2.         0.      231.0
 DATE OF MINIMUM       1991-08-12 1992-03-09 1991-02-12 1993-05-11
 10TH PERCENTILE            0.010        40.                 236.9
 MEDIAN                     0.018       140.        19.      334.0
 90TH PERCENTILE            0.027       851.                 572.6
 MAXIMUM                    0.028      3300.       260.      761.0
 DATE OF MAXIMUM       1993-05-11 1992-12-08 1991-08-12 1992-12-08
 STANDARD DEVIATION         0.006       723.       100.      144.4





 STATION - WAIPAPA AT FOREST RANGER                 STATION NO. 017005
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 35/16/34  LONG. 173/41/02  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-16 TO 1993-12-14

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                       120.0       26.6        0.9        6.8        1.5
 MINIMUM                     47.0        6.0        0.0        2.4        0.1
 DATE OF MINIMUM       1991-01-16 1993-03-17 1991-01-16 1993-03-17 1993-03-17
 10TH PERCENTILE             48.6        9.6        0.0        2.8        0.6
 MEDIAN                     107.5       24.0        0.0        6.2        1.4
 90TH PERCENTILE            193.5       41.8        2.3       11.0        2.2
 MAXIMUM                    332.0       73.0        6.0       19.0        4.1
 DATE OF MAXIMUM       1992-02-11 1992-02-11 1992-11-18 1992-02-11 1992-02-11
 STANDARD DEVIATION          64.8       16.0        1.3        3.7        0.8




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        120.       13.9        2.6        1.9      0.018
 MINIMUM                     102.        7.4        0.8        0.6      0.004
 DATE OF MINIMUM       1992-02-11 1993-07-14 1992-02-11 1993-03-17 1991-12-18
 10TH PERCENTILE             108.       10.0        1.2        0.7      0.005
 MEDIAN                      121.       13.3        2.6        1.8      0.010
 90TH PERCENTILE             130.       18.4        4.3        3.4      0.046
 MAXIMUM                     134.       20.3        4.7        6.0      0.062
 DATE OF MAXIMUM       1993-03-17 1993-01-13 1991-06-12 1992-02-11 1992-07-16
 STANDARD DEVIATION            8.        3.4        1.1        1.2      0.017




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        0.01       0.10        97.       10.1         0.
 MINIMUM                     0.00       0.05        92.        8.5         0.
 DATE OF MINIMUM       1991-06-12 1992-03-18 1992-02-11 1992-01-15 1993-11-16
 10TH PERCENTILE             0.00       0.06        94.        8.7         0.
 MEDIAN                      0.00       0.09        98.       10.2         0.
 90TH PERCENTILE             0.01       0.14       100.       10.9         1.
 MAXIMUM                     0.01       0.17       102.       12.0         1.
 DATE OF MAXIMUM       1992-03-18 1992-02-11 1991-05-15 1993-07-14 1992-04-15
 STANDARD DEVIATION          0.00       0.03         2.        0.9         0.



                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         7.6      0.004      0.009        2.2        73.
 MINIMUM                      7.4      0.001      0.005        0.5         0.
 DATE OF MINIMUM       1992-07-16 1992-02-11 1991-05-15 1991-06-12 1992-02-11
 10TH PERCENTILE              7.5      0.002      0.005        0.6        15.
 MEDIAN                       7.6      0.004      0.009        1.4        88.
 90TH PERCENTILE              7.7      0.005      0.014        4.0       100.
 MAXIMUM                      7.8      0.006      0.016        8.6       100.
 DATE OF MAXIMUM       1993-12-14 1992-11-18 1992-02-11 1992-08-12 1991-07-17
 STANDARD DEVIATION           0.1      0.001      0.003        1.9        34.





 STATION - WAITANGI AT WAKELINS                     STATION NO. 017006
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 35/16/40  LONG. 174/02/52  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-16 TO 1993-12-14

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                       157.5       31.7        0.8        9.0        1.8
 MINIMUM                     70.0       13.0        0.0        4.0        0.8
 DATE OF MINIMUM       1991-06-12 1991-06-12 1991-01-16 1991-06-12 1991-06-12
 10TH PERCENTILE            102.4       18.6        0.0        5.9        1.1
 MEDIAN                     145.5       29.5        0.0        8.4        1.6
 90TH PERCENTILE            221.8       46.3        2.0       12.3        2.6
 MAXIMUM                    262.0       56.0        4.0       15.0        3.0
 DATE OF MAXIMUM       1992-11-18 1992-11-18 1993-02-17 1992-11-18 1992-11-18
 STANDARD DEVIATION          47.8       11.2        1.1        2.7        0.6




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        124.       16.1        2.6        3.1      0.169
 MINIMUM                     104.        8.3        0.2        0.8      0.002
 DATE OF MINIMUM       1991-09-18 1993-07-14 1992-07-16 1992-05-13 1991-03-13
 10TH PERCENTILE             107.       11.1        0.7        0.9      0.004
 MEDIAN                      124.       16.0        2.5        2.0      0.120
 90TH PERCENTILE             140.       21.8        4.3        5.2      0.361
 MAXIMUM                     143.       25.1        6.0       23.0      0.810
 DATE OF MAXIMUM       1992-05-13 1991-02-13 1991-06-12 1992-07-16 1992-07-16
 STANDARD DEVIATION           13.        4.2        1.4        3.9      0.189




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        0.01       0.35        99.        9.9         0.
 MINIMUM                     0.00       0.10        85.        7.2         0.
 DATE OF MINIMUM       1993-07-14 1991-12-18 1992-01-15 1992-01-15 1992-06-18
 10TH PERCENTILE             0.00       0.15        90.        7.8         0.
 MEDIAN                      0.01       0.27       100.       10.1         0.
 90TH PERCENTILE             0.02       0.60       106.       11.2         1.
 MAXIMUM                     0.04       1.13       108.       12.1         1.
 DATE OF MAXIMUM       1992-07-16 1992-07-16 1993-10-13 1993-07-14 1992-07-16
 STANDARD DEVIATION          0.01       0.22         6.        1.2         0.



                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         7.5      0.004      0.014        3.9        64.
 MINIMUM                      7.0      0.002      0.004        0.8         0.
 DATE OF MINIMUM       1992-07-16 1991-03-13 1991-12-18 1991-03-13 1992-04-15
 10TH PERCENTILE              7.4      0.002      0.005        0.9        12.
 MEDIAN                       7.5      0.003      0.011        2.2        56.
 90TH PERCENTILE              7.7      0.006      0.023        7.1       100.
 MAXIMUM                      7.8      0.010      0.054       21.3       100.
 DATE OF MAXIMUM       1991-03-13 1993-08-18 1992-07-16 1992-07-16 1991-07-17
 STANDARD DEVIATION           0.2      0.002      0.009        4.1        32.





 STATION - MANGAKAHIA AT TITOKI BRIDGE              STATION NO. 017007
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 35/44/04  LONG. 174/03/09  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-16 TO 1993-12-14

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                       155.2       32.6        0.9        8.8        1.8
 MINIMUM                     86.0       15.0        0.0        5.0        0.9
 DATE OF MINIMUM       1991-03-13 1991-12-18 1991-01-16 1991-01-16 1991-12-18
 10TH PERCENTILE             88.2       16.0        0.0        5.1        0.9
 MEDIAN                     150.5       32.0        0.0        8.6        1.7
 90TH PERCENTILE            203.8       46.3        2.3       12.0        2.6
 MAXIMUM                    317.0       75.0        6.0       17.0        3.7
 DATE OF MAXIMUM       1993-02-17 1993-02-17 1993-02-17 1993-02-17 1993-02-17
 STANDARD DEVIATION          52.0       12.8        1.3        2.9        0.7




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        136.       16.6        1.4        6.7      0.094
 MINIMUM                     111.        8.3        0.1        1.0      0.001
 DATE OF MINIMUM       1992-04-15 1993-07-14 1992-08-12 1991-02-13 1991-02-13
 10TH PERCENTILE             115.       11.1        0.2        1.3      0.002
 MEDIAN                      132.       16.8        1.1        4.4      0.052
 90TH PERCENTILE             160.       23.3        3.0       17.1      0.230
 MAXIMUM                     171.       25.5        3.7       32.0      0.610
 DATE OF MAXIMUM       1991-01-16 1991-02-13 1991-02-13 1993-08-18 1992-07-16
 STANDARD DEVIATION           17.        4.5        1.1        6.9      0.128




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        0.01       0.28       100.        9.8         1.
 MINIMUM                     0.00       0.08        91.        7.9         0.
 DATE OF MINIMUM       1991-05-15 1991-06-12 1993-02-17 1991-01-16 1993-11-16
 10TH PERCENTILE             0.00       0.14        92.        8.9         0.
 MEDIAN                      0.01       0.24        98.        9.8         1.
 90TH PERCENTILE             0.02       0.48       110.       10.6         1.
 MAXIMUM                     0.04       0.81       116.       11.9         1.
 DATE OF MAXIMUM       1992-08-12 1992-07-16 1991-03-13 1993-07-14 1992-04-15
 STANDARD DEVIATION          0.01       0.16         7.        0.8         0.




                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         7.6      0.005      0.021       14.5        73.
 MINIMUM                      7.0      0.001      0.007        1.6         0.
 DATE OF MINIMUM       1992-07-16 1992-02-11 1991-05-15 1991-02-13 1992-05-13
 10TH PERCENTILE              7.2      0.002      0.009        2.8        25.
 MEDIAN                       7.5      0.004      0.017        9.6        81.
 90TH PERCENTILE              8.1      0.008      0.034       31.0       100.
 MAXIMUM                      8.5      0.014      0.067       69.4       100.
 DATE OF MAXIMUM       1991-03-13 1991-04-17 1993-08-18 1992-07-16 1991-07-17
 STANDARD DEVIATION           0.4      0.003      0.014       14.9        29.





 STATION - WAIRUA AT PURUA                          STATION NO. 017008
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 35/39/14  LONG. 174/09/04  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-16 TO 1993-12-14

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                       291.1       58.6        1.9       16.4        3.2
 MINIMUM                    136.0       24.0        0.0        7.8        1.4
 DATE OF MINIMUM       1991-06-12 1991-06-12 1991-01-16 1991-06-12 1991-06-12
 10TH PERCENTILE            187.6       35.2        0.0       11.0        2.0
 MEDIAN                     280.5       60.0        1.0       16.0        3.2
 90TH PERCENTILE            403.2       74.9        4.6       22.9        4.0
 MAXIMUM                    562.0      128.0        8.0       31.0        6.6
 DATE OF MAXIMUM       1992-11-18 1992-11-18 1992-11-18 1992-11-18 1992-11-18
 STANDARD DEVIATION          90.3       20.0        2.2        5.0        1.0




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        128.       16.4        1.0        7.7      0.392
 MINIMUM                     100.        9.3        0.1        2.4      0.001
 DATE OF MINIMUM       1992-11-18 1993-07-14 1993-08-18 1991-02-13 1991-01-16
 10TH PERCENTILE             112.       11.3        0.2        2.7      0.004
 MEDIAN                      126.       16.8        0.8        5.8      0.285
 90TH PERCENTILE             149.       22.3        1.8       13.8      0.959
 MAXIMUM                     168.       24.6        2.8       32.0      1.665
 DATE OF MAXIMUM       1992-05-13 1992-01-15 1991-02-13 1993-08-18 1992-07-16
 STANDARD DEVIATION           14.        4.2        0.6        7.0      0.406




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        0.03       0.70        95.        9.2         1.
 MINIMUM                     0.00       0.18        72.        6.8         0.
 DATE OF MINIMUM       1991-05-15 1991-06-12 1993-05-11 1992-11-18 1992-06-18
 10TH PERCENTILE             0.00       0.22        78.        7.4         0.
 MEDIAN                      0.01       0.52        95.        9.3         1.
 90TH PERCENTILE             0.09       1.34       108.       10.8         1.
 MAXIMUM                     0.22       2.22       124.       12.3         2.
 DATE OF MAXIMUM       1993-05-11 1992-07-16 1993-12-14 1991-06-12 1993-08-18
 STANDARD DEVIATION          0.04       0.50        12.        1.2         0.



                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         7.1      0.013      0.044       10.3        74.
 MINIMUM                      6.2      0.004      0.016        1.3         0.
 DATE OF MINIMUM       1992-07-16 1991-06-12 1991-06-12 1991-02-13 1992-05-13
 10TH PERCENTILE              6.5      0.006      0.024        1.7        32.
 MEDIAN                       7.2      0.013      0.042        4.7        88.
 90TH PERCENTILE              7.6      0.020      0.069       19.5       100.
 MAXIMUM                      8.0      0.026      0.097       91.1       100.
 DATE OF MAXIMUM       1993-12-14 1993-10-13 1993-08-18 1992-07-16 1991-07-17
 STANDARD DEVIATION           0.4      0.005      0.018       16.3        28.





 STATION - HOTEO AT GUBBS                           STATION NO. 017009
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 36/23/12  LONG. 174/30/38  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-16 TO 1993-12-22

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                       268.3       54.6        2.5       15.2        2.9
 MINIMUM                    178.0       28.0        0.0       10.0        1.6
 DATE OF MINIMUM       1992-07-01 1993-03-17 1991-01-16 1992-05-06 1993-03-17
 10TH PERCENTILE            194.8       35.0        0.0       11.0        2.0
 MEDIAN                     248.0       52.0        2.0       14.0        2.8
 90TH PERCENTILE            339.8       72.1        5.0       19.1        3.8
 MAXIMUM                    481.0      102.0       10.0       27.0        5.7
 DATE OF MAXIMUM       1992-11-18 1992-11-18 1993-08-04 1992-11-18 1992-11-18
 STANDARD DEVIATION          65.4       15.2        2.3        3.6        0.8




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         38         39         39         39
 MEAN                        180.       14.8        1.2        9.9      0.403
 MINIMUM                     135.        7.9        0.1        2.4      0.002
 DATE OF MINIMUM       1992-11-18 1992-07-01 1992-08-26 1993-04-14 1991-01-16
 10TH PERCENTILE             153.        9.8        0.5        2.9      0.003
 MEDIAN                      176.       14.0        1.1        6.6      0.425
 90TH PERCENTILE             202.       20.6        1.9       18.3      0.820
 MAXIMUM                     222.       22.5        2.8       47.0      1.280
 DATE OF MAXIMUM       1991-03-13 1993-01-20 1992-05-06 1992-08-26 1993-06-09
 STANDARD DEVIATION           21.        4.0        0.6        9.8      0.335




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         38         38
 MEAN                        0.02       0.72        89.        9.1         1.
 MINIMUM                     0.00       0.24        71.        6.5         0.
 DATE OF MINIMUM       1992-02-12 1991-12-18 1992-03-11 1991-02-13 1993-05-12
 10TH PERCENTILE             0.00       0.27        84.        7.5         0.
 MEDIAN                      0.01       0.70        90.        9.1         1.
 90TH PERCENTILE             0.05       1.13        94.       10.5         1.
 MAXIMUM                     0.10       1.81        99.       11.1         2.
 DATE OF MAXIMUM       1993-08-04 1993-06-09 1991-10-23 1992-07-01 1993-08-04
 STANDARD DEVIATION          0.02       0.39         5.        1.1         0.




                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                         7.4      0.020      0.055        2.8        72.
 MINIMUM                      7.0      0.005      0.018        0.1         0.
 DATE OF MINIMUM       1991-08-28 1991-03-13 1991-03-13 1991-04-10 1991-07-31
 10TH PERCENTILE              7.1      0.009      0.023        0.4        11.
 MEDIAN                       7.4      0.019      0.048        1.3        88.
 90TH PERCENTILE              7.7      0.029      0.086        6.2       100.
 MAXIMUM                      8.0      0.068      0.135        8.6       100.
 DATE OF MAXIMUM       1991-12-18 1993-04-14 1992-08-26 1991-08-28 1991-06-05
 STANDARD DEVIATION           0.2      0.011      0.026        2.7        34.





 STATION - RANGITOPUNI AT WALKERS                   STATION NO. 017010
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 36/44/19  LONG. 174/37/06  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-16 TO 1993-12-22

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                       420.1       85.8        4.4       23.7        4.5
 MINIMUM                    296.0       56.0        0.0       17.0        2.9
 DATE OF MINIMUM       1991-07-31 1993-06-09 1992-03-11 1991-07-31 1993-06-09
 10TH PERCENTILE            317.9       65.4        0.0       18.0        3.3
 MEDIAN                     417.0       84.0        5.0       23.0        4.4
 90TH PERCENTILE            523.4      107.4        8.0       30.0        5.6
 MAXIMUM                    571.0      127.0        9.0       32.0        6.8
 DATE OF MAXIMUM       1991-02-13 1992-11-18 1991-11-20 1991-05-08 1992-11-18
 STANDARD DEVIATION          74.7       17.0        2.5        4.2        0.9




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                        209.       14.2        0.7       12.2      0.289
 MINIMUM                     177.        7.3        0.2        2.6      0.003
 DATE OF MINIMUM       1991-08-28 1992-06-03 1993-08-04 1993-04-14 1991-03-13
 10TH PERCENTILE             180.       10.1        0.3        3.7      0.004
 MEDIAN                      205.       14.0        0.6       12.0      0.260
 90TH PERCENTILE             232.       19.7        1.2       22.0      0.582
 MAXIMUM                     258.       20.8        1.6       29.0      0.740
 DATE OF MAXIMUM       1993-05-12 1993-01-20 1993-04-14 1993-08-04 1993-06-09
 STANDARD DEVIATION           21.        3.6        0.4        7.1      0.228




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         38
 MEAN                        0.03       0.73        76.        8.0         1.
 MINIMUM                     0.00       0.39        25.        2.5         0.
 DATE OF MINIMUM       1991-01-16 1993-03-17 1993-04-14 1993-04-14 1993-05-12
 10TH PERCENTILE             0.01       0.42        50.        4.5         0.
 MEDIAN                      0.03       0.70        86.        8.5         1.
 90TH PERCENTILE             0.04       1.06        94.       10.6         2.
 MAXIMUM                     0.05       1.33        96.       11.2         3.
 DATE OF MAXIMUM       1992-07-29 1993-06-09 1992-08-26 1993-09-01 1991-01-16
 STANDARD DEVIATION          0.01       0.27        19.        2.4         1.




                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                         7.2      0.016      0.060        0.7        75.
 MINIMUM                      7.1      0.007      0.028        0.0        12.
 DATE OF MINIMUM       1992-02-12 1992-04-08 1992-04-08 1993-03-17 1993-02-17
 10TH PERCENTILE              7.1      0.009      0.040        0.0        38.
 MEDIAN                       7.2      0.015      0.060        0.3        88.
 90TH PERCENTILE              7.3      0.024      0.076        2.2       100.
 MAXIMUM                      7.5      0.033      0.105        4.2       100.
 DATE OF MAXIMUM       1993-09-29 1993-12-22 1993-08-04 1992-08-26 1991-04-10
 STANDARD DEVIATION           0.1      0.006      0.016        1.0        24.





 STATION - WAIPA AT OTEWA                           STATION NO. 017011
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 38/16/12  LONG. 175/20/54  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-15 TO 1993-12-16

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                       103.4       22.7        1.3        5.8        1.2
 MINIMUM                     61.0       11.0        0.0        3.5        0.5
 DATE OF MINIMUM       1991-04-16 1991-01-15 1991-01-15 1991-04-16 1993-03-18
 10TH PERCENTILE             64.6       13.0        0.0        3.6        0.7
 MEDIAN                      97.0       21.0        0.0        5.4        1.1
 90TH PERCENTILE            140.1       34.0        4.3        7.7        1.7
 MAXIMUM                    196.0       43.0        7.0       11.0        2.2
 DATE OF MAXIMUM       1992-01-14 1992-01-14 1993-09-16 1992-01-14 1992-01-14
 STANDARD DEVIATION          33.5        8.5        1.9        1.9        0.4




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         57.       12.1        1.6        6.7      0.229
 MINIMUM                      48.        4.5        0.1        0.8      0.058
 DATE OF MINIMUM       1992-08-11 1991-07-16 1992-08-11 1991-04-16 1992-02-12
 10TH PERCENTILE              51.        8.6        0.3        0.9      0.095
 MEDIAN                       56.       11.8        1.5        2.5      0.197
 90TH PERCENTILE              64.       16.6        2.7       16.3      0.392
 MAXIMUM                      71.       18.9        4.0       60.0      0.600
 DATE OF MAXIMUM       1993-05-13 1991-02-12 1991-04-16 1993-06-17 1991-08-13
 STANDARD DEVIATION            5.        3.3        1.0       12.5      0.126




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        0.01       0.36        99.       10.6         0.
 MINIMUM                     0.00       0.14        95.        9.1         0.
 DATE OF MINIMUM       1991-06-12 1992-02-12 1993-02-18 1993-02-18 1992-11-19
 10TH PERCENTILE             0.00       0.19        97.        9.3         0.
 MEDIAN                      0.01       0.32        99.       10.7         0.
 90TH PERCENTILE             0.02       0.58       101.       11.5         1.
 MAXIMUM                     0.04       0.69       103.       13.0         2.
 DATE OF MAXIMUM       1991-12-17 1991-08-13 1991-03-19 1991-07-16 1992-01-14
 STANDARD DEVIATION          0.01       0.14         2.        0.8         0.




                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         7.2      0.009      0.031       10.3        74.
 MINIMUM                      7.0      0.004      0.011        2.5         0.
 DATE OF MINIMUM       1991-08-13 1991-01-15 1991-01-15 1993-03-18 1992-02-12
 10TH PERCENTILE              7.1      0.005      0.011        3.2        12.
 MEDIAN                       7.2      0.008      0.019        6.5        88.
 90TH PERCENTILE              7.3      0.011      0.052       18.0       100.
 MAXIMUM                      7.3      0.041      0.125       46.5       100.
 DATE OF MAXIMUM       1993-09-16 1993-03-18 1993-06-17 1992-08-11 1991-07-16
 STANDARD DEVIATION           0.1      0.007      0.027        9.9        33.





 STATION - WAIPA AT WHATAWHATA                      STATION NO. 017012
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 37/48/00  LONG. 175/09/04  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-15 TO 1993-12-16

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                       163.1       34.6        1.7        9.1        1.8
 MINIMUM                     86.0       18.0        0.0        4.7        0.7
 DATE OF MINIMUM       1991-08-13 1991-06-12 1991-01-15 1991-08-13 1993-12-16
 10TH PERCENTILE            115.6       21.6        0.0        6.7        1.1
 MEDIAN                     151.0       32.0        1.0        8.6        1.7
 90TH PERCENTILE            228.4       49.3        5.0       13.0        2.5
 MAXIMUM                    278.0       60.0        6.0       16.0        3.4
 DATE OF MAXIMUM       1992-04-13 1992-04-13 1993-10-14 1992-04-13 1992-04-13
 STANDARD DEVIATION          44.4       10.9        2.0        2.4        0.6




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        115.       14.8        0.7        9.9      0.633
 MINIMUM                      91.        6.7        0.2        2.4      0.190
 DATE OF MINIMUM       1992-08-11 1991-07-16 1992-08-11 1992-03-18 1991-01-15
 10TH PERCENTILE             103.        9.5        0.3        3.0      0.307
 MEDIAN                      117.       14.6        0.6        6.9      0.582
 90TH PERCENTILE             126.       20.8        1.3       21.2      0.984
 MAXIMUM                     131.       22.3        2.2       43.0      1.270
 DATE OF MAXIMUM       1993-02-18 1992-02-13 1992-03-18 1992-08-11 1991-08-13
 STANDARD DEVIATION           10.        4.2        0.5        9.4      0.285




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        0.03       0.87        92.        9.3         1.
 MINIMUM                     0.00       0.37        80.        7.9         0.
 DATE OF MINIMUM       1992-02-13 1991-01-15 1992-04-13 1993-01-14 1993-05-13
 10TH PERCENTILE             0.01       0.47        86.        8.0         0.
 MEDIAN                      0.02       0.79        92.        9.3         1.
 90TH PERCENTILE             0.05       1.37        96.       10.4         1.
 MAXIMUM                     0.10       1.57       100.       11.9         2.
 DATE OF MAXIMUM       1992-04-13 1991-08-13 1992-02-13 1991-07-16 1992-04-13
 STANDARD DEVIATION          0.02       0.34         4.        1.0         1.



                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         7.3      0.023      0.068       83.2        78.
 MINIMUM                      6.9      0.010      0.035       17.6        12.
 DATE OF MINIMUM       1991-08-13 1991-06-12 1991-07-16 1993-02-18 1991-05-14
 10TH PERCENTILE              7.0      0.012      0.045       24.4        32.
 MEDIAN                       7.3      0.021      0.063       39.4        88.
 90TH PERCENTILE              7.5      0.035      0.092      150.8       100.
 MAXIMUM                      7.8      0.047      0.140      490.4       100.
 DATE OF MAXIMUM       1992-04-13 1991-12-17 1992-08-11 1991-08-13 1991-06-12
 STANDARD DEVIATION           0.2      0.010      0.022       99.2        25.





 STATION - WAIKATO AT HAMILTON TRAFF BR             STATION NO. 017013
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 37/47/38  LONG. 175/17/21  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-15 TO 1993-12-16

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        78.1       19.6        1.6        4.3        1.0
 MINIMUM                     42.0        8.0        0.0        2.4        0.4
 DATE OF MINIMUM       1992-04-13 1993-04-15 1991-01-15 1992-04-13 1993-03-18
 10TH PERCENTILE             52.0       10.2        0.0        2.8        0.5
 MEDIAN                      70.0       17.5        1.0        3.8        0.8
 90TH PERCENTILE            109.6       29.3        4.3        6.3        1.4
 MAXIMUM                    157.0       46.0        7.0        8.8        2.3
 DATE OF MAXIMUM       1992-12-15 1993-08-19 1993-03-18 1992-12-15 1992-12-15
 STANDARD DEVIATION          27.8        9.5        2.0        1.5        0.5




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        168.       15.7        1.2        1.8      0.155
 MINIMUM                     143.        9.6        0.6        0.6      0.015
 DATE OF MINIMUM       1992-12-15 1991-07-16 1993-02-18 1993-11-18 1991-02-12
 10TH PERCENTILE             150.       10.7        0.7        1.2      0.041
 MEDIAN                      168.       15.6        1.0        1.8      0.120
 90TH PERCENTILE             185.       20.5        2.1        2.4      0.285
 MAXIMUM                     191.       21.5        2.5        4.0      0.450
 DATE OF MAXIMUM       1993-11-18 1992-02-12 1992-10-12 1992-12-15 1991-08-13
 STANDARD DEVIATION           13.        3.8        0.5        0.7      0.114




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        0.01       0.34       107.       10.6         1.
 MINIMUM                     0.00       0.20        95.        9.1         0.
 DATE OF MINIMUM       1991-05-14 1992-02-12 1993-06-17 1991-01-15 1992-11-19
 10TH PERCENTILE             0.00       0.23        99.        9.7         0.
 MEDIAN                      0.01       0.31       107.       10.6         1.
 90TH PERCENTILE             0.02       0.44       115.       11.3         1.
 MAXIMUM                     0.04       0.73       119.       11.9         2.
 DATE OF MAXIMUM       1991-08-13 1991-08-13 1992-01-14 1993-10-14 1991-12-17
 STANDARD DEVIATION          0.01       0.11         6.        0.6         0.



                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         7.8      0.012      0.031      248.0        64.
 MINIMUM                      7.4      0.003      0.021      174.4         0.
 DATE OF MINIMUM       1991-08-13 1991-03-19 1991-03-19 1993-10-14 1991-05-14
 10TH PERCENTILE              7.5      0.005      0.025      177.1        12.
 MEDIAN                       7.8      0.009      0.030      238.9        62.
 90TH PERCENTILE              8.1      0.021      0.040      326.4       100.
 MAXIMUM                      8.2      0.030      0.051      380.3       100.
 DATE OF MAXIMUM       1993-04-15 1993-06-17 1993-06-17 1992-09-16 1991-09-17
 STANDARD DEVIATION           0.2      0.007      0.007       57.5        31.





 STATION - WAIKATO AT RANGIRIRI                     STATION NO. 017014
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 37/26/00  LONG. 175/07/52  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-16 TO 1993-12-15

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                       105.8       23.1        0.9        6.0        1.2
 MINIMUM                     49.0       11.0        0.0        2.8        0.6
 DATE OF MINIMUM       1992-03-19 1992-03-19 1991-01-16 1992-03-19 1992-03-19
 10TH PERCENTILE             65.2       13.0        0.0        3.7        0.8
 MEDIAN                      93.5       21.0        0.0        5.3        1.1
 90TH PERCENTILE            179.9       34.9        2.3       10.0        2.0
 MAXIMUM                    194.0       43.0        4.0       11.0        2.5
 DATE OF MAXIMUM       1993-06-16 1993-12-15 1993-03-17 1993-06-16 1993-12-15
 STANDARD DEVIATION          40.5        8.7        1.1        2.3        0.5




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        160.       15.8        0.7        5.9      0.343
 MINIMUM                     127.        9.6        0.2        2.0      0.057
 DATE OF MINIMUM       1992-08-12 1993-07-14 1992-08-12 1992-05-13 1991-02-13
 10TH PERCENTILE             135.       10.9        0.4        2.4      0.105
 MEDIAN                      163.       16.4        0.6        3.8      0.298
 90TH PERCENTILE             178.       20.3        1.0       15.3      0.641
 MAXIMUM                     183.       21.4        1.2       22.0      1.040
 DATE OF MAXIMUM       1993-05-13 1991-02-13 1991-07-17 1992-08-12 1991-08-14
 STANDARD DEVIATION           15.        3.7        0.2        5.4      0.226




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        0.02       0.60        98.        9.7         1.
 MINIMUM                     0.00       0.31        86.        8.6         1.
 DATE OF MINIMUM       1993-03-17 1991-03-20 1991-08-14 1993-12-15 1993-07-14
 10TH PERCENTILE             0.00       0.35        90.        8.8         1.
 MEDIAN                      0.02       0.54        99.        9.7         1.
 90TH PERCENTILE             0.05       0.98       105.       10.3         2.
 MAXIMUM                     0.06       1.27       107.       11.4         2.
 DATE OF MAXIMUM       1993-07-14 1991-08-14 1993-03-17 1991-07-17 1992-03-19
 STANDARD DEVIATION          0.02       0.24         6.        0.6         0.




                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         7.6      0.024      0.063      343.3        77.
 MINIMUM                      6.8      0.010      0.042      193.8         0.
 DATE OF MINIMUM       1992-09-17 1992-02-13 1991-07-17 1993-05-13 1992-05-13
 10TH PERCENTILE              7.1      0.012      0.049      212.1        25.
 MEDIAN                       7.6      0.023      0.060      276.1        94.
 90TH PERCENTILE              8.0      0.035      0.077      526.7       100.
 MAXIMUM                      8.1      0.040      0.120      879.5       100.
 DATE OF MAXIMUM       1993-03-17 1993-11-17 1993-06-16 1991-08-14 1991-02-13
 STANDARD DEVIATION           0.3      0.008      0.016      160.9        31.





 STATION - WAIHOU AT TE AROHA BR.                   STATION NO. 017015
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 37/32/54  LONG. 175/42/25  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-16 TO 1993-12-15

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       35         35         35         36         36
 MEAN                        93.5       21.5        0.9        5.1        1.1
 MINIMUM                     46.0        9.0        0.0        0.0        0.0
 DATE OF MINIMUM       1991-07-17 1993-09-15 1991-01-16 1993-12-15 1993-12-15
 10TH PERCENTILE             48.5       11.0        0.0        2.7        0.6
 MEDIAN                      77.0       19.0        1.0        4.2        1.0
 90TH PERCENTILE            154.5       38.0        2.5        7.8        1.8
 MAXIMUM                    241.0       56.0        3.0       14.0        2.9
 DATE OF MAXIMUM       1992-07-15 1992-08-12 1992-09-17 1992-07-15 1992-08-12
 STANDARD DEVIATION          49.5       11.8        1.1        2.9        0.6




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        102.       15.1        0.8        6.8      1.007
 MINIMUM                      69.       10.0        0.2        1.9      0.720
 DATE OF MINIMUM       1992-07-15 1993-07-14 1991-09-18 1993-11-17 1992-07-15
 10TH PERCENTILE              96.       10.9        0.2        2.5      0.831
 MEDIAN                      102.       14.8        0.7        3.8      0.978
 90TH PERCENTILE             111.       19.8        1.3       15.3      1.161
 MAXIMUM                     113.       21.2        1.7       22.0      1.260
 DATE OF MAXIMUM       1992-11-20 1992-02-13 1992-05-13 1992-10-13 1992-08-12
 STANDARD DEVIATION            8.        3.3        0.4        5.7      0.127




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        0.02       1.19        95.        9.6         1.
 MINIMUM                     0.00       0.96        85.        8.1         0.
 DATE OF MINIMUM       1993-03-17 1993-12-15 1992-08-12 1993-01-13 1993-07-14
 10TH PERCENTILE             0.01       0.99        89.        8.8         0.
 MEDIAN                      0.01       1.11        96.        9.6         1.
 90TH PERCENTILE             0.03       1.41       101.       10.5         1.
 MAXIMUM                     0.09       1.77       103.       10.9         2.
 DATE OF MAXIMUM       1991-09-18 1992-08-12 1992-01-15 1991-07-17 1991-09-18
 STANDARD DEVIATION          0.02       0.20         5.        0.7         0.



                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         7.3      0.055      0.101       36.4        75.
 MINIMUM                      6.9      0.024      0.062       24.5         0.
 DATE OF MINIMUM       1992-08-12 1992-07-15 1991-07-17 1993-02-17 1992-05-13
 10TH PERCENTILE              7.1      0.040      0.071       26.3        20.
 MEDIAN                       7.4      0.057      0.097       30.6        81.
 90TH PERCENTILE              7.5      0.071      0.135       49.9       100.
 MAXIMUM                      7.6      0.083      0.150       92.8       100.
 DATE OF MAXIMUM       1993-12-15 1993-10-13 1992-10-13 1992-08-12 1991-07-17
 STANDARD DEVIATION           0.2      0.013      0.025       15.1        28.





 STATION - OHINEMURI AT KARANGAHAKE                 STATION NO. 017016
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 37/24/59  LONG. 175/42/53  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-16 TO 1993-12-15

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        92.2       22.9        1.0        5.2        1.2
 MINIMUM                     44.0       10.0        0.0        2.5        0.5
 DATE OF MINIMUM       1991-07-17 1993-09-15 1991-01-16 1991-07-17 1993-09-15
 10TH PERCENTILE             54.8       12.6        0.0        3.2        0.7
 MEDIAN                      97.0       24.0        0.0        5.5        1.2
 90TH PERCENTILE            126.9       31.6        3.0        7.2        1.7
 MAXIMUM                    134.0       45.0        5.0        7.6        2.6
 DATE OF MAXIMUM       1992-04-15 1993-12-15 1991-10-16 1993-10-13 1993-12-15
 STANDARD DEVIATION          27.3        8.3        1.4        1.5        0.4




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        108.       15.2        2.7        1.9      0.422
 MINIMUM                      73.        7.8        0.3        0.6      0.008
 DATE OF MINIMUM       1992-07-15 1993-07-14 1991-09-18 1993-11-17 1991-01-16
 10TH PERCENTILE              82.        9.9        1.0        0.7      0.100
 MEDIAN                      103.       14.7        3.0        1.2      0.433
 90TH PERCENTILE             136.       21.2        3.6        2.5      0.754
 MAXIMUM                     171.       24.3        4.2       10.0      0.875
 DATE OF MAXIMUM       1993-12-15 1991-02-13 1993-05-12 1991-09-18 1992-06-17
 STANDARD DEVIATION           24.        4.3        1.0        2.0      0.249




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        0.02       0.58       108.       10.9         1.
 MINIMUM                     0.00       0.16       100.        9.1         0.
 DATE OF MINIMUM       1991-05-15 1991-02-13 1992-07-15 1993-01-13 1992-09-17
 10TH PERCENTILE             0.00       0.27       102.        9.8         0.
 MEDIAN                      0.01       0.58       107.       10.9         1.
 90TH PERCENTILE             0.06       0.92       114.       11.7         1.
 MAXIMUM                     0.08       1.06       126.       13.0         2.
 DATE OF MAXIMUM       1993-05-12 1992-07-15 1991-02-13 1993-07-14 1991-09-18
 STANDARD DEVIATION          0.02       0.25         5.        0.8         0.



                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         8.0      0.009      0.022        7.0        75.
 MINIMUM                      7.1      0.002      0.011        1.7         0.
 DATE OF MINIMUM       1992-07-15 1993-09-15 1991-07-17 1993-02-17 1992-05-13
 10TH PERCENTILE              7.3      0.004      0.014        2.2        20.
 MEDIAN                       8.0      0.008      0.018        4.3        88.
 90TH PERCENTILE              8.6      0.014      0.029       13.1       100.
 MAXIMUM                      8.9      0.026      0.055       43.4       100.
 DATE OF MAXIMUM       1991-02-13 1992-04-15 1991-09-18 1992-07-15 1991-07-17
 STANDARD DEVIATION           0.5      0.005      0.009        7.7        31.





 STATION - TARAWERE AT LAKE OUTLET                  STATION NO. 017017
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 38/10/40  LONG. 176/30/29  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-16 TO 1993-12-15

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        15.4        4.6        0.6        0.8        0.2
 MINIMUM                      5.0        0.0        0.0        0.2        0.0
 DATE OF MINIMUM       1993-05-12 1991-04-16 1991-01-16 1993-03-16 1991-04-16
 10TH PERCENTILE              8.0        0.0        0.0        0.3        0.0
 MEDIAN                      11.5        3.0        0.0        0.6        0.2
 90TH PERCENTILE             25.9        9.6        2.0        1.3        0.4
 MAXIMUM                     58.0       20.0        5.0        3.3        1.2
 DATE OF MAXIMUM       1992-05-13 1992-05-13 1992-08-12 1992-05-13 1992-05-13
 STANDARD DEVIATION          10.3        4.6        1.2        0.6        0.2




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        550.       15.4        5.0        0.5      0.002
 MINIMUM                     539.       10.5        1.6        0.3      0.000
 DATE OF MINIMUM       1991-01-16 1992-08-12 1991-05-15 1991-07-17 1993-05-12
 10TH PERCENTILE             543.       11.0        3.3        0.3      0.001
 MEDIAN                      550.       14.6        5.1        0.5      0.002
 90TH PERCENTILE             556.       20.3        6.0        0.7      0.004
 MAXIMUM                     566.       22.6       10.2        1.4      0.004
 DATE OF MAXIMUM       1991-06-12 1991-02-13 1991-09-11 1993-06-15 1992-06-17
 STANDARD DEVIATION            5.        3.7        1.4        0.2      0.001




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        0.00       0.09       107.       10.4         0.
 MINIMUM                     0.00       0.05        99.        9.2         0.
 DATE OF MINIMUM       1991-05-15 1991-07-17 1991-07-17 1991-02-13 1992-10-14
 10TH PERCENTILE             0.00       0.07       103.        9.4         0.
 MEDIAN                      0.00       0.09       107.       10.6         0.
 90TH PERCENTILE             0.01       0.12       113.       11.2         1.
 MAXIMUM                     0.01       0.13       116.       11.5         1.
 DATE OF MAXIMUM       1991-03-12 1992-07-15 1992-02-12 1992-09-16 1993-03-16
 STANDARD DEVIATION          0.00       0.02         4.        0.6         0.




                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         8.2      0.002      0.007        6.0        52.
 MINIMUM                      7.8      0.001      0.004        4.1         0.
 DATE OF MINIMUM       1991-07-17 1991-03-12 1991-12-12 1993-02-17 1991-10-16
 10TH PERCENTILE              8.0      0.001      0.005        4.6         0.
 MEDIAN                       8.2      0.002      0.007        5.7        50.
 90TH PERCENTILE              8.3      0.003      0.010        7.7       100.
 MAXIMUM                      8.4      0.005      0.012        8.1       100.
 DATE OF MAXIMUM       1993-01-13 1992-09-16 1992-11-12 1991-10-16 1991-07-17
 STANDARD DEVIATION           0.2      0.001      0.002        1.2        36.





 STATION - TARAWERE AT AWAKAPONGA                   STATION NO. 017018
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 37/51/48  LONG. 176/34/02  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-16 TO 1993-12-15

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                       328.0       89.2       10.4       17.7        4.1
 MINIMUM                    181.0       48.0        4.0        9.8        2.3
 DATE OF MINIMUM       1992-10-14 1992-10-14 1991-10-16 1992-10-14 1992-10-14
 10TH PERCENTILE            210.0       54.0        5.0       11.6        2.7
 MEDIAN                     337.0       91.5       11.0       18.0        4.1
 90TH PERCENTILE            417.8      113.9       14.3       22.0        5.2
 MAXIMUM                    476.0      130.0       18.0       26.0        6.2
 DATE OF MAXIMUM       1991-09-11 1991-06-12 1991-02-13 1991-09-11 1991-06-12
 STANDARD DEVIATION          74.4       22.4        3.7        4.0        1.1




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         35         36         36
 MEAN                        428.       16.8        0.5        3.0      0.353
 MINIMUM                     348.       13.7        0.3        2.0      0.230
 DATE OF MINIMUM       1991-01-16 1992-10-14 1991-10-16 1992-02-12 1991-02-13
 10TH PERCENTILE             380.       14.0        0.4        2.0      0.261
 MEDIAN                      433.       16.6        0.5        3.0      0.350
 90TH PERCENTILE             459.       19.9        0.6        4.0      0.430
 MAXIMUM                     483.       21.2        0.7        4.5      0.460
 DATE OF MAXIMUM       1993-12-15 1993-12-15 1993-01-13 1993-06-15 1992-02-12
 STANDARD DEVIATION           30.        2.4        0.1        0.7      0.059




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        0.06       0.64        64.        6.2         2.
 MINIMUM                     0.01       0.45        45.        4.3         1.
 DATE OF MINIMUM       1992-10-14 1992-10-14 1993-05-12 1993-12-15 1993-12-15
 10TH PERCENTILE             0.04       0.54        55.        5.1         2.
 MEDIAN                      0.06       0.64        63.        6.3         2.
 90TH PERCENTILE             0.08       0.72        70.        7.1         3.
 MAXIMUM                     0.08       0.75        76.        7.4         4.
 DATE OF MAXIMUM       1993-10-14 1992-06-17 1991-10-16 1991-10-16 1991-06-12
 STANDARD DEVIATION          0.02       0.07         6.        0.8         1.




                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         7.3      0.072      0.123       24.5        45.
 MINIMUM                      7.2      0.050      0.094       18.7         0.
 DATE OF MINIMUM       1991-01-16 1991-03-12 1992-10-14 1993-05-12 1991-10-16
 10TH PERCENTILE              7.2      0.056      0.098       19.7         8.
 MEDIAN                       7.2      0.071      0.125       23.6        38.
 90TH PERCENTILE              7.3      0.086      0.141       29.7       100.
 MAXIMUM                      7.4      0.120      0.170       34.5       100.
 DATE OF MAXIMUM       1993-08-11 1992-02-12 1992-02-12 1992-12-09 1992-11-12
 STANDARD DEVIATION           0.0      0.015      0.017        3.8        33.





 STATION - RANGITAIKI AT MURUPARA                   STATION NO. 017019
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 38/27/36  LONG. 176/41/58  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-15 TO 1993-12-14

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        30.6        8.2        0.8        1.7        0.4
 MINIMUM                     14.0        2.0        0.0        0.8        0.1
 DATE OF MINIMUM       1991-07-16 1991-10-15 1991-01-15 1991-07-16 1991-10-15
 10TH PERCENTILE             17.0        3.0        0.0        1.0        0.2
 MEDIAN                      27.0        7.0        0.0        1.4        0.3
 90TH PERCENTILE             45.3       13.2        1.3        2.4        0.6
 MAXIMUM                     88.0       32.0       11.0        4.7        1.3
 DATE OF MAXIMUM       1993-06-16 1993-12-14 1993-12-14 1993-06-16 1993-06-16
 STANDARD DEVIATION          14.5        6.2        1.9        0.7        0.2




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         83.       13.0        2.3        1.0      0.602
 MINIMUM                      66.        8.4        0.6        0.4      0.370
 DATE OF MINIMUM       1991-08-13 1991-07-16 1991-08-13 1993-10-13 1993-12-14
 10TH PERCENTILE              78.        9.4        1.1        0.5      0.454
 MEDIAN                       84.       12.6        2.4        0.7      0.610
 90TH PERCENTILE              87.       16.4        3.2        2.0      0.713
 MAXIMUM                      88.       18.9        3.8        2.6      0.890
 DATE OF MAXIMUM       1993-10-13 1993-12-14 1992-03-17 1991-08-13 1991-09-10
 STANDARD DEVIATION            4.        2.7        0.8        0.6      0.114




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        0.01       0.66       105.       10.8         0.
 MINIMUM                     0.00       0.44       100.        9.9         0.
 DATE OF MINIMUM       1993-10-13 1993-11-16 1991-07-16 1991-02-12 1992-10-13
 10TH PERCENTILE             0.00       0.51       101.       10.1         0.
 MEDIAN                      0.00       0.67       104.       10.8         0.
 90TH PERCENTILE             0.01       0.78       107.       11.3         1.
 MAXIMUM                     0.02       0.93       111.       12.0         1.
 DATE OF MAXIMUM       1991-12-11 1991-09-10 1993-12-14 1993-07-14 1993-02-16
 STANDARD DEVIATION          0.00       0.12         3.        0.5         0.



                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         7.8      0.021      0.030       21.2        49.
 MINIMUM                      7.5      0.015      0.022       12.1         0.
 DATE OF MINIMUM       1991-08-13 1993-01-12 1992-02-11 1993-12-14 1991-05-14
 10TH PERCENTILE              7.6      0.017      0.024       16.2         0.
 MEDIAN                       7.7      0.020      0.030       20.6        44.
 90TH PERCENTILE              7.9      0.024      0.036       28.1       100.
 MAXIMUM                      8.1      0.026      0.040       30.7       100.
 DATE OF MAXIMUM       1993-12-14 1993-05-11 1992-08-11 1991-08-13 1992-01-14
 STANDARD DEVIATION           0.1      0.003      0.004        4.5        35.





 STATION - WHIRINAKI AT GALATEA                     STATION NO. 017020
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 38/28/49  LONG. 176/44/53  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-15 TO 1993-12-14

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        58.4       13.5        0.4        3.3        0.7
 MINIMUM                     35.0        7.0        0.0        2.0        0.4
 DATE OF MINIMUM       1991-07-16 1991-07-16 1991-01-15 1991-07-16 1991-07-16
 10TH PERCENTILE             40.0        8.0        0.0        2.3        0.5
 MEDIAN                      51.0       12.0        0.0        2.9        0.7
 90TH PERCENTILE             77.7       20.0        1.3        4.4        1.0
 MAXIMUM                    165.0       35.0        3.0        9.4        1.9
 DATE OF MAXIMUM       1991-02-12 1991-02-12 1993-12-14 1991-02-12 1991-02-12
 STANDARD DEVIATION          23.5        6.2        0.8        1.3        0.3




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         81.       12.2        1.8        3.8      0.106
 MINIMUM                      58.        5.2        0.2        0.6      0.007
 DATE OF MINIMUM       1992-08-11 1991-07-16 1993-06-16 1993-12-14 1993-11-16
 10TH PERCENTILE              64.        7.2        0.2        0.7      0.029
 MEDIAN                       84.       11.3        2.0        1.5      0.089
 90TH PERCENTILE              92.       16.9        2.7       10.0      0.193
 MAXIMUM                      95.       18.5        3.3       27.0      0.285
 DATE OF MAXIMUM       1993-05-11 1993-12-14 1991-07-16 1993-06-16 1991-08-13
 STANDARD DEVIATION           10.        3.6        0.8        6.6      0.071




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        0.01       0.20       104.       11.0         0.
 MINIMUM                     0.00       0.08       100.        9.5         0.
 DATE OF MINIMUM       1991-07-16 1993-11-16 1991-04-15 1991-01-15 1992-12-08
 10TH PERCENTILE             0.00       0.09       101.        9.8         0.
 MEDIAN                      0.01       0.19       104.       11.1         0.
 90TH PERCENTILE             0.01       0.33       108.       12.0         1.
 MAXIMUM                     0.01       0.44       110.       13.0         1.
 DATE OF MAXIMUM       1991-01-15 1991-08-13 1993-09-14 1991-07-16 1991-12-11
 STANDARD DEVIATION          0.00       0.09         3.        0.9         0.




                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         7.9      0.018      0.036       11.4        55.
 MINIMUM                      7.5      0.011      0.018        4.4         0.
 DATE OF MINIMUM       1991-08-13 1993-11-16 1992-05-12 1993-05-11 1991-05-14
 10TH PERCENTILE              7.6      0.014      0.022        5.2         0.
 MEDIAN                       7.9      0.019      0.027        8.3        50.
 90TH PERCENTILE              8.3      0.023      0.080       17.1       100.
 MAXIMUM                      8.5      0.024      0.100       46.2       100.
 DATE OF MAXIMUM       1993-05-11 1992-01-14 1991-02-12 1992-08-11 1992-01-14
 STANDARD DEVIATION           0.3      0.003      0.021        9.3        36.





 STATION - RANGITAIKI AT TE TEKO                    STATION NO. 017021
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 38/02/29  LONG. 176/47/59  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-16 TO 1993-12-15

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       35         35         35         36         36
 MEAN                        60.7       14.4        0.5        3.3        0.8
 MINIMUM                     32.0        3.0        0.0        0.0        0.0
 DATE OF MINIMUM       1991-01-16 1992-03-18 1991-01-16 1993-08-11 1993-08-11
 10TH PERCENTILE             38.5        7.0        0.0        2.1        0.4
 MEDIAN                      55.0       13.0        0.0        3.2        0.7
 90TH PERCENTILE             91.0       24.0        2.0        4.6        1.3
 MAXIMUM                    119.0       28.0        4.0        6.8        1.6
 DATE OF MAXIMUM       1992-12-09 1992-12-09 1993-11-17 1992-12-09 1992-12-09
 STANDARD DEVIATION          22.2        6.5        1.0        1.4        0.4




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         91.       14.7        1.6        2.4      0.280
 MINIMUM                      70.        9.7        0.2        0.6      0.014
 DATE OF MINIMUM       1991-08-14 1991-07-17 1991-08-14 1993-10-14 1993-12-15
 10TH PERCENTILE              83.       10.4        0.6        0.8      0.099
 MEDIAN                       92.       14.7        1.5        1.5      0.275
 90TH PERCENTILE              95.       19.0        2.7        4.0      0.406
 MAXIMUM                      97.       20.4        3.5       23.0      0.440
 DATE OF MAXIMUM       1993-10-14 1992-01-15 1992-05-13 1991-08-14 1991-09-11
 STANDARD DEVIATION            5.        3.2        0.8        3.8      0.110




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        0.01       0.39       107.       10.8         1.
 MINIMUM                     0.00       0.19        96.        9.6         0.
 DATE OF MINIMUM       1993-09-15 1993-11-17 1992-08-12 1992-01-15 1992-06-17
 10TH PERCENTILE             0.00       0.29        98.       10.1         0.
 MEDIAN                      0.01       0.41       105.       10.8         1.
 90TH PERCENTILE             0.02       0.48       118.       11.5         1.
 MAXIMUM                     0.03       0.54       131.       12.8         2.
 DATE OF MAXIMUM       1992-01-15 1993-07-15 1993-12-15 1993-09-15 1992-03-18
 STANDARD DEVIATION          0.01       0.08         8.        0.6         0.




                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         7.1      0.016      0.037       59.2        43.
 MINIMUM                      6.9      0.002      0.021       37.5         0.
 DATE OF MINIMUM       1991-06-12 1991-02-13 1991-01-16 1993-11-17 1991-10-16
 10TH PERCENTILE              6.9      0.005      0.025       40.3         0.
 MEDIAN                       7.1      0.016      0.036       48.7        25.
 90TH PERCENTILE              7.2      0.027      0.047       90.4       100.
 MAXIMUM                      7.6      0.031      0.066      145.9       100.
 DATE OF MAXIMUM       1993-12-15 1993-06-15 1991-08-14 1993-06-15 1991-07-17
 STANDARD DEVIATION           0.1      0.009      0.010       26.8        37.





 STATION - WAIKATO AT REIDS FARM                    STATION NO. 017022
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 38/39/54  LONG. 176/04/55  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-15 TO 1993-12-14

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       35         35         35         36         36
 MEAN                        11.2        3.1        0.2        0.6        0.2
 MINIMUM                      2.0        0.0        0.0        0.0        0.0
 DATE OF MINIMUM       1992-11-10 1991-01-15 1991-01-15 1993-06-16 1991-01-15
 10TH PERCENTILE              4.0        0.0        0.0        0.2        0.0
 MEDIAN                      11.0        2.0        0.0        0.5        0.1
 90TH PERCENTILE             19.0        7.0        1.0        1.0        0.3
 MAXIMUM                     32.0       11.0        3.0        1.8        0.6
 DATE OF MAXIMUM       1992-08-11 1992-08-11 1993-12-14 1992-08-11 1992-08-11
 STANDARD DEVIATION           6.5        2.8        0.6        0.4        0.1




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       35         36         36         36         36
 MEAN                        121.       14.3        7.7        0.3      0.002
 MINIMUM                     118.       10.3        4.9        0.1      0.000
 DATE OF MINIMUM       1991-02-12 1992-09-15 1993-09-14 1991-01-15 1993-08-10
 10TH PERCENTILE             119.       10.6        5.4        0.2      0.000
 MEDIAN                      121.       13.8        8.0        0.3      0.001
 90TH PERCENTILE             122.       18.2        9.6        0.5      0.003
 MAXIMUM                     123.       20.5       10.5        0.8      0.013
 DATE OF MAXIMUM       1993-12-14 1991-02-12 1992-01-14 1992-08-11 1991-09-10
 STANDARD DEVIATION            1.        3.1        1.6        0.1      0.002




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        0.00       0.06       103.        9.8         0.
 MINIMUM                     0.00       0.03        98.        0.7         0.
 DATE OF MINIMUM       1991-05-14 1991-11-12 1993-07-14 1991-08-13 1992-10-13
 10TH PERCENTILE             0.00       0.04        99.        9.1         0.
 MEDIAN                      0.00       0.06       103.       10.1         0.
 90TH PERCENTILE             0.01       0.09       106.       10.8         1.
 MAXIMUM                     0.02       0.11       111.       11.0         1.
 DATE OF MAXIMUM       1991-09-10 1993-12-14 1991-01-15 1993-08-10 1993-10-13
 STANDARD DEVIATION          0.00       0.02         3.        1.7         0.



                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         8.0      0.001      0.005      159.9        48.
 MINIMUM                      7.7      0.000      0.002       50.6         0.
 DATE OF MINIMUM       1991-08-13 1991-02-12 1991-10-15 1992-08-11 1991-05-14
 10TH PERCENTILE              7.7      0.000      0.002       67.3         0.
 MEDIAN                       8.0      0.001      0.004      152.1        50.
 90TH PERCENTILE              8.2      0.001      0.007      232.9        88.
 MAXIMUM                      8.2      0.002      0.009      268.3       100.
 DATE OF MAXIMUM       1993-03-17 1993-06-16 1993-07-14 1992-09-15 1992-07-14
 STANDARD DEVIATION           0.2      0.000      0.002       59.0        37.





 STATION - WHANGANUI AT TE MAIRE                    STATION NO. 017023
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 38/56/40  LONG. 175/11/20  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-23 TO 1993-12-15

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                       122.4       25.9        0.9        6.9        1.4
 MINIMUM                     65.0       12.0        0.0        3.7        0.7
 DATE OF MINIMUM       1993-05-05 1993-05-05 1991-01-23 1993-05-05 1993-05-05
 10TH PERCENTILE             80.0       15.0        0.0        4.5        0.9
 MEDIAN                     103.0       21.0        1.0        5.7        1.2
 90TH PERCENTILE            214.4       49.1        2.0       12.1        2.5
 MAXIMUM                    260.0       56.0        6.0       15.0        3.0
 DATE OF MAXIMUM       1991-10-30 1991-10-30 1991-08-07 1991-10-30 1993-10-20
 STANDARD DEVIATION          52.0       12.1        1.3        2.9        0.6




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         38         39         39
 MEAN                         94.       13.2        1.4       19.1      0.227
 MINIMUM                      63.        5.5        0.0        1.1      0.014
 DATE OF MINIMUM       1991-08-07 1992-07-01 1991-08-07 1992-02-12 1993-02-10
 10TH PERCENTILE              74.        7.4        0.1        1.2      0.061
 MEDIAN                       94.       13.0        1.6        2.0      0.200
 90TH PERCENTILE             116.       18.4        2.7       65.8      0.467
 MAXIMUM                     131.       20.5        3.0      240.0      0.615
 DATE OF MAXIMUM       1991-01-23 1991-01-23 1992-02-12 1991-08-07 1992-08-26
 STANDARD DEVIATION           16.        4.2        1.0       46.3      0.151




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                        0.01       0.45       106.       11.1         1.
 MINIMUM                     0.00       0.15        96.        8.8         0.
 DATE OF MINIMUM       1993-08-25 1991-04-18 1993-01-13 1993-01-13 1992-08-26
 10TH PERCENTILE             0.00       0.18       100.        9.8         0.
 MEDIAN                      0.01       0.34       105.       11.1         1.
 90TH PERCENTILE             0.02       0.77       117.       12.2         2.
 MAXIMUM                     0.02       1.74       122.       13.3         4.
 DATE OF MAXIMUM       1992-07-29 1993-01-13 1991-04-18 1991-06-12 1993-01-13
 STANDARD DEVIATION          0.00       0.34         7.        1.0         1.




                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                         7.9      0.005      0.059       79.0        64.
 MINIMUM                      7.4      0.001      0.007       20.5         0.
 DATE OF MINIMUM       1992-07-29 1993-02-10 1992-02-12 1991-12-17 1991-07-10
 10TH PERCENTILE              7.5      0.003      0.009       24.0         0.
 MEDIAN                       7.8      0.005      0.018       37.5        88.
 90TH PERCENTILE              8.5      0.008      0.140      139.2       100.
 MAXIMUM                      8.8      0.011      0.760      840.0       100.
 DATE OF MAXIMUM       1991-12-17 1992-09-23 1991-08-07 1991-08-07 1991-08-07
 STANDARD DEVIATION           0.4      0.002      0.132      134.0        39.





 STATION - WHANGANUI AT TE MAIRE                    STATION NO. 017024
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 38/59/46  LONG. 175/48/48  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-23 TO 1993-12-15

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                        34.3        8.5        0.4        1.9        0.5
 MINIMUM                      9.0        0.0        0.0        0.5        0.0
 DATE OF MINIMUM       1991-06-12 1991-06-12 1991-01-23 1991-06-12 1991-06-12
 10TH PERCENTILE             14.0        1.9        0.0        0.8        0.1
 MEDIAN                      24.0        6.0        0.0        1.3        0.3
 90TH PERCENTILE             43.0       11.0        1.1        2.4        0.6
 MAXIMUM                    297.0       77.0        6.0       16.0        3.9
 DATE OF MAXIMUM       1991-08-07 1991-08-07 1991-08-07 1991-08-07 1991-08-07
 STANDARD DEVIATION          47.3       12.1        1.1        2.6        0.6




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                        100.        9.7        3.2        7.2      0.026
 MINIMUM                      24.        5.0        0.0        0.4      0.001
 DATE OF MINIMUM       1991-08-07 1992-07-01 1991-08-07 1993-11-17 1993-02-10
 10TH PERCENTILE              79.        6.1        1.4        0.4      0.005
 MEDIAN                      109.        9.8        3.5        0.6      0.017
 90TH PERCENTILE             119.       13.1        4.3        1.8      0.061
 MAXIMUM                     124.       13.8        5.1      180.0      0.125
 DATE OF MAXIMUM       1993-05-05 1993-02-10 1991-05-14 1991-08-07 1992-08-26
 STANDARD DEVIATION           22.        2.6        1.2       30.0      0.027




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                        0.01       0.10       102.       11.2         1.
 MINIMUM                     0.00       0.02        97.       10.0         0.
 DATE OF MINIMUM       1991-07-10 1992-02-12 1992-07-01 1993-01-13 1992-08-26
 10TH PERCENTILE             0.00       0.03       100.       10.3         0.
 MEDIAN                      0.00       0.08       102.       11.1         0.
 90TH PERCENTILE             0.01       0.14       104.       12.1         1.
 MAXIMUM                     0.01       0.55       106.       12.2         2.
 DATE OF MAXIMUM       1991-09-04 1993-10-20 1991-04-18 1991-06-12 1993-10-20
 STANDARD DEVIATION          0.00       0.10         2.        0.6         0.




                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                         7.5      0.012      0.031       36.5        55.
 MINIMUM                      7.2      0.001      0.012       27.2         0.
 DATE OF MINIMUM       1991-08-07 1991-08-07 1992-03-12 1993-07-28 1991-05-14
 10TH PERCENTILE              7.4      0.009      0.014       27.3         0.
 MEDIAN                       7.5      0.013      0.018       27.7        75.
 90TH PERCENTILE              7.6      0.016      0.025       29.9       100.
 MAXIMUM                      7.7      0.019      0.320      260.0       100.
 DATE OF MAXIMUM       1993-12-15 1991-06-12 1991-08-07 1991-08-07 1991-04-18
 STANDARD DEVIATION           0.1      0.003      0.054       38.6        43.





 STATION - WAITARA AT BERTRAND ROAD                 STATION NO. 017025
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 39/02/58  LONG. 174/15/17  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-22 TO 1993-12-14

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       38         38         38         38         38
 MEAN                       170.8       37.5        1.8        9.6        2.0
 MINIMUM                     90.0       18.0        0.0        5.2        1.0
 DATE OF MINIMUM       1992-08-25 1992-06-30 1991-03-19 1992-08-25 1992-06-30
 10TH PERCENTILE             99.0       19.8        0.0        5.6        1.2
 MEDIAN                     148.0       31.0        1.0        8.4        1.8
 90TH PERCENTILE            256.6       54.8        4.2       14.2        3.0
 MAXIMUM                    374.0       99.0       13.0       21.0        4.4
 DATE OF MAXIMUM       1991-02-19 1993-04-06 1993-04-06 1991-02-19 1993-04-06
 STANDARD DEVIATION          70.9       18.0        2.6        3.9        0.8




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       38         38         38         38         38
 MEAN                         95.       13.2        0.8       51.5      0.250
 MINIMUM                      63.        6.4        0.0        1.1      0.020
 DATE OF MINIMUM       1992-07-28 1992-06-30 1991-02-19 1993-03-09 1993-03-09
 10TH PERCENTILE              76.        7.7        0.1        2.4      0.109
 MEDIAN                       92.       12.6        0.5        6.8      0.230
 90TH PERCENTILE             111.       18.1        1.7       40.0      0.445
 MAXIMUM                     125.       20.3        2.5      934.0      0.510
 DATE OF MAXIMUM       1993-03-09 1991-01-22 1993-09-21 1993-04-06 1991-08-06
 STANDARD DEVIATION           14.        4.0        0.7      162.0      0.127




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       38         38         38         38         38
 MEAN                        0.02       0.53       105.       11.0         1.
 MINIMUM                     0.00       0.19        98.        9.1         0.
 DATE OF MINIMUM       1993-07-27 1993-03-09 1991-02-19 1991-02-19 1993-06-01
 10TH PERCENTILE             0.00       0.24       100.        9.9         0.
 MEDIAN                      0.01       0.43       104.       10.9         1.
 90TH PERCENTILE             0.05       1.10       110.       12.2         2.
 MAXIMUM                     0.09       1.54       112.       13.1         5.
 DATE OF MAXIMUM       1991-07-09 1993-04-06 1993-01-12 1992-06-02 1991-07-09
 STANDARD DEVIATION          0.02       0.34         4.        1.0         1.




                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       38         38         38         38         38
 MEAN                         7.7      0.005      0.115       42.6        55.
 MINIMUM                      7.0      0.002      0.009        8.0         0.
 DATE OF MINIMUM       1993-04-06 1992-02-11 1991-05-16 1993-03-09 1991-06-11
 10TH PERCENTILE              7.2      0.002      0.012       12.1         0.
 MEDIAN                       7.8      0.004      0.024       25.1        62.
 90TH PERCENTILE              8.1      0.008      0.199       88.6       100.
 MAXIMUM                      8.4      0.024      1.180      265.0       100.
 DATE OF MAXIMUM       1993-12-14 1991-07-09 1993-04-06 1992-01-14 1991-08-06
 STANDARD DEVIATION           0.3      0.004      0.267       50.4        38.





 STATION - MANGANUI AT SH3                          STATION NO. 017026
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 39/16/57  LONG. 174/15/40  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-22 TO 1993-12-14

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       38         38         38         38         38
 MEAN                        84.3       19.3        0.9        4.7        1.0
 MINIMUM                     29.0        6.0        0.0        1.5        0.3
 DATE OF MINIMUM       1993-03-09 1991-03-19 1991-01-22 1993-03-09 1993-03-09
 10TH PERCENTILE             34.8        7.8        0.0        2.0        0.4
 MEDIAN                      58.5       14.0        1.0        3.2        0.8
 90TH PERCENTILE            157.0       33.4        2.0        8.8        1.8
 MAXIMUM                    369.0       81.0        6.0       20.0        4.1
 DATE OF MAXIMUM       1992-01-14 1992-01-14 1992-01-14 1992-01-14 1992-01-14
 STANDARD DEVIATION          72.7       16.0        1.2        4.0        0.8




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       38         38         38         38         38
 MEAN                         67.        9.8        3.5        1.5      0.088
 MINIMUM                      37.        4.2        0.2        0.4      0.014
 DATE OF MINIMUM       1993-10-19 1992-06-30 1991-08-06 1993-03-09 1993-03-09
 10TH PERCENTILE              51.        5.1        0.8        0.5      0.033
 MEDIAN                       70.        9.4        4.0        0.8      0.083
 90TH PERCENTILE              74.       13.5        5.0        2.0      0.156
 MAXIMUM                      99.       15.3        5.9       20.0      0.225
 DATE OF MAXIMUM       1991-01-22 1991-01-22 1993-03-09 1991-08-06 1992-07-28
 STANDARD DEVIATION           11.        3.0        1.4        3.2      0.048




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       38         38         38         38         38
 MEAN                        0.01       0.19       102.       11.2         0.
 MINIMUM                     0.00       0.06       100.        9.9         0.
 DATE OF MINIMUM       1992-04-07 1991-12-10 1991-08-06 1991-01-22 1992-10-20
 10TH PERCENTILE             0.01       0.07       101.       10.2         0.
 MEDIAN                      0.01       0.14       102.       11.2         0.
 90TH PERCENTILE             0.02       0.35       104.       12.2         1.
 MAXIMUM                     0.06       1.26       105.       12.7         3.
 DATE OF MAXIMUM       1991-10-29 1991-08-06 1992-12-15 1992-06-02 1991-08-06
 STANDARD DEVIATION          0.01       0.20         1.        0.8         1.



                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       38         38         37         38         38
 MEAN                         7.5      0.011      0.028        1.4        54.
 MINIMUM                      7.1      0.005      0.011        0.6         0.
 DATE OF MINIMUM       1993-10-19 1992-07-28 1991-09-03 1992-06-30 1991-06-11
 10TH PERCENTILE              7.2      0.007      0.011        0.6         0.
 MEDIAN                       7.6      0.010      0.016        0.8        56.
 90TH PERCENTILE              7.7      0.015      0.027        2.6       100.
 MAXIMUM                      7.8      0.020      0.385       11.1       100.
 DATE OF MAXIMUM       1993-05-04 1991-08-06 1991-08-06 1993-10-19 1991-08-06
 STANDARD DEVIATION           0.2      0.003      0.061        1.8        41.





 STATION - WAINGONGORO AT SH45                      STATION NO. 017027
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 39/34/42  LONG. 174/12/36  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-22 TO 1993-12-14

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       38         38         38         38         38
 MEAN                       129.8       27.5        1.3        7.3        1.5
 MINIMUM                     71.0       14.0        0.0        4.1        0.7
 DATE OF MINIMUM       1992-08-25 1992-06-30 1991-03-19 1992-06-30 1992-06-30
 10TH PERCENTILE             82.6       16.0        0.0        4.5        0.9
 MEDIAN                     117.0       24.5        1.0        6.5        1.2
 90TH PERCENTILE            182.2       42.0        3.0       10.4        2.3
 MAXIMUM                    270.0       59.0        8.0       15.0        3.4
 DATE OF MAXIMUM       1991-02-19 1992-03-10 1993-04-06 1992-03-10 1992-03-10
 STANDARD DEVIATION          49.8       11.3        1.6        2.8        0.6




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       38         38         38         38         38
 MEAN                        171.       13.5        1.3        2.7      1.598
 MINIMUM                     104.        6.7        0.2        0.9      0.685
 DATE OF MINIMUM       1991-10-29 1992-06-30 1991-10-29 1993-11-16 1991-03-19
 10TH PERCENTILE             140.        7.7        0.6        1.5      0.980
 MEDIAN                      174.       12.4        1.2        2.2      1.561
 90TH PERCENTILE             195.       18.3        2.0        3.3      2.262
 MAXIMUM                     209.       21.0        2.4       15.0      2.560
 DATE OF MAXIMUM       1993-03-09 1991-01-22 1993-11-16 1991-10-29 1992-08-25
 STANDARD DEVIATION           22.        4.0        0.6        2.3      0.507




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       38         38         38         38         38
 MEAN                        0.03       1.88       109.       11.4         1.
 MINIMUM                     0.00       0.95        96.        8.9         0.
 DATE OF MINIMUM       1991-07-09 1991-03-19 1991-02-19 1991-02-19 1992-07-28
 10TH PERCENTILE             0.01       1.26       100.       10.1         0.
 MEDIAN                      0.02       1.88       106.       11.2         1.
 90TH PERCENTILE             0.06       2.46       124.       12.8         2.
 MAXIMUM                     0.14       3.03       143.       15.5         4.
 DATE OF MAXIMUM       1991-01-22 1992-08-25 1992-04-07 1992-04-07 1991-10-29
 STANDARD DEVIATION          0.03       0.49        11.        1.2         1.




                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       38         38         37         38         38
 MEAN                         8.0      0.033      0.077        5.1        59.
 MINIMUM                      7.3      0.012      0.032        1.4         0.
 DATE OF MINIMUM       1991-10-29 1992-07-28 1991-03-19 1993-03-09 1991-12-10
 10TH PERCENTILE              7.6      0.014      0.040        1.8        10.
 MEDIAN                       8.0      0.029      0.064        4.1        62.
 90TH PERCENTILE              8.6      0.050      0.123       10.9       100.
 MAXIMUM                      9.3      0.088      0.190       14.5       100.
 DATE OF MAXIMUM       1992-04-07 1993-05-04 1992-11-17 1992-07-28 1991-08-06
 STANDARD DEVIATION           0.4      0.019      0.038        3.4        36.





 STATION - WHANGANUI AT PAETAWA                     STATION NO. 017028
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 39/46/40  LONG. 175/08/40  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-22 TO 1993-12-14

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       38         38         38         38         38
 MEAN                       183.1       38.7        1.7       10.3        2.1
 MINIMUM                    107.0       21.0        0.0        6.2        1.2
 DATE OF MINIMUM       1992-06-30 1991-03-19 1991-03-19 1992-06-30 1991-03-19
 10TH PERCENTILE            119.4       23.6        0.0        6.8        1.3
 MEDIAN                     166.0       37.0        1.5        9.4        2.0
 90TH PERCENTILE            242.4       50.2        4.0       14.0        2.8
 MAXIMUM                    473.0      103.0        7.0       26.0        5.3
 DATE OF MAXIMUM       1993-04-06 1993-04-06 1993-04-06 1993-04-06 1993-04-06
 STANDARD DEVIATION          76.7       17.4        1.9        4.2        0.9




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       38         38         38         38         38
 MEAN                        104.       13.5        0.7       22.1      0.177
 MINIMUM                      60.        5.8        0.0        0.3      0.009
 DATE OF MINIMUM       1992-07-28 1991-07-09 1991-02-19 1991-07-09 1993-02-09
 10TH PERCENTILE              84.        7.9        0.1        2.2      0.026
 MEDIAN                      104.       12.5        0.6        4.9      0.125
 90TH PERCENTILE             123.       19.7        1.4       44.0      0.410
 MAXIMUM                     136.       21.4        1.9      200.0      0.530
 DATE OF MAXIMUM       1993-05-04 1992-01-14 1991-03-19 1991-02-19 1992-08-25
 STANDARD DEVIATION           16.        4.7        0.5       42.5      0.146




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       38         38         38         38         38
 MEAN                        0.01       0.39       101.       10.6         1.
 MINIMUM                     0.00       0.13        92.        8.5         0.
 DATE OF MINIMUM       1992-04-07 1991-03-19 1991-02-19 1991-02-19 1993-06-01
 10TH PERCENTILE             0.00       0.19        96.        9.1         0.
 MEDIAN                      0.01       0.31       100.       10.7         0.
 90TH PERCENTILE             0.02       0.64       105.       11.9         1.
 MAXIMUM                     0.02       1.42       108.       13.0         2.
 DATE OF MAXIMUM       1992-07-28 1991-02-19 1993-09-21 1991-07-09 1993-04-06
 STANDARD DEVIATION          0.00       0.25         3.        1.2         1.



                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       38         38         38         38         38
 MEAN                         7.7      0.005      0.049      162.4        66.
 MINIMUM                      7.3      0.002      0.007       45.0         0.
 DATE OF MINIMUM       1991-02-19 1992-01-14 1991-03-19 1991-01-22 1991-12-10
 10TH PERCENTILE              7.4      0.003      0.011       48.3         0.
 MEDIAN                       7.7      0.005      0.019       88.4        75.
 90TH PERCENTILE              7.8      0.006      0.085      316.0       100.
 MAXIMUM                      8.1      0.009      0.370      940.0       100.
 DATE OF MAXIMUM       1991-03-19 1991-01-22 1991-02-19 1991-02-19 1991-06-11
 STANDARD DEVIATION           0.2      0.002      0.072      173.6        35.





 STATION - RANGITIKEI AT MANGAWEKA                  STATION NO. 017029
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 39/48/39  LONG. 175/48/27  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-23 TO 1993-12-15

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       38         38         38         38         38
 MEAN                        66.8       14.8        0.9        3.7        0.8
 MINIMUM                     26.0        4.0        0.0        1.5        0.2
 DATE OF MINIMUM       1991-03-20 1991-01-23 1991-01-23 1991-03-20 1991-01-23
 10TH PERCENTILE             39.2        7.8        0.0        2.1        0.3
 MEDIAN                      59.5       14.0        0.0        3.1        0.6
 90TH PERCENTILE            109.0       24.2        2.2        6.3        1.3
 MAXIMUM                    154.0       42.0       13.0        8.5        2.1
 DATE OF MAXIMUM       1992-07-29 1992-07-29 1993-08-25 1992-07-29 1992-07-29
 STANDARD DEVIATION          27.7        7.3        2.2        1.6        0.4




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       38         38         38         38         38
 MEAN                        126.       10.2        1.6       16.8      0.108
 MINIMUM                      86.        3.6        0.0        0.4      0.001
 DATE OF MINIMUM       1991-08-07 1992-07-01 1991-08-07 1991-03-20 1991-03-20
 10TH PERCENTILE             107.        4.8        0.1        0.6      0.018
 MEDIAN                      124.       10.0        1.3        2.7      0.076
 90TH PERCENTILE             142.       15.6        3.8       37.8      0.234
 MAXIMUM                     156.       17.5        4.7      200.0      0.390
 DATE OF MAXIMUM       1993-02-10 1991-01-23 1991-01-23 1991-08-07 1992-08-26
 STANDARD DEVIATION           15.        4.0        1.4       39.5      0.088




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       38         38         38         38         38
 MEAN                        0.01       0.26       102.       11.2         0.
 MINIMUM                     0.00       0.04        99.        9.5         0.
 DATE OF MINIMUM       1991-10-30 1991-03-20 1991-02-20 1991-01-23 1992-07-29
 10TH PERCENTILE             0.00       0.11       100.        9.6         0.
 MEDIAN                      0.01       0.19       102.       11.4         0.
 90TH PERCENTILE             0.01       0.51       106.       12.7         1.
 MAXIMUM                     0.02       1.00       107.       13.0         3.
 DATE OF MAXIMUM       1992-07-29 1991-08-07 1993-02-10 1993-06-30 1991-08-07
 STANDARD DEVIATION          0.00       0.19         2.        1.1         1.



                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       38         38         38         38         38
 MEAN                         8.0      0.004      0.048       64.7        60.
 MINIMUM                      7.1      0.000      0.004       12.0         0.
 DATE OF MINIMUM       1992-01-15 1993-02-10 1991-03-20 1991-01-23 1991-07-10
 10TH PERCENTILE              7.9      0.001      0.005       22.0         0.
 MEDIAN                       8.0      0.004      0.009       40.8        69.
 90TH PERCENTILE              8.2      0.007      0.073      125.2       100.
 MAXIMUM                      8.3      0.009      0.715      435.0       100.
 DATE OF MAXIMUM       1991-08-07 1991-04-17 1991-08-07 1991-08-07 1992-06-03
 STANDARD DEVIATION           0.2      0.002      0.122       73.4        37.





 STATION - RANGITIKEI AT KAKARIKI                   STATION NO. 017030
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 40/07/36  LONG. 175/26/39  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-23 TO 1993-12-15

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       38         38         38         38         38
 MEAN                        84.4       18.5        0.7        4.8        1.0
 MINIMUM                     27.0        4.0        0.0        1.6        0.2
 DATE OF MINIMUM       1991-03-20 1991-01-23 1991-01-23 1991-03-20 1991-01-23
 10TH PERCENTILE             42.8        8.8        0.0        2.4        0.5
 MEDIAN                      71.0       17.5        0.0        4.0        0.8
 90TH PERCENTILE            139.8       29.6        2.2        7.7        1.6
 MAXIMUM                    197.0       54.0        5.0       11.0        2.6
 DATE OF MAXIMUM       1992-07-29 1992-07-29 1993-08-25 1992-07-29 1992-07-29
 STANDARD DEVIATION          39.1        9.8        1.3        2.2        0.5




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       38         38         38         38         38
 MEAN                        155.       12.4        1.0       22.3      0.110
 MINIMUM                     102.        4.8        0.0        0.5      0.000
 DATE OF MINIMUM       1991-02-20 1992-07-01 1992-07-29 1991-03-20 1993-08-25
 10TH PERCENTILE             130.        6.6        0.1        1.1      0.002
 MEDIAN                      154.       12.1        0.8        3.3      0.073
 90TH PERCENTILE             174.       18.8        2.3       50.4      0.279
 MAXIMUM                     197.       21.7        4.3      300.0      0.470
 DATE OF MAXIMUM       1993-02-10 1991-01-23 1991-03-20 1992-07-29 1992-08-26
 STANDARD DEVIATION           18.        4.6        1.0       51.5      0.124




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       38         38         38         38         38
 MEAN                        0.01       0.29       103.       11.0         0.
 MINIMUM                     0.00       0.05        99.        9.1         0.
 DATE OF MINIMUM       1991-05-16 1991-03-20 1991-05-16 1991-01-23 1992-08-26
 10TH PERCENTILE             0.00       0.07        99.        9.5         0.
 MEDIAN                      0.00       0.21       102.       11.1         0.
 90TH PERCENTILE             0.01       0.50       106.       12.6         1.
 MAXIMUM                     0.02       1.08       113.       12.8         2.
 DATE OF MAXIMUM       1992-07-29 1992-07-29 1993-11-17 1993-08-25 1991-10-30
 STANDARD DEVIATION          0.00       0.22         3.        1.1         0.




                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       38         38         38         38         38
 MEAN                         8.0      0.004      0.052       70.3        57.
 MINIMUM                      7.8      0.000      0.004       12.0         0.
 DATE OF MINIMUM       1991-04-17 1993-01-13 1991-03-20 1991-01-23 1991-07-10
 10TH PERCENTILE              7.8      0.001      0.006       22.4         0.
 MEDIAN                       8.0      0.003      0.018       45.0        50.
 90TH PERCENTILE              8.2      0.008      0.102      148.5       100.
 MAXIMUM                      8.3      0.010      0.645      310.0       100.
 DATE OF MAXIMUM       1993-11-17 1993-06-30 1992-07-29 1992-07-29 1992-06-03
 STANDARD DEVIATION           0.1      0.003      0.109       59.2        35.





 STATION - MANAWATU AT WEBER ROAD                   STATION NO. 017031
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 40/14/28  LONG. 176/06/56  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-23 TO 1993-12-15

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       38         38         38         38         38
 MEAN                       132.3       26.7        1.2        7.5        1.4
 MINIMUM                     67.0       10.0        0.0        3.9        0.6
 DATE OF MINIMUM       1991-01-23 1991-01-23 1991-01-23 1991-01-23 1991-01-23
 10TH PERCENTILE             84.0       17.0        0.0        4.8        0.9
 MEDIAN                     128.0       25.0        1.0        7.3        1.3
 90TH PERCENTILE            199.6       38.8        2.2       11.0        2.1
 MAXIMUM                    259.0       55.0       13.0       15.0        3.0
 DATE OF MAXIMUM       1991-10-30 1991-10-30 1993-08-25 1991-10-30 1991-10-30
 STANDARD DEVIATION          45.0        9.8        2.3        2.6        0.5




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       38         38         38         38         38
 MEAN                        258.       12.7        1.0       13.7      0.413
 MINIMUM                     201.        4.6        0.1        0.9      0.075
 DATE OF MINIMUM       1991-10-02 1992-07-01 1993-06-30 1992-05-06 1993-12-15
 10TH PERCENTILE             220.        6.9        0.1        1.6      0.101
 MEDIAN                      256.       12.0        1.2        3.7      0.347
 90TH PERCENTILE             295.       18.6        1.9       30.6      0.736
 MAXIMUM                     324.       20.9        2.3      120.0      1.060
 DATE OF MAXIMUM       1991-01-23 1991-01-23 1992-05-06 1993-06-30 1992-07-29
 STANDARD DEVIATION           29.        4.5        0.7       24.9      0.276




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       38         38         38         38         38
 MEAN                        0.01       0.67       106.       11.1         1.
 MINIMUM                     0.00       0.30        96.        9.1         0.
 DATE OF MINIMUM       1991-10-30 1993-11-17 1991-10-30 1991-01-23 1992-08-26
 10TH PERCENTILE             0.01       0.32        99.        9.4         0.
 MEDIAN                      0.01       0.62       104.       11.0         1.
 90TH PERCENTILE             0.02       1.08       114.       12.6         1.
 MAXIMUM                     0.04       1.45       127.       14.2         3.
 DATE OF MAXIMUM       1992-07-29 1992-07-29 1991-09-04 1993-08-25 1991-10-30
 STANDARD DEVIATION          0.01       0.31         7.        1.3         1.




                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       38         38         37         38         38
 MEAN                         8.2      0.006      0.044        9.4        50.
 MINIMUM                      7.8      0.000      0.011        2.2         0.
 DATE OF MINIMUM       1992-07-29 1993-02-10 1992-04-08 1991-01-23 1991-06-12
 10TH PERCENTILE              7.9      0.001      0.014        2.9        10.
 MEDIAN                       8.2      0.006      0.028        7.5        50.
 90TH PERCENTILE              8.4      0.011      0.086       18.1       100.
 MAXIMUM                      8.6      0.019      0.255       35.0       100.
 DATE OF MAXIMUM       1993-08-25 1991-04-17 1993-06-30 1992-07-29 1991-10-30
 STANDARD DEVIATION           0.2      0.004      0.048        6.8        32.





 STATION - MANAWATU AT TEACHERS COLLEGE             STATION NO. 017032
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 40/22/30  LONG. 175/37/39  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-23 TO 1993-12-15

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       38         38         38         38         38
 MEAN                       133.5       28.3        1.1        7.6        1.5
 MINIMUM                     72.0       11.0        0.0        4.1        0.6
 DATE OF MINIMUM       1991-01-23 1991-01-23 1991-01-23 1991-01-23 1991-01-23
 10TH PERCENTILE             83.0       16.8        0.0        4.8        0.9
 MEDIAN                     126.0       24.5        0.0        7.1        1.3
 90TH PERCENTILE            206.6       41.0        3.0       12.0        2.4
 MAXIMUM                    275.0       73.0        6.0       15.0        3.6
 DATE OF MAXIMUM       1991-08-07 1991-08-07 1993-11-17 1991-08-07 1991-08-07
 STANDARD DEVIATION          47.4       12.5        1.8        2.6        0.6




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       38         38         38         38         38
 MEAN                        178.       13.8        0.7       21.6      0.517
 MINIMUM                      66.        6.8        0.0        1.5      0.018
 DATE OF MINIMUM       1991-08-07 1992-07-01 1991-08-07 1993-11-17 1993-11-17
 10TH PERCENTILE             140.        8.3        0.1        1.9      0.203
 MEDIAN                      185.       12.9        0.6        5.4      0.438
 90TH PERCENTILE             206.       19.2        1.5       49.2      0.988
 MAXIMUM                     218.       23.0        2.1      250.0      1.190
 DATE OF MAXIMUM       1993-03-10 1991-01-23 1992-05-06 1991-08-07 1991-05-15
 STANDARD DEVIATION           28.        4.3        0.5       43.8      0.295




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       38         38         38         38         38
 MEAN                        0.01       0.75       105.       10.9         1.
 MINIMUM                     0.00       0.22        94.        8.9         0.
 DATE OF MINIMUM       1992-01-15 1993-11-17 1991-02-20 1991-02-20 1992-08-26
 10TH PERCENTILE             0.00       0.38        97.        9.5         0.
 MEDIAN                      0.01       0.67       103.       10.8         1.
 90TH PERCENTILE             0.03       1.22       114.       12.4         1.
 MAXIMUM                     0.04       1.53       143.       13.3         3.
 DATE OF MAXIMUM       1991-02-20 1991-09-04 1991-03-20 1991-03-20 1991-08-07
 STANDARD DEVIATION          0.01       0.34        10.        1.1         1.



                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       38         38         37         38         38
 MEAN                         7.9      0.009      0.065       91.1        66.
 MINIMUM                      7.4      0.002      0.014       26.8         0.
 DATE OF MINIMUM       1991-08-07 1992-01-15 1992-05-06 1993-11-17 1993-02-10
 10TH PERCENTILE              7.5      0.003      0.016       34.4        25.
 MEDIAN                       7.8      0.009      0.034       65.3        69.
 90TH PERCENTILE              8.1      0.015      0.084      155.6       100.
 MAXIMUM                      9.0      0.018      0.760      585.0       100.
 DATE OF MAXIMUM       1991-03-20 1991-02-20 1991-08-07 1991-08-07 1992-10-21
 STANDARD DEVIATION           0.3      0.004      0.124       93.8        30.





 STATION - MANAWATU AT OPIKI BRIDGE                 STATION NO. 017033
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 40/22/29  LONG. 175/38/30  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-23 TO 1993-12-15

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       38         38         38         38         38
 MEAN                       138.6       29.6        1.3        7.8        1.6
 MINIMUM                     78.0       12.0        0.0        4.5        0.7
 DATE OF MINIMUM       1991-01-23 1991-01-23 1991-01-23 1991-01-23 1991-01-23
 10TH PERCENTILE             90.0       18.8        0.0        5.2        1.1
 MEDIAN                     122.5       24.5        1.0        6.8        1.3
 90TH PERCENTILE            218.0       47.0        3.2       12.2        2.6
 MAXIMUM                    263.0       66.0        9.0       15.0        3.3
 DATE OF MAXIMUM       1991-08-07 1991-08-07 1993-11-17 1991-08-07 1991-08-07
 STANDARD DEVIATION          49.2       12.5        1.9        2.7        0.6




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       38         38         38         38         38
 MEAN                        183.       14.1        0.7       25.5      0.522
 MINIMUM                      66.        7.2        0.0        1.6      0.054
 DATE OF MINIMUM       1991-08-07 1992-07-01 1991-08-07 1992-05-06 1993-11-17
 10TH PERCENTILE             142.        8.5        0.1        2.5      0.218
 MEDIAN                      186.       13.1        0.7        4.8      0.433
 90TH PERCENTILE             216.       19.5        1.3       50.8      0.972
 MAXIMUM                     295.       23.0        1.5      260.0      1.170
 DATE OF MAXIMUM       1993-12-15 1991-01-23 1992-05-06 1991-08-07 1991-05-15
 STANDARD DEVIATION           35.        4.3        0.5       46.4      0.281




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       38         38         38         38         38
 MEAN                        0.04       0.89       102.       10.5         2.
 MINIMUM                     0.00       0.37        92.        8.6         0.
 DATE OF MINIMUM       1991-07-10 1993-11-17 1991-02-20 1991-02-20 1992-12-16
 10TH PERCENTILE             0.01       0.50        94.        8.7         1.
 MEDIAN                      0.04       0.74        99.       10.5         2.
 90TH PERCENTILE             0.09       1.32       112.       11.9         3.
 MAXIMUM                     0.11       1.77       139.       13.2         4.
 DATE OF MAXIMUM       1993-06-02 1991-09-04 1993-11-17 1993-11-17 1991-10-02
 STANDARD DEVIATION          0.03       0.35        10.        1.1         1.




                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       38         38         38         38         38
 MEAN                         7.7      0.042      0.132       95.7        68.
 MINIMUM                      7.3      0.008      0.039       28.1         0.
 DATE OF MINIMUM       1991-08-07 1992-07-29 1992-05-06 1993-11-17 1993-02-10
 10TH PERCENTILE              7.5      0.010      0.053       36.2        22.
 MEDIAN                       7.7      0.041      0.105       68.6        75.
 90TH PERCENTILE              8.0      0.073      0.220      163.4       100.
 MAXIMUM                      8.7      0.115      0.730      614.0       100.
 DATE OF MAXIMUM       1993-11-17 1991-09-04 1991-08-07 1991-08-07 1992-06-03
 STANDARD DEVIATION           0.3      0.025      0.111       98.4        31.





 STATION - WAIPALO AT KANAKANAIA                    STATION NO. 017034
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 38/28/12  LONG. 177/52/53  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-23 TO 1993-12-21

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                        86.6       18.2        1.5        4.8        0.9
 MINIMUM                     43.0        4.0        0.0        2.5        0.2
 DATE OF MINIMUM       1991-01-23 1991-01-23 1991-01-23 1991-01-23 1991-01-23
 10TH PERCENTILE             55.9        6.0        0.0        3.0        0.3
 MEDIAN                      79.0       17.0        0.0        4.5        0.8
 90TH PERCENTILE            131.0       28.0        3.0        7.4        1.3
 MAXIMUM                    206.0       61.0       18.0       11.0        3.0
 DATE OF MAXIMUM       1992-05-06 1992-05-06 1993-11-24 1992-05-06 1992-05-06
 STANDARD DEVIATION          33.1       10.2        3.1        1.8        0.5




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                        463.       15.8        0.2      291.3      0.098
 MINIMUM                     284.        5.8        0.0        2.0      0.001
 DATE OF MINIMUM       1991-10-30 1992-07-01 1991-02-20 1991-01-23 1992-03-11
 10TH PERCENTILE             359.        8.5        0.0        8.1      0.004
 MEDIAN                      470.       15.3        0.1      100.0      0.070
 90TH PERCENTILE             525.       23.5        0.3      432.0      0.220
 MAXIMUM                     561.       28.5        1.3     5400.0      0.305
 DATE OF MAXIMUM       1992-04-08 1992-01-15 1991-01-23 1991-08-07 1991-05-15
 STANDARD DEVIATION           60.        6.1        0.3      856.4      0.086




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         38         38         39
 MEAN                        0.01       0.33       101.       10.0         1.
 MINIMUM                     0.00       0.11        91.        8.1         0.
 DATE OF MINIMUM       1991-11-27 1991-12-18 1991-08-07 1992-01-15 1992-08-26
 10TH PERCENTILE             0.00       0.17        98.        8.5         0.
 MEDIAN                      0.01       0.28       100.        9.8         1.
 90TH PERCENTILE             0.02       0.55       105.       11.7         1.
 MAXIMUM                     0.05       1.01       111.       12.5         4.
 DATE OF MAXIMUM       1991-09-04 1991-08-07 1992-03-11 1992-07-01 1991-08-07
 STANDARD DEVIATION          0.01       0.19         4.        1.2         1.




                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                         8.2      0.002      0.319       24.0        57.
 MINIMUM                      8.0      0.000      0.007        2.3         0.
 DATE OF MINIMUM       1991-08-07 1992-04-08 1991-01-23 1991-01-23 1991-05-15
 10TH PERCENTILE              8.1      0.000      0.017        3.3         0.
 MEDIAN                       8.2      0.002      0.150       16.1        62.
 90TH PERCENTILE              8.3      0.003      0.649       37.4       100.
 MAXIMUM                      8.4      0.012      3.355      124.6       100.
 DATE OF MAXIMUM       1992-03-11 1993-07-01 1991-08-07 1993-07-01 1991-08-07
 STANDARD DEVIATION           0.1      0.002      0.551       27.1        40.





 STATION - WAIKOHU AT NO. 1 BRIDGE                  STATION NO. 017035
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 38/25/00  LONG. 177/33/41  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-23 TO 1993-12-21

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       38         38         38         39         39
 MEAN                       103.6       23.1        1.3        5.7        1.2
 MINIMUM                     67.0       13.0        0.0        0.0        0.0
 DATE OF MINIMUM       1993-06-02 1993-06-02 1991-01-23 1993-10-20 1993-10-20
 10TH PERCENTILE             69.8       14.8        0.0        4.0        0.8
 MEDIAN                      96.0       20.5        0.0        5.4        1.1
 90TH PERCENTILE            133.4       35.2        4.2        7.4        1.7
 MAXIMUM                    218.0       45.0       13.0       13.0        2.6
 DATE OF MAXIMUM       1991-08-07 1991-08-07 1992-06-03 1991-08-07 1991-08-07
 STANDARD DEVIATION          35.0        8.1        2.6        2.2        0.4




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                        149.       12.1        1.6        3.3      0.166
 MINIMUM                      83.        4.5        0.2        0.8      0.009
 DATE OF MINIMUM       1991-10-30 1992-07-01 1991-08-07 1992-03-11 1993-02-10
 10TH PERCENTILE             113.        6.8        0.5        1.0      0.015
 MEDIAN                      140.       11.8        1.5        2.0      0.135
 90TH PERCENTILE             204.       17.6        2.8        4.4      0.354
 MAXIMUM                     220.       21.4        3.8       34.0      0.505
 DATE OF MAXIMUM       1991-01-23 1992-01-15 1991-12-18 1991-08-07 1992-07-29
 STANDARD DEVIATION           34.        4.1        0.9        5.4      0.140




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                        0.01       0.35       104.       10.7         1.
 MINIMUM                     0.00       0.12        97.        8.8         0.
 DATE OF MINIMUM       1991-11-27 1991-12-18 1991-09-04 1992-01-15 1992-07-29
 10TH PERCENTILE             0.00       0.19       101.        9.4         0.
 MEDIAN                      0.01       0.31       104.       10.4         1.
 90TH PERCENTILE             0.01       0.54       107.       11.8         1.
 MAXIMUM                     0.03       0.96       110.       12.9         2.
 DATE OF MAXIMUM       1992-06-03 1991-07-10 1991-01-23 1992-07-01 1993-10-20
 STANDARD DEVIATION          0.00       0.17         3.        0.9         0.




                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         38         38         39         39
 MEAN                         8.3      0.005      0.021        0.6        53.
 MINIMUM                      7.5      0.001      0.007        0.1         0.
 DATE OF MINIMUM       1991-08-07 1991-12-18 1991-12-18 1992-04-08 1991-05-15
 10TH PERCENTILE              8.0      0.002      0.009        0.1         0.
 MEDIAN                       8.3      0.004      0.017        0.4        50.
 90TH PERCENTILE              8.6      0.009      0.024        1.0       100.
 MAXIMUM                      8.7      0.011      0.120        3.3       100.
 DATE OF MAXIMUM       1993-03-10 1991-02-20 1991-08-07 1991-10-30 1991-08-07
 STANDARD DEVIATION           0.3      0.003      0.019        0.7        43.





 STATION - MOTU AT WAITANGIRUA                      STATION NO. 017036
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 03/81/06  LONG. 177/37/16  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-23 TO 1993-12-21

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                       105.5       21.2        0.8        6.0        1.1
 MINIMUM                     70.0       11.0        0.0        4.0        0.6
 DATE OF MINIMUM       1992-07-29 1992-04-08 1991-01-23 1992-07-29 1992-04-08
 10TH PERCENTILE             74.6       13.9        0.0        4.1        0.8
 MEDIAN                      92.0       18.0        0.0        5.2        1.0
 90TH PERCENTILE            151.0       31.1        3.0        8.3        1.6
 MAXIMUM                    236.0       54.0        4.0       13.0        2.7
 DATE OF MAXIMUM       1993-10-20 1993-10-20 1993-10-20 1993-10-20 1993-10-20
 STANDARD DEVIATION          36.7        9.1        1.4        2.1        0.4




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                         80.       11.7        1.8       12.8      0.138
 MINIMUM                      42.        4.6        0.0        0.8      0.002
 DATE OF MINIMUM       1991-08-07 1992-07-01 1991-08-07 1991-01-23 1993-09-29
 10TH PERCENTILE              63.        5.8        0.1        1.0      0.005
 MEDIAN                       83.       11.5        2.1        1.7      0.105
 90TH PERCENTILE              93.       18.1        3.0       16.0      0.336
 MAXIMUM                     103.       18.9        3.8      190.0      0.435
 DATE OF MAXIMUM       1993-12-21 1993-02-10 1991-12-18 1991-08-07 1992-07-29
 STANDARD DEVIATION           13.        4.1        1.1       38.3      0.134




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                        0.01       0.31       102.       10.6         1.
 MINIMUM                     0.00       0.09        95.        8.3         0.
 DATE OF MINIMUM       1991-11-27 1991-12-18 1993-02-10 1993-02-10 1992-08-26
 10TH PERCENTILE             0.00       0.11        98.        8.8         0.
 MEDIAN                      0.01       0.22       101.       10.6         0.
 90TH PERCENTILE             0.02       0.51       105.       12.2         1.
 MAXIMUM                     0.04       1.47       118.       13.1         5.
 DATE OF MAXIMUM       1993-10-20 1991-08-07 1993-09-29 1993-08-24 1993-10-20
 STANDARD DEVIATION          0.01       0.26         4.        1.2         1.




                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                         7.7      0.008      0.044       13.4        64.
 MINIMUM                      6.9      0.003      0.009        1.0         0.
 DATE OF MINIMUM       1991-08-07 1993-08-24 1992-04-08 1991-01-23 1992-02-12
 10TH PERCENTILE              7.3      0.004      0.010        1.5         0.
 MEDIAN                       7.7      0.007      0.020        5.2        88.
 90TH PERCENTILE              7.8      0.011      0.048       20.4       100.
 MAXIMUM                      8.6      0.023      0.495      163.6       100.
 DATE OF MAXIMUM       1993-09-29 1993-10-20 1991-08-07 1991-08-07 1991-06-12
 STANDARD DEVIATION           0.3      0.004      0.091       27.9        40.





 STATION - MOTU AT HOUPOTO                          STATION NO. 017037
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 37/51/43  LONG. 177/38/14  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-09 TO 1993-12-09

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       37         37         37         39         39
 MEAN                        57.3       14.9        1.3        3.0        0.7
 MINIMUM                     20.0        3.0        0.0        0.0        0.0
 DATE OF MINIMUM       1992-04-22 1993-10-07 1991-01-09 1991-07-24 1991-07-24
 10TH PERCENTILE             25.0        4.0        0.0        1.0        0.2
 MEDIAN                      43.0       13.0        1.0        2.3        0.5
 90TH PERCENTILE            104.8       27.8        3.3        5.4        1.3
 MAXIMUM                    156.0       42.0        5.0        8.5        1.9
 DATE OF MAXIMUM       1992-12-02 1993-05-19 1993-11-03 1992-12-02 1993-05-19
 STANDARD DEVIATION          36.1       10.1        1.5        2.1        0.5




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                         93.       12.8        1.1       63.0      0.075
 MINIMUM                      64.        7.2        0.0        0.5      0.001
 DATE OF MINIMUM       1991-07-24 1993-07-14 1991-07-24 1991-01-09 1993-03-24
 10TH PERCENTILE              72.        8.9        0.0        0.9      0.003
 MEDIAN                       92.       12.5        0.4       15.0      0.071
 90TH PERCENTILE             115.       18.0        3.2      291.0      0.160
 MAXIMUM                     127.       19.3        4.1      380.0      0.195
 DATE OF MAXIMUM       1991-01-09 1991-01-09 1993-04-21 1991-07-24 1992-08-12
 STANDARD DEVIATION           16.        3.4        1.3      108.6      0.057




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       38         39         39         39         38
 MEAN                        0.01       0.16       101.       10.7         0.
 MINIMUM                     0.00       0.03        96.        8.8         0.
 DATE OF MINIMUM       1991-11-13 1991-04-03 1992-01-29 1991-01-09 1991-10-16
 10TH PERCENTILE             0.00       0.05        98.        9.2         0.
 MEDIAN                      0.01       0.14       100.       10.9         0.
 90TH PERCENTILE             0.01       0.31       103.       11.5         0.
 MAXIMUM                     0.05       0.52       106.       12.3         1.
 DATE OF MAXIMUM       1991-02-06 1991-07-24 1992-03-25 1993-07-14 1991-07-24
 STANDARD DEVIATION          0.01       0.11         2.        0.9         0.




                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         38         39         39
 MEAN                         7.8      0.010      0.129      100.6        58.
 MINIMUM                      7.6      0.004      0.009       13.1         0.
 DATE OF MINIMUM       1991-06-26 1993-03-24 1991-12-11 1991-01-09 1991-02-06
 10TH PERCENTILE              7.6      0.006      0.011       19.3         0.
 MEDIAN                       7.7      0.010      0.030       53.5        75.
 90TH PERCENTILE              7.9      0.014      0.450      304.7       100.
 MAXIMUM                      8.1      0.017      1.010      559.0       100.
 DATE OF MAXIMUM       1993-05-19 1991-02-06 1991-07-24 1991-07-24 1991-09-17
 STANDARD DEVIATION           0.1      0.003      0.229      125.0        39.





 STATION - MAKARORO AT BURNT BRIDGE                 STATION NO. 017038
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 39/49/14  LONG. 176/18/14  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-07 TO 1993-12-14

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        26.4        8.1        0.7        1.4        0.4
 MINIMUM                     13.0        1.0        0.0        0.3        0.0
 DATE OF MINIMUM       1991-02-04 1991-02-04 1991-01-07 1993-11-10 1993-11-10
 10TH PERCENTILE             14.0        3.0        0.0        0.7        0.1
 MEDIAN                      20.5        6.0        0.0        1.2        0.3
 90TH PERCENTILE             42.5       14.3        2.3        2.3        0.7
 MAXIMUM                     92.0       49.0        4.0        5.0        2.6
 DATE OF MAXIMUM       1992-08-05 1992-08-05 1993-11-10 1992-08-05 1992-08-05
 STANDARD DEVIATION          16.4        8.4        1.2        0.9        0.4




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         97.       11.1        2.3        7.7      0.065
 MINIMUM                      81.        4.6        0.1        0.4      0.001
 DATE OF MINIMUM       1993-08-11 1992-06-04 1992-08-05 1991-02-04 1993-02-04
 10TH PERCENTILE              84.        6.6        0.2        0.5      0.008
 MEDIAN                       96.       10.4        1.8        2.0      0.055
 90TH PERCENTILE             110.       15.9        5.3       21.2      0.109
 MAXIMUM                     119.       18.6        6.8       47.0      0.210
 DATE OF MAXIMUM       1991-01-07 1991-02-04 1993-12-14 1991-11-13 1991-05-08
 STANDARD DEVIATION           10.        3.7        2.0       11.6      0.048




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       35         36         33         33         36
 MEAN                        0.01       0.11       101.       10.8         0.
 MINIMUM                     0.00       0.03        96.        8.9         0.
 DATE OF MINIMUM       1991-11-13 1992-04-08 1991-03-06 1991-02-04 1992-12-09
 10TH PERCENTILE             0.00       0.04        99.        9.4         0.
 MEDIAN                      0.01       0.10       100.       10.9         0.
 90TH PERCENTILE             0.01       0.17       103.       11.7         1.
 MAXIMUM                     0.02       0.28       106.       12.6         1.
 DATE OF MAXIMUM       1992-08-05 1991-05-08 1993-11-10 1991-07-10 1992-02-04
 STANDARD DEVIATION          0.00       0.06         2.        0.9         0.




                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         7.9      0.005      0.018        6.0        53.
 MINIMUM                      7.6      0.001      0.002        1.2         0.
 DATE OF MINIMUM       1991-11-13 1993-02-04 1992-04-08 1991-01-07 1991-02-04
 10TH PERCENTILE              7.7      0.002      0.005        1.7         0.
 MEDIAN                       7.8      0.005      0.009        3.7        50.
 90TH PERCENTILE              8.1      0.007      0.039       11.0       100.
 MAXIMUM                      8.3      0.009      0.075       40.0       100.
 DATE OF MAXIMUM       1991-01-07 1992-08-05 1991-11-13 1992-07-08 1991-05-08
 STANDARD DEVIATION           0.2      0.002      0.019        7.3        44.





 STATION - TUKITUKI AT RED BRIDGE                   STATION NO. 017039
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 39/43/00  LONG. 176/55/36  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-07 TO 1993-12-14

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        76.6       17.4        1.2        4.3        0.9
 MINIMUM                     14.0        3.0        0.0        0.8        0.2
 DATE OF MINIMUM       1991-04-03 1991-04-03 1991-01-07 1991-04-03 1991-04-03
 10TH PERCENTILE             35.0        6.2        0.0        1.9        0.3
 MEDIAN                      58.5       14.0        1.0        3.3        0.7
 90TH PERCENTILE            117.7       29.3        3.0        6.6        1.4
 MAXIMUM                    238.0       63.0        5.0       13.0        3.1
 DATE OF MAXIMUM       1993-08-11 1993-08-11 1993-08-11 1993-08-11 1993-08-11
 STANDARD DEVIATION          47.4       11.8        1.5        2.6        0.6




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        201.       16.0        1.8        5.0      0.511
 MINIMUM                     172.        8.5        0.2        0.5      0.003
 DATE OF MINIMUM       1991-10-09 1991-07-10 1993-08-11 1993-11-10 1991-04-03
 10TH PERCENTILE             176.        9.4        0.3        0.6      0.020
 MEDIAN                      200.       16.1        2.0        1.5      0.545
 90TH PERCENTILE             221.       22.4        3.2       10.6      0.924
 MAXIMUM                     259.       25.0        4.7       57.0      1.565
 DATE OF MAXIMUM       1991-07-10 1991-01-07 1991-04-03 1993-08-11 1991-05-06
 STANDARD DEVIATION           20.        4.6        1.2        9.8      0.403




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       35         36         34         34         36
 MEAN                        0.01       0.72       123.       12.2         1.
 MINIMUM                     0.00       0.14        95.        9.2         0.
 DATE OF MINIMUM       1991-11-13 1991-04-03 1991-05-06 1992-11-04 1993-06-03
 10TH PERCENTILE             0.00       0.20        98.        9.8         0.
 MEDIAN                      0.01       0.74       115.       11.5         1.
 90TH PERCENTILE             0.02       1.21       154.       15.2         2.
 MAXIMUM                     0.03       1.93       170.       16.0         2.
 DATE OF MAXIMUM       1991-03-06 1991-05-06 1991-12-11 1991-07-10 1992-01-08
 STANDARD DEVIATION          0.01       0.44        23.        2.1         1.



                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         8.7      0.009      0.029       33.8        55.
 MINIMUM                      7.9      0.000      0.004        5.6         0.
 DATE OF MINIMUM       1992-08-05 1991-04-03 1991-12-11 1992-02-04 1991-02-04
 10TH PERCENTILE              8.0      0.001      0.006        9.2         0.
 MEDIAN                       8.7      0.003      0.018       23.0        50.
 90TH PERCENTILE              9.4      0.028      0.058       72.2       100.
 MAXIMUM                      9.7      0.035      0.170      112.5       100.
 DATE OF MAXIMUM       1992-01-08 1993-08-11 1993-08-11 1991-05-06 1993-01-14
 STANDARD DEVIATION           0.6      0.011      0.032       28.1        36.





 STATION - NGARURORO AT CHESTERHOPE                 STATION NO. 017040
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 39/35/53  LONG. 176/52/20  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-07 TO 1993-12-16

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        33.5        9.2        0.9        1.8        0.4
 MINIMUM                     12.0        0.0        0.0        0.7        0.0
 DATE OF MINIMUM       1993-07-06 1992-03-02 1991-01-07 1993-07-06 1992-03-02
 10TH PERCENTILE             17.2        3.0        0.0        0.9        0.2
 MEDIAN                      28.5        8.0        0.0        1.6        0.4
 90TH PERCENTILE             53.8       16.6        2.0        2.9        0.8
 MAXIMUM                     73.0       20.0        5.0        4.0        1.0
 DATE OF MAXIMUM       1992-12-07 1992-12-07 1993-10-05 1992-12-07 1992-12-07
 STANDARD DEVIATION          15.1        5.2        1.3        0.8        0.2




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        158.       15.3        1.6        7.3      0.091
 MINIMUM                     121.        7.2        0.1        0.4      0.002
 DATE OF MINIMUM       1992-08-03 1993-09-07 1991-05-08 1992-03-02 1991-01-07
 10TH PERCENTILE             123.        9.1        0.2        0.6      0.004
 MEDIAN                      158.       14.4        0.9        2.8      0.080
 90TH PERCENTILE             189.       22.8        4.0       24.5      0.177
 MAXIMUM                     226.       23.2        5.3       46.0      0.410
 DATE OF MAXIMUM       1992-05-04 1992-01-06 1992-02-03 1992-12-07 1991-05-08
 STANDARD DEVIATION           26.        4.8        1.5       10.6      0.088




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         34         34         36
 MEAN                        0.01       0.17       106.       10.7         0.
 MINIMUM                     0.00       0.03        97.        9.3         0.
 DATE OF MINIMUM       1993-07-06 1991-12-09 1991-05-08 1992-02-03 1993-06-01
 10TH PERCENTILE             0.00       0.05        99.        9.5         0.
 MEDIAN                      0.01       0.14       105.       10.6         0.
 90TH PERCENTILE             0.01       0.30       112.       11.9         1.
 MAXIMUM                     0.02       0.55       122.       12.3         1.
 DATE OF MAXIMUM       1991-05-08 1991-05-08 1993-04-06 1993-08-03 1993-02-02
 STANDARD DEVIATION          0.00       0.11         6.        0.9         0.



                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         8.2      0.006      0.025       29.6        44.
 MINIMUM                      7.7      0.002      0.004        4.4         0.
 DATE OF MINIMUM       1991-09-02 1991-09-02 1992-04-06 1991-02-12 1991-02-12
 10TH PERCENTILE              7.8      0.003      0.008        8.4         0.
 MEDIAN                       8.1      0.005      0.019       21.7        44.
 90TH PERCENTILE              8.6      0.011      0.057       53.4        88.
 MAXIMUM                      8.9      0.016      0.105      117.0       100.
 DATE OF MAXIMUM       1993-04-06 1991-05-08 1992-12-07 1992-12-07 1993-07-06
 STANDARD DEVIATION           0.3      0.004      0.021       25.4        37.





 STATION - NGARURORO AT KURIPAPANGO                 STATION NO. 017041
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 39/22/54  LONG. 176/19/51  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-09 TO 1993-12-07

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        21.8        5.8        0.4        1.2        0.3
 MINIMUM                      8.0        0.0        0.0        0.4        0.0
 DATE OF MINIMUM       1993-10-06 1991-02-11 1991-01-09 1993-11-04 1991-02-11
 10TH PERCENTILE             12.0        2.0        0.0        0.6        0.1
 MEDIAN                      19.0        5.0        0.0        1.0        0.2
 90TH PERCENTILE             33.9        9.3        1.3        2.0        0.4
 MAXIMUM                     59.0       20.0        4.0        3.4        1.1
 DATE OF MAXIMUM       1992-07-07 1993-05-05 1992-08-04 1992-07-07 1993-05-05
 STANDARD DEVIATION          11.4        4.0        0.9        0.7        0.2




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         74.       10.2        6.0        0.7      0.011
 MINIMUM                      49.        3.3        1.4        0.2      0.002
 DATE OF MINIMUM       1992-07-07 1992-06-03 1991-05-07 1991-07-09 1993-02-03
 10TH PERCENTILE              59.        5.0        2.5        0.2      0.003
 MEDIAN                       76.        9.8        5.1        0.5      0.008
 90TH PERCENTILE              85.       14.8        9.7        1.4      0.026
 MAXIMUM                      96.       20.9       12.1        2.1      0.034
 DATE OF MAXIMUM       1991-01-09 1991-02-11 1992-05-06 1991-09-03 1991-05-07
 STANDARD DEVIATION           11.        4.0        2.7        0.5      0.009




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       35         36         33         33         36
 MEAN                        0.01       0.05       102.       10.9         0.
 MINIMUM                     0.00       0.01       100.        8.6         0.
 DATE OF MINIMUM       1991-06-10 1992-02-11 1992-11-03 1991-02-11 1992-11-03
 10TH PERCENTILE             0.00       0.03       101.        9.4         0.
 MEDIAN                      0.01       0.04       102.       10.9         0.
 90TH PERCENTILE             0.01       0.10       103.       12.2         0.
 MAXIMUM                     0.03       0.12       103.       13.1         1.
 DATE OF MAXIMUM       1992-09-08 1993-11-04 1992-05-06 1992-06-03 1992-04-07
 STANDARD DEVIATION          0.01       0.03         1.        1.0         0.




                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         7.8      0.002      0.004       12.1        55.
 MINIMUM                      7.5      0.000      0.000        3.9         0.
 DATE OF MINIMUM       1991-09-03 1992-02-11 1992-02-11 1991-01-09 1991-03-05
 10TH PERCENTILE              7.6      0.001      0.001        5.1         0.
 MEDIAN                       7.8      0.002      0.004        9.5        62.
 90TH PERCENTILE              7.9      0.002      0.007       22.2       100.
 MAXIMUM                      8.1      0.004      0.011       34.8       100.
 DATE OF MAXIMUM       1993-11-04 1991-05-07 1993-02-03 1991-05-07 1992-03-03
 STANDARD DEVIATION           0.1      0.001      0.003        7.3        38.





 STATION - MOHAKA AT RAUPUNGA                       STATION NO. 017042
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 39/04/30  LONG. 177/07/45  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-08 TO 1993-12-02

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        58.5       14.9        0.9        3.3        0.8
 MINIMUM                     30.0        5.0        0.0        1.7        0.3
 DATE OF MINIMUM       1991-09-09 1991-09-09 1991-01-08 1991-09-09 1991-09-09
 10TH PERCENTILE             32.6        8.0        0.0        1.8        0.4
 MEDIAN                      49.0       13.5        0.0        2.8        0.6
 90TH PERCENTILE             99.9       23.2        2.3        5.8        1.3
 MAXIMUM                    142.0       33.0        7.0        8.2        1.9
 DATE OF MAXIMUM       1993-08-10 1993-08-10 1993-12-02 1993-08-10 1993-08-10
 STANDARD DEVIATION          28.6        6.9        1.6        1.6        0.4




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        114.       13.1        0.6       37.4      0.097
 MINIMUM                      77.        6.7        0.0        1.6      0.002
 DATE OF MINIMUM       1992-08-10 1993-06-24 1991-08-12 1991-01-08 1991-01-08
 10TH PERCENTILE              93.        7.5        0.1        1.9      0.006
 MEDIAN                      118.       12.5        0.4       11.4      0.086
 90TH PERCENTILE             131.       18.7        1.3       49.2      0.171
 MAXIMUM                     140.       22.2        1.9      640.0      0.225
 DATE OF MAXIMUM       1993-05-11 1991-02-13 1993-02-09 1991-08-12 1991-08-12
 STANDARD DEVIATION           15.        4.3        0.5      106.3      0.064




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         33         33         36
 MEAN                        0.01       0.20       103.       10.9         1.
 MINIMUM                     0.00       0.06        98.        9.2         0.
 DATE OF MINIMUM       1991-09-09 1991-12-16 1991-04-09 1991-02-13 1992-10-13
 10TH PERCENTILE             0.00       0.09       100.        9.4         0.
 MEDIAN                      0.01       0.18       102.       10.8         1.
 90TH PERCENTILE             0.01       0.31       107.       12.3         1.
 MAXIMUM                     0.01       0.52       109.       12.9         2.
 DATE OF MAXIMUM       1992-01-13 1993-08-10 1993-04-22 1991-07-15 1992-02-10
 STANDARD DEVIATION          0.00       0.10         3.        1.0         0.



                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         8.3      0.010      0.060       71.8        59.
 MINIMUM                      8.0      0.002      0.007       25.3         0.
 DATE OF MINIMUM       1993-07-13 1991-04-09 1991-12-16 1993-02-09 1991-05-13
 10TH PERCENTILE              8.1      0.005      0.010       27.5         0.
 MEDIAN                       8.2      0.009      0.032       59.4        62.
 90TH PERCENTILE              8.4      0.014      0.144      112.3       100.
 MAXIMUM                      8.6      0.018      0.375      338.2       100.
 DATE OF MAXIMUM       1991-08-12 1991-05-13 1991-08-12 1991-08-12 1991-07-15
 STANDARD DEVIATION           0.2      0.004      0.077       56.4        36.





 STATION - MOHAKA AT GLENFALLS                      STATION NO. 017043
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 39/10/47  LONG. 176/38/04  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-08 TO 1993-12-08

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        40.5       10.9        0.9        2.2        0.5
 MINIMUM                     23.0        2.0        0.0        1.3        0.1
 DATE OF MINIMUM       1992-03-02 1992-03-02 1991-01-08 1992-03-02 1992-03-02
 10TH PERCENTILE             24.6        4.6        0.0        1.4        0.3
 MEDIAN                      34.0        9.0        0.0        1.8        0.4
 90TH PERCENTILE             61.3       19.6        2.0        3.2        0.9
 MAXIMUM                    140.0       34.0        5.0        7.8        1.8
 DATE OF MAXIMUM       1992-07-06 1992-07-06 1993-10-05 1992-07-06 1992-07-06
 STANDARD DEVIATION          21.1        6.8        1.2        1.1        0.3




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         83.       10.4        2.9        1.5      0.139
 MINIMUM                      53.        3.4        0.3        0.3      0.070
 DATE OF MINIMUM       1992-07-06 1991-07-08 1992-07-06 1991-07-08 1993-12-08
 10TH PERCENTILE              68.        5.0        0.7        0.3      0.089
 MEDIAN                       85.        9.8        2.7        0.8      0.130
 90TH PERCENTILE              95.       15.6        4.5        2.1      0.201
 MAXIMUM                     105.       19.4        6.2       14.0      0.220
 DATE OF MAXIMUM       1993-05-04 1991-02-12 1991-06-04 1993-04-06 1991-09-02
 STANDARD DEVIATION           11.        4.1        1.4        2.4      0.044




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         33         33         36
 MEAN                        0.01       0.21       103.       11.2         0.
 MINIMUM                     0.00       0.12       100.        9.1         0.
 DATE OF MINIMUM       1991-06-04 1992-02-03 1993-07-06 1991-02-12 1992-11-02
 10TH PERCENTILE             0.00       0.14       100.        9.8         0.
 MEDIAN                      0.01       0.22       102.       11.3         0.
 90TH PERCENTILE             0.01       0.26       105.       12.4         1.
 MAXIMUM                     0.01       0.38       110.       13.3         2.
 DATE OF MAXIMUM       1992-12-07 1992-07-06 1993-04-06 1991-07-08 1992-10-05
 STANDARD DEVIATION          0.00       0.05         2.        1.0         0.



                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         8.0      0.006      0.013       29.7        50.
 MINIMUM                      7.7      0.001      0.004        5.6         0.
 DATE OF MINIMUM       1992-07-06 1991-04-08 1991-03-11 1992-02-03 1991-06-04
 10TH PERCENTILE              7.7      0.003      0.006       15.8         0.
 MEDIAN                       8.0      0.005      0.011       19.0        69.
 90TH PERCENTILE              8.2      0.009      0.018       55.2       100.
 MAXIMUM                      8.5      0.012      0.054       95.0       100.
 DATE OF MAXIMUM       1993-12-08 1992-12-07 1992-07-06 1991-11-18 1991-05-06
 STANDARD DEVIATION           0.2      0.002      0.010       20.2        42.





 STATION - HUTT AT BOULCOTT                         STATION NO. 017044
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 41/11/59  LONG. 174/55/20  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-08 TO 1993-12-07

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                       154.3       33.4        1.6        8.6        1.8
 MINIMUM                     57.0       11.0        0.0        3.3        0.6
 DATE OF MINIMUM       1991-06-04 1991-06-04 1991-02-04 1991-06-04 1991-06-04
 10TH PERCENTILE             66.2       15.0        0.0        3.7        0.7
 MEDIAN                     108.0       25.0        1.0        6.2        1.3
 90TH PERCENTILE            279.7       60.1        4.0       15.6        3.2
 MAXIMUM                    544.0      114.0        8.0       30.0        5.8
 DATE OF MAXIMUM       1991-04-09 1991-04-09 1991-04-09 1991-04-09 1991-04-09
 STANDARD DEVIATION         119.7       25.4        2.2        6.6        1.3




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         91.       10.9        2.4        3.8      0.259
 MINIMUM                      65.        6.2        0.1        0.4      0.060
 DATE OF MINIMUM       1991-04-09 1991-06-04 1991-04-09 1993-04-06 1991-03-05
 10TH PERCENTILE              71.        7.6        0.3        0.5      0.110
 MEDIAN                       94.       10.2        2.1        1.3      0.252
 90TH PERCENTILE             104.       14.3        4.3        6.3      0.372
 MAXIMUM                     117.       16.5        6.6       60.0      0.525
 DATE OF MAXIMUM       1993-07-06 1992-02-04 1993-09-07 1991-04-09 1991-07-09
 STANDARD DEVIATION           11.        2.6        1.6       10.1      0.100




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        0.01       0.37        98.       10.9         0.
 MINIMUM                     0.00       0.16        92.        9.6         0.
 DATE OF MINIMUM       1991-06-04 1991-03-05 1991-05-07 1992-01-07 1992-11-03
 10TH PERCENTILE             0.00       0.23        94.       10.1         0.
 MEDIAN                      0.01       0.37        97.       11.0         0.
 90TH PERCENTILE             0.02       0.45       104.       11.6         1.
 MAXIMUM                     0.03       0.62       107.       11.9         2.
 DATE OF MAXIMUM       1993-06-08 1991-04-09 1992-02-04 1991-11-05 1991-04-09
 STANDARD DEVIATION          0.01       0.10         4.        0.6         0.




                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         7.2      0.009      0.019       27.3        72.
 MINIMUM                      6.8      0.001      0.004        5.2         0.
 DATE OF MINIMUM       1991-04-09 1991-03-05 1991-03-05 1993-03-09 1991-02-04
 10TH PERCENTILE              7.0      0.002      0.005        7.3         8.
 MEDIAN                       7.2      0.008      0.015       15.1        88.
 90TH PERCENTILE              7.4      0.014      0.030       45.9       100.
 MAXIMUM                      7.6      0.021      0.115      175.8       100.
 DATE OF MAXIMUM       1992-02-04 1991-07-09 1991-04-09 1993-12-07 1991-07-09
 STANDARD DEVIATION           0.2      0.005      0.019       37.3        35.





 STATION - HUTT AT KAITOKE                          STATION NO. 017045
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 41/03/09  LONG. 175/11/28  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-08 TO 1993-12-07

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                       149.8       30.8        1.0        8.5        1.7
 MINIMUM                     44.0        8.0        0.0        2.5        0.5
 DATE OF MINIMUM       1991-06-04 1991-06-04 1991-02-04 1991-06-04 1991-06-04
 10TH PERCENTILE             51.8       10.0        0.0        2.8        0.5
 MEDIAN                      92.5       19.0        0.5        5.2        1.0
 90TH PERCENTILE            341.5       67.6        2.3       19.6        3.8
 MAXIMUM                    535.0      111.0        9.0       30.0        5.5
 DATE OF MAXIMUM       1991-09-03 1991-09-03 1991-09-03 1991-09-03 1991-09-03
 STANDARD DEVIATION         133.0       27.0        1.7        7.5        1.5




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       35         36         36         36         36
 MEAN                         60.        8.6        4.3        1.0      0.033
 MINIMUM                      41.        5.1        0.3        0.2      0.010
 DATE OF MINIMUM       1991-11-05 1991-06-04 1991-11-05 1991-06-04 1991-01-08
 10TH PERCENTILE              46.        6.1        0.7        0.3      0.015
 MEDIAN                       60.        8.3        4.6        0.6      0.032
 90TH PERCENTILE              69.       11.1        6.3        2.1      0.050
 MAXIMUM                      74.       12.9        9.2        6.0      0.091
 DATE OF MAXIMUM       1992-05-05 1992-02-04 1993-10-05 1991-09-03 1991-04-09
 STANDARD DEVIATION            8.        2.0        2.2        1.3      0.016




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         35         35         36
 MEAN                        0.01       0.10       100.       11.4         0.
 MINIMUM                     0.00       0.04        90.        9.8         0.
 DATE OF MINIMUM       1991-06-04 1992-02-04 1993-04-06 1993-04-06 1992-11-03
 10TH PERCENTILE             0.00       0.06        96.       10.4         0.
 MEDIAN                      0.01       0.09       100.       11.6         0.
 90TH PERCENTILE             0.01       0.16       103.       12.0         1.
 MAXIMUM                     0.02       0.20       105.       12.9         1.
 DATE OF MAXIMUM       1992-01-07 1993-08-03 1993-05-04 1991-11-05 1992-04-07
 STANDARD DEVIATION          0.00       0.04         3.        0.7         0.



                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         7.4      0.003      0.007        7.8        74.
 MINIMUM                      7.0      0.001      0.002        1.9         0.
 DATE OF MINIMUM       1991-04-09 1991-03-05 1991-03-05 1991-06-04 1991-03-05
 10TH PERCENTILE              7.1      0.002      0.002        2.5        15.
 MEDIAN                       7.5      0.003      0.005        4.5       100.
 90TH PERCENTILE              7.6      0.004      0.013       19.9       100.
 MAXIMUM                      7.7      0.006      0.031       43.2       100.
 DATE OF MAXIMUM       1993-10-05 1991-09-03 1991-09-03 1991-11-05 1991-09-03
 STANDARD DEVIATION           0.2      0.001      0.006        8.6        35.





 STATION - RAUMAHANGA AT WAIAENGA                   STATION NO. 017046
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 41/11/50  LONG. 175/26/20  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-08 TO 1993-12-07

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                       119.9       25.3        1.6        6.7        1.3
 MINIMUM                     44.0        6.0        0.0        2.4        0.3
 DATE OF MINIMUM       1992-02-04 1992-03-03 1991-02-04 1992-02-04 1992-03-03
 10TH PERCENTILE             52.6        9.6        0.0        3.0        0.5
 MEDIAN                      95.5       19.0        1.0        5.3        1.0
 90TH PERCENTILE            226.4       49.3        5.3       13.0        2.4
 MAXIMUM                    317.0       72.0        8.0       17.0        3.6
 DATE OF MAXIMUM       1991-04-09 1991-04-09 1993-12-07 1993-09-07 1991-04-09
 STANDARD DEVIATION          72.0       16.5        2.2        4.0        0.8




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        137.       12.3        0.9       15.2      0.447
 MINIMUM                      64.        6.9        0.1        1.1      0.089
 DATE OF MINIMUM       1991-01-08 1992-08-04 1991-11-05 1992-02-04 1991-01-08
 10TH PERCENTILE              93.        7.9        0.1        1.5      0.165
 MEDIAN                      130.       12.1        0.6        5.2      0.390
 90TH PERCENTILE             178.       16.2        2.0       36.0      0.760
 MAXIMUM                     186.       20.0        3.2       86.0      1.165
 DATE OF MAXIMUM       1992-11-03 1992-02-04 1992-02-04 1993-09-07 1991-09-03
 STANDARD DEVIATION           33.        3.5        0.8       20.8      0.266




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         35         35         36
 MEAN                        0.01       0.64       100.       10.7         1.
 MINIMUM                     0.00       0.20        89.        8.9         0.
 DATE OF MINIMUM       1991-06-04 1991-01-08 1991-04-09 1991-02-04 1992-07-07
 10TH PERCENTILE             0.01       0.30        94.        9.3         0.
 MEDIAN                      0.01       0.58        99.       10.8         1.
 90TH PERCENTILE             0.02       1.02       106.       11.8         1.
 MAXIMUM                     0.04       1.48       115.       13.2         2.
 DATE OF MAXIMUM       1993-09-07 1991-09-03 1993-08-03 1991-06-04 1993-09-07
 STANDARD DEVIATION          0.01       0.30         5.        1.0         0.




                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         7.7      0.014      0.045       83.5        61.
 MINIMUM                      7.4      0.005      0.016       17.4         0.
 DATE OF MINIMUM       1992-08-04 1993-01-05 1992-02-04 1992-02-04 1992-04-07
 10TH PERCENTILE              7.5      0.008      0.019       22.3         8.
 MEDIAN                       7.6      0.014      0.030       65.1        81.
 90TH PERCENTILE              7.8      0.020      0.078      160.3       100.
 MAXIMUM                      8.3      0.033      0.230      233.1       100.
 DATE OF MAXIMUM       1993-08-03 1993-09-07 1993-09-07 1993-12-07 1991-08-06
 STANDARD DEVIATION           0.2      0.005      0.041       56.5        38.





 STATION - RAUMAHANGA AT WARDELLS                   STATION NO. 017047
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 41/00/18  LONG. 175/40/18  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-08 TO 1993-12-07

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                       122.7       26.9        1.9        6.8        1.4
 MINIMUM                     49.0        6.0        0.0        2.7        0.3
 DATE OF MINIMUM       1992-02-04 1992-03-03 1991-02-04 1992-02-04 1992-03-03
 10TH PERCENTILE             60.8       11.6        0.0        3.5        0.6
 MEDIAN                     103.5       23.0        1.0        5.9        1.2
 90TH PERCENTILE            190.7       43.0        5.0       11.0        2.2
 MAXIMUM                    310.0       72.0        8.0       17.0        3.7
 DATE OF MAXIMUM       1993-12-07 1993-12-07 1993-09-07 1993-12-07 1993-12-07
 STANDARD DEVIATION          61.9       15.7        2.5        3.4        0.8




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        132.       12.3        1.1        8.9      0.501
 MINIMUM                      72.        7.4        0.1        0.7      0.105
 DATE OF MINIMUM       1991-04-09 1992-08-04 1991-11-05 1992-02-04 1993-10-05
 10TH PERCENTILE              81.        7.7        0.1        0.9      0.173
 MEDIAN                      132.       11.9        0.6        4.4      0.445
 90TH PERCENTILE             171.       17.0        2.4       21.5      0.878
 MAXIMUM                     184.       20.2        6.7       52.0      1.210
 DATE OF MAXIMUM       1992-05-05 1993-02-09 1993-11-09 1991-09-03 1992-11-03
 STANDARD DEVIATION           32.        3.7        1.3       11.2      0.272




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         34         34         36
 MEAN                        0.03       0.69        99.       10.5         1.
 MINIMUM                     0.01       0.28        91.        8.5         0.
 DATE OF MINIMUM       1991-10-08 1991-04-09 1991-03-05 1991-03-05 1992-07-07
 10TH PERCENTILE             0.01       0.41        93.        9.0         0.
 MEDIAN                      0.02       0.60        98.       10.6         0.
 90TH PERCENTILE             0.03       1.06       105.       11.6         1.
 MAXIMUM                     0.18       1.50       110.       13.0         2.
 DATE OF MAXIMUM       1991-01-08 1991-05-07 1991-06-04 1991-06-04 1991-05-07
 STANDARD DEVIATION          0.03       0.29         5.        1.0         0.




                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         35         36
 MEAN                         7.6      0.018      0.040       18.1        56.
 MINIMUM                      7.3      0.003      0.009        5.2         0.
 DATE OF MINIMUM       1992-08-04 1991-10-08 1992-05-05 1993-10-05 1991-01-08
 10TH PERCENTILE              7.4      0.005      0.011        6.0         0.
 MEDIAN                       7.5      0.009      0.025       12.9        69.
 90TH PERCENTILE              7.7      0.031      0.079       35.1       100.
 MAXIMUM                      7.9      0.120      0.150       50.2       100.
 DATE OF MAXIMUM       1991-06-04 1991-05-07 1991-05-07 1993-08-03 1991-07-09
 STANDARD DEVIATION           0.1      0.028      0.035       11.7        39.





 STATION - RAUMAHANGA AT MT. BRUCE-SH2              STATION NO. 017048
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 40/45/50  LONG. 175/36/18  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-08 TO 1993-12-07

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        90.8       20.2        1.1        5.1        1.1
 MINIMUM                     35.0        3.0        0.0        1.9        0.2
 DATE OF MINIMUM       1991-06-04 1992-03-03 1991-02-04 1993-03-09 1992-03-03
 10TH PERCENTILE             36.6        7.6        0.0        2.1        0.4
 MEDIAN                      76.0       17.0        1.0        4.2        0.8
 90TH PERCENTILE            166.4       38.3        3.3        9.1        1.9
 MAXIMUM                    213.0       46.0        5.0       12.0        2.6
 DATE OF MAXIMUM       1991-11-05 1991-11-05 1993-10-05 1991-11-05 1991-11-05
 STANDARD DEVIATION          51.8       12.0        1.5        2.9        0.6




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         49.       10.1        3.2        1.8      0.032
 MINIMUM                      30.        5.9        0.2        0.3      0.013
 DATE OF MINIMUM       1993-08-03 1991-06-04 1992-07-07 1992-05-05 1991-01-08
 10TH PERCENTILE              34.        6.4        0.4        0.4      0.014
 MEDIAN                       51.        9.4        3.3        0.7      0.029
 90TH PERCENTILE              61.       14.9        5.4        4.6      0.051
 MAXIMUM                      63.       16.9        7.6       14.0      0.067
 DATE OF MAXIMUM       1993-03-09 1993-02-09 1991-06-04 1992-07-07 1991-05-07
 STANDARD DEVIATION           10.        3.1        2.0        2.7      0.014




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         34         34         36
 MEAN                        0.01       0.09       101.       11.0         0.
 MINIMUM                     0.00       0.05        94.        9.1         0.
 DATE OF MINIMUM       1991-06-04 1992-12-08 1991-03-05 1993-02-09 1992-10-06
 10TH PERCENTILE             0.00       0.06        98.        9.6         0.
 MEDIAN                      0.01       0.09       101.       11.2         0.
 90TH PERCENTILE             0.01       0.12       103.       12.1         1.
 MAXIMUM                     0.01       0.14       113.       12.2         1.
 DATE OF MAXIMUM       1992-12-08 1993-07-06 1992-12-08 1993-05-04 1992-04-07
 STANDARD DEVIATION          0.00       0.02         3.        0.9         0.



                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         35         36
 MEAN                         7.5      0.002      0.006        7.4        66.
 MINIMUM                      7.0      0.001      0.002        1.0         0.
 DATE OF MINIMUM       1992-07-07 1991-04-09 1991-12-03 1991-06-04 1991-03-05
 10TH PERCENTILE              7.2      0.001      0.002        1.9         0.
 MEDIAN                       7.5      0.002      0.005        5.3        75.
 90TH PERCENTILE              7.7      0.003      0.011       15.2       100.
 MAXIMUM                      7.7      0.004      0.029       20.1       100.
 DATE OF MAXIMUM       1993-10-05 1991-09-03 1992-07-07 1992-06-09 1991-08-06
 STANDARD DEVIATION           0.2      0.001      0.005        5.4        37.





 STATION - MOTUEKA AT WOODSTOCK                     STATION NO. 017049
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 41/15/34  LONG. 172/49/20  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-08 TO 1993-12-08

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                        82.8       18.5        0.9        4.7        1.0
 MINIMUM                     30.0        1.0        0.0        1.6        0.1
 DATE OF MINIMUM       1993-04-27 1992-03-03 1991-01-08 1993-04-27 1992-03-03
 10TH PERCENTILE             34.8        7.0        0.0        1.8        0.3
 MEDIAN                      63.0       15.0        1.0        3.6        0.8
 90TH PERCENTILE            164.7       31.8        2.0        9.5        1.8
 MAXIMUM                    281.0       64.0        5.0       16.0        3.4
 DATE OF MAXIMUM       1993-03-04 1993-03-04 1993-12-08 1993-03-04 1993-03-04
 STANDARD DEVIATION          58.9       13.6        1.1        3.4        0.7




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                        110.       11.1        3.7        1.5      0.094
 MINIMUM                      74.        5.1        0.2        0.3      0.004
 DATE OF MINIMUM       1993-12-08 1992-06-23 1993-12-08 1993-11-09 1993-04-27
 10TH PERCENTILE              82.        6.1        0.7        0.3      0.017
 MEDIAN                      114.       11.1        3.8        0.7      0.056
 90TH PERCENTILE             134.       15.3        6.2        2.9      0.214
 MAXIMUM                     138.       18.2        7.3       16.0      0.305
 DATE OF MAXIMUM       1993-03-29 1991-01-08 1993-03-29 1993-03-04 1993-05-25
 STANDARD DEVIATION           19.        3.7        2.2        2.6      0.087




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       37         39         38         38         37
 MEAN                        0.01       0.17       104.       11.3         0.
 MINIMUM                     0.00       0.06       100.        9.6         0.
 DATE OF MINIMUM       1991-10-15 1991-04-02 1991-08-20 1993-03-04 1992-08-18
 10TH PERCENTILE             0.00       0.06       100.       10.0         0.
 MEDIAN                      0.01       0.14       103.       11.3         0.
 90TH PERCENTILE             0.01       0.33       110.       12.5         1.
 MAXIMUM                     0.01       0.44       115.       13.1         1.
 DATE OF MAXIMUM       1993-12-08 1993-12-08 1993-03-29 1992-05-26 1991-04-30
 STANDARD DEVIATION          0.00       0.10         4.        0.9         0.




                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         35         39         39         39
 MEAN                         8.1      0.003      0.009       50.2        38.
 MINIMUM                      7.7      0.001      0.002       12.1         0.
 DATE OF MINIMUM       1992-07-21 1991-10-15 1991-12-10 1993-03-29 1991-02-04
 10TH PERCENTILE              7.7      0.001      0.003       15.2         0.
 MEDIAN                       8.1      0.003      0.006       32.9        38.
 90TH PERCENTILE              8.5      0.006      0.016       98.2       100.
 MAXIMUM                      8.8      0.007      0.057      145.0       100.
 DATE OF MAXIMUM       1992-04-28 1993-12-08 1993-03-04 1993-12-08 1991-04-30
 STANDARD DEVIATION           0.3      0.002      0.009       35.4        36.





 STATION - MOTUEKA AT GORGE                         STATION NO. 017050
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 41/38/05  LONG. 172/54/48  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-08 TO 1993-12-08

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         38
 MEAN                        38.0        8.9        0.5        2.1        0.5
 MINIMUM                     12.0        0.0        0.0        0.7        0.1
 DATE OF MINIMUM       1993-03-29 1992-03-03 1991-01-08 1993-03-29 1993-04-27
 10TH PERCENTILE             14.9        2.9        0.0        0.8        0.1
 MEDIAN                      27.0        6.0        0.0        1.4        0.4
 90TH PERCENTILE             99.2       20.1        2.0        5.7        1.2
 MAXIMUM                    118.0       29.0        3.0        6.8        1.7
 DATE OF MAXIMUM       1992-07-21 1993-01-05 1993-12-08 1992-07-21 1992-07-21
 STANDARD DEVIATION          30.1        7.1        0.8        1.7        0.4




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                         98.        7.5        9.6        0.6      0.020
 MINIMUM                      71.        1.7        0.9        0.1      0.006
 DATE OF MINIMUM       1992-10-13 1992-06-23 1993-03-04 1991-03-05 1991-01-08
 10TH PERCENTILE              77.        3.3        3.0        0.2      0.010
 MEDIAN                       95.        7.3       10.4        0.4      0.019
 90TH PERCENTILE             115.       11.5       14.1        0.9      0.034
 MAXIMUM                     126.       14.0       17.0        3.5      0.048
 DATE OF MAXIMUM       1992-04-28 1991-01-08 1993-08-17 1993-03-04 1993-07-20
 STANDARD DEVIATION           15.        3.1        4.3        0.6      0.010




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       38         39         38         38         35
 MEAN                        0.00       0.06       101.       11.5         0.
 MINIMUM                     0.00       0.01        98.       10.1         0.
 DATE OF MINIMUM       1991-07-23 1991-11-12 1991-02-04 1992-02-04 1991-09-17
 10TH PERCENTILE             0.00       0.03        99.       10.4         0.
 MEDIAN                      0.00       0.05       100.       11.5         0.
 90TH PERCENTILE             0.01       0.09       102.       12.7         0.
 MAXIMUM                     0.01       0.12       108.       13.6         1.
 DATE OF MAXIMUM       1991-08-20 1993-12-08 1991-01-08 1992-06-23 1993-02-02
 STANDARD DEVIATION          0.00       0.02         2.        0.9         0.



                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                         8.0      0.002      0.004        6.2        43.
 MINIMUM                      7.1      0.001      0.001        1.6         0.
 DATE OF MINIMUM       1991-05-28 1991-02-04 1992-03-31 1992-05-26 1991-12-10
 10TH PERCENTILE              7.8      0.001      0.002        1.9         0.
 MEDIAN                       8.0      0.002      0.003        3.4        25.
 90TH PERCENTILE              8.1      0.003      0.006       15.2       100.
 MAXIMUM                      8.2      0.004      0.009       27.8       100.
 DATE OF MAXIMUM       1992-04-28 1992-08-18 1993-03-04 1991-04-30 1992-02-04
 STANDARD DEVIATION           0.2      0.001      0.002        6.1        39.





 STATION - WAIRAU AT DIP FLAT                       STATION NO. 017051
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 41/53/41  LONG. 172/55/16  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-16 TO 1993-12-14

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         36
 MEAN                        20.3        5.3        0.4        1.1        0.3
 MINIMUM                      3.0        0.0        0.0        0.2        0.1
 DATE OF MINIMUM       1993-05-05 1991-12-18 1991-01-16 1993-05-05 1991-01-16
 10TH PERCENTILE              6.8        0.9        0.0        0.4        0.1
 MEDIAN                      14.0        4.0        0.0        0.8        0.2
 90TH PERCENTILE             41.1       11.1        1.0        2.2        0.5
 MAXIMUM                    116.0       36.0        3.0        6.6        2.0
 DATE OF MAXIMUM       1992-10-21 1992-10-21 1993-02-10 1992-10-21 1992-10-21
 STANDARD DEVIATION          20.1        6.4        0.7        1.1        0.3




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                         46.        6.7        5.3        1.0      0.011
 MINIMUM                      34.        0.4        0.4        0.2      0.001
 DATE OF MINIMUM       1992-11-17 1992-07-01 1992-11-17 1992-07-01 1993-02-10
 10TH PERCENTILE              42.        2.8        1.3        0.3      0.003
 MEDIAN                       46.        6.5        4.7        0.6      0.008
 90TH PERCENTILE              49.       10.2       10.1        1.4      0.023
 MAXIMUM                      52.       11.3       13.5        7.0      0.039
 DATE OF MAXIMUM       1993-08-25 1991-02-13 1993-08-25 1992-11-17 1991-08-28
 STANDARD DEVIATION            4.        2.6        3.2        1.3      0.009




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       38         39         39         39         35
 MEAN                        0.00       0.04       101.       11.3         0.
 MINIMUM                     0.00       0.00        98.       10.0         0.
 DATE OF MINIMUM       1991-06-05 1992-03-11 1991-01-16 1991-01-16 1991-09-25
 10TH PERCENTILE             0.00       0.01        99.       10.3         0.
 MEDIAN                      0.00       0.04       101.       11.3         0.
 90TH PERCENTILE             0.01       0.07       102.       12.5         0.
 MAXIMUM                     0.01       0.09       107.       13.6         1.
 DATE OF MAXIMUM       1992-12-16 1993-04-06 1991-07-03 1991-07-03 1991-12-18
 STANDARD DEVIATION          0.00       0.02         2.        0.8         0.




1GEMS/WATER - STATISTICAL SUMMARY BY STATION     2002-01-24   PAGE 616

 STATION - WAIRAU AT DIP FLAT                       STATION NO. 017051
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 41/53/41  LONG. 172/55/16  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-16 TO 1993-12-14

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         37         37         39         39
 MEAN                         7.6      0.002      0.005       19.0        63.
 MINIMUM                      7.4      0.001      0.002        7.2         0.
 DATE OF MINIMUM       1992-10-21 1991-04-10 1992-01-15 1992-07-01 1991-03-13
 10TH PERCENTILE              7.5      0.001      0.002        8.8         0.
 MEDIAN                       7.6      0.002      0.004       15.6        75.
 90TH PERCENTILE              7.7      0.003      0.006       30.5       100.
 MAXIMUM                      8.0      0.004      0.016       62.6       100.
 DATE OF MAXIMUM       1991-11-20 1993-07-28 1992-10-21 1992-11-17 1991-06-05
 STANDARD DEVIATION           0.1      0.001      0.003       11.3        39.





 STATION - WAIRAU AT TUAMARINA                      STATION NO. 017052
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 41/26/27  LONG. 173/57/53  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-16 TO 1993-12-14

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         36
 MEAN                        15.9        4.2        0.3        0.9        0.2
 MINIMUM                      5.0        0.0        0.0        0.3        0.1
 DATE OF MINIMUM       1993-05-05 1991-12-18 1991-01-16 1993-05-05 1993-05-05
 10TH PERCENTILE              8.0        0.9        0.0        0.5        0.1
 MEDIAN                      15.0        4.0        0.0        0.8        0.2
 90TH PERCENTILE             23.3        6.3        1.0        1.2        0.3
 MAXIMUM                     52.0       14.0        4.0        3.0        0.8
 DATE OF MAXIMUM       1991-09-25 1991-09-25 1991-08-28 1991-09-25 1991-09-25
 STANDARD DEVIATION           8.5        3.1        0.8        0.5        0.2




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                         61.       14.1        3.9        1.6      0.058
 MINIMUM                      47.        6.5        0.2        0.3      0.008
 DATE OF MINIMUM       1992-11-17 1992-07-01 1992-11-17 1991-07-03 1991-12-18
 10TH PERCENTILE              54.        8.3        1.0        0.4      0.011
 MEDIAN                       61.       13.5        4.1        0.8      0.041
 90TH PERCENTILE              68.       20.4        6.2        2.4      0.167
 MAXIMUM                      70.       22.0        8.1       16.0      0.255
 DATE OF MAXIMUM       1993-05-05 1991-01-16 1993-08-25 1992-11-17 1993-06-30
 STANDARD DEVIATION            5.        4.5        2.1        2.8      0.061




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         38         38         37
 MEAN                        0.01       0.10       105.       10.9         0.
 MINIMUM                     0.00       0.03        97.        8.9         0.
 DATE OF MINIMUM       1991-10-22 1991-11-20 1992-07-29 1991-01-16 1992-04-08
 10TH PERCENTILE             0.00       0.04        98.        9.4         0.
 MEDIAN                      0.01       0.09       103.       10.7         0.
 90TH PERCENTILE             0.01       0.21       113.       12.5         0.
 MAXIMUM                     0.01       0.29       125.       13.4         1.
 DATE OF MAXIMUM       1993-02-10 1993-06-30 1992-03-11 1993-08-25 1993-03-10
 STANDARD DEVIATION          0.00       0.07         6.        1.2         0.



                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         38         39         39         39
 MEAN                         8.0      0.003      0.007       49.3        57.
 MINIMUM                      7.5      0.001      0.002       12.0         0.
 DATE OF MINIMUM       1992-07-29 1991-06-05 1992-05-06 1992-05-06 1991-07-03
 10TH PERCENTILE              7.5      0.001      0.003       17.1         0.
 MEDIAN                       7.8      0.003      0.005       40.9        62.
 90TH PERCENTILE              8.8      0.005      0.009       78.4       100.
 MAXIMUM                      9.0      0.007      0.034      176.0       100.
 DATE OF MAXIMUM       1992-03-11 1991-08-28 1992-11-17 1992-11-17 1991-04-10
 STANDARD DEVIATION           0.5      0.001      0.006       37.2        40.





 STATION - BULLER AT LONGFORD                       STATION NO. 017053
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 41/45/54  LONG. 172/23/10  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-15 TO 1993-12-14

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                        44.8       10.0        0.4        2.5        0.5
 MINIMUM                     23.0        2.0        0.0        1.3        0.1
 DATE OF MINIMUM       1991-12-17 1993-06-01 1991-01-15 1991-12-17 1993-06-01
 10TH PERCENTILE             25.0        4.9        0.0        1.4        0.3
 MEDIAN                      36.0        9.0        0.0        2.1        0.5
 90TH PERCENTILE             77.5       16.1        1.0        4.3        0.9
 MAXIMUM                    148.0       36.0        3.0        8.4        2.0
 DATE OF MAXIMUM       1992-11-17 1992-11-17 1993-06-29 1992-11-17 1992-11-17
 STANDARD DEVIATION          27.8        6.3        0.7        1.6        0.4




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                         58.       10.3        3.8        0.9      0.028
 MINIMUM                      44.        4.5        0.4        0.3      0.003
 DATE OF MINIMUM       1992-11-17 1992-06-30 1992-11-17 1991-07-02 1993-08-23
 10TH PERCENTILE              51.        5.9        1.5        0.3      0.009
 MEDIAN                       58.       10.3        4.2        0.6      0.023
 90TH PERCENTILE              66.       15.0        5.7        1.4      0.057
 MAXIMUM                      68.       16.7        6.8        5.1      0.074
 DATE OF MAXIMUM       1993-08-23 1992-02-11 1992-06-30 1992-11-17 1991-08-27
 STANDARD DEVIATION            5.        3.5        1.6        0.9      0.018




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         36
 MEAN                        0.01       0.07       100.       11.0         0.
 MINIMUM                     0.00       0.03        98.        9.6         0.
 DATE OF MINIMUM       1991-06-04 1992-12-16 1992-11-17 1992-02-11 1993-06-01
 10TH PERCENTILE             0.00       0.04        99.        9.8         0.
 MEDIAN                      0.01       0.06       100.       11.1         0.
 90TH PERCENTILE             0.01       0.11       102.       12.2         1.
 MAXIMUM                     0.01       0.19       104.       12.9         1.
 DATE OF MAXIMUM       1992-12-16 1992-11-17 1991-01-15 1992-06-30 1991-12-17
 STANDARD DEVIATION          0.00       0.03         1.        0.9         0.




                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         21         38         39         39
 MEAN                         7.7      0.001      0.005       53.3        73.
 MINIMUM                      7.5      0.001      0.001       20.6         0.
 DATE OF MINIMUM       1991-09-24 1991-01-15 1993-08-23 1992-06-02 1991-12-17
 10TH PERCENTILE              7.6      0.001      0.002       26.0         0.
 MEDIAN                       7.7      0.001      0.004       44.8       100.
 90TH PERCENTILE              7.8      0.001      0.007       82.6       100.
 MAXIMUM                      7.9      0.002      0.030      152.0       100.
 DATE OF MAXIMUM       1991-01-15 1991-11-19 1992-11-17 1992-11-17 1991-06-04
 STANDARD DEVIATION           0.1      0.000      0.005       28.7        40.





 STATION - BULLER AT TE HUHA                        STATION NO. 017054
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 41/50/09  LONG. 171/41/57  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-22 TO 1993-12-14

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                       133.2       29.5        1.0        7.6        1.6
 MINIMUM                      9.0        2.0        0.0        0.5        0.1
 DATE OF MINIMUM       1991-05-21 1991-05-21 1991-03-12 1991-05-21 1991-05-21
 10TH PERCENTILE             32.0        6.6        0.0        1.9        0.4
 MEDIAN                     105.0       23.5        0.0        6.1        1.3
 90TH PERCENTILE            295.3       63.2        3.0       17.0        3.5
 MAXIMUM                    392.0       86.0        3.0       22.0        4.7
 DATE OF MAXIMUM       1991-01-22 1991-01-22 1991-06-18 1991-01-22 1991-01-22
 STANDARD DEVIATION         103.1       22.6        1.2        5.9        1.2




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         65.       11.3        2.2        5.8      0.033
 MINIMUM                      36.        4.4        0.1        0.4      0.002
 DATE OF MINIMUM       1993-07-27 1991-07-16 1993-10-21 1991-03-12 1991-12-18
 10TH PERCENTILE              50.        6.8        0.2        0.5      0.009
 MEDIAN                       68.       10.8        2.1        1.5      0.030
 90TH PERCENTILE              76.       15.8        5.0       16.6      0.064
 MAXIMUM                      83.       17.7        6.1       44.0      0.087
 DATE OF MAXIMUM       1991-07-16 1992-02-18 1992-04-21 1992-03-17 1991-08-20
 STANDARD DEVIATION           11.        3.5        1.8       10.3      0.021




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        0.01       0.13        99.       11.0         1.
 MINIMUM                     0.00       0.04        85.        8.1         0.
 DATE OF MINIMUM       1991-01-22 1992-01-21 1992-02-18 1992-02-18 1993-08-19
 10TH PERCENTILE             0.00       0.04        98.        9.6         0.
 MEDIAN                      0.01       0.10       100.       11.1         0.
 90TH PERCENTILE             0.01       0.24       102.       12.2         1.
 MAXIMUM                     0.01       0.29       104.       13.6         2.
 DATE OF MAXIMUM       1993-09-21 1992-03-17 1991-07-16 1991-07-16 1993-09-21
 STANDARD DEVIATION          0.00       0.07         3.        1.1         0.



                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         7.6      0.002      0.021      413.8        68.
 MINIMUM                      7.2      0.000      0.002       64.0         0.
 DATE OF MINIMUM       1991-01-22 1991-04-23 1991-03-12 1992-10-20 1991-02-19
 10TH PERCENTILE              7.4      0.000      0.002      129.4         0.
 MEDIAN                       7.6      0.001      0.007      262.2        88.
 90TH PERCENTILE              7.7      0.004      0.039      856.4       100.
 MAXIMUM                      7.8      0.005      0.215     1545.0       100.
 DATE OF MAXIMUM       1992-04-21 1993-10-21 1992-03-17 1992-03-17 1991-06-18
 STANDARD DEVIATION           0.1      0.001      0.040      346.6        38.





 STATION - GREY AT DOBSON                           STATION NO. 017055
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 42/27/18  LONG. 171/17/51  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-22 TO 1993-12-14

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                       193.9       42.6        1.9       10.9        2.3
 MINIMUM                     58.0        9.0        0.0        3.3        0.5
 DATE OF MINIMUM       1991-12-18 1991-12-18 1991-03-12 1991-12-18 1991-12-18
 10TH PERCENTILE             70.6       13.6        0.0        4.1        0.8
 MEDIAN                     149.5       32.5        1.0        8.6        1.8
 90TH PERCENTILE            401.7       87.5        5.0       23.0        4.6
 MAXIMUM                    547.0      119.0        8.0       31.0        6.4
 DATE OF MAXIMUM       1993-01-19 1993-01-19 1992-03-17 1993-01-19 1993-01-19
 STANDARD DEVIATION         135.0       29.9        2.0        7.6        1.6




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         54.       12.3        1.7       10.3      0.061
 MINIMUM                      24.        5.6        0.1        0.5      0.022
 DATE OF MINIMUM       1993-01-19 1991-07-16 1993-01-19 1991-03-12 1993-01-19
 10TH PERCENTILE              35.        7.7        0.2        0.7      0.025
 MEDIAN                       57.       11.2        1.5        2.3      0.060
 90TH PERCENTILE              65.       17.5        3.8       20.2      0.098
 MAXIMUM                      86.       18.7        4.4      160.0      0.125
 DATE OF MAXIMUM       1992-02-18 1992-12-17 1993-04-20 1993-01-19 1991-07-16
 STANDARD DEVIATION           12.        3.7        1.3       28.0      0.028




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         35         36         36         36
 MEAN                        0.01       0.19       100.       10.8         0.
 MINIMUM                     0.00       0.05        85.        8.2         0.
 DATE OF MINIMUM       1991-01-22 1991-12-18 1992-02-18 1992-02-18 1992-10-20
 10TH PERCENTILE             0.00       0.08        98.        9.6         0.
 MEDIAN                      0.01       0.14       100.       10.8         0.
 90TH PERCENTILE             0.01       0.28       104.       11.9         1.
 MAXIMUM                     0.01       1.03       108.       12.6         2.
 DATE OF MAXIMUM       1993-01-19 1993-01-19 1992-09-22 1991-07-16 1993-01-19
 STANDARD DEVIATION          0.00       0.16         4.        1.0         0.




                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         7.3      0.002      0.033      414.3        62.
 MINIMUM                      6.8      0.000      0.003       93.0         0.
 DATE OF MINIMUM       1993-01-19 1991-04-23 1992-01-21 1991-07-16 1991-02-19
 10TH PERCENTILE              7.0      0.001      0.004      112.6         0.
 MEDIAN                       7.3      0.002      0.008      212.6        81.
 90TH PERCENTILE              7.6      0.005      0.065      995.9       100.
 MAXIMUM                      7.7      0.007      0.355     2300.0       100.
 DATE OF MAXIMUM       1991-03-12 1993-01-19 1993-01-19 1993-01-19 1991-06-18
 STANDARD DEVIATION           0.2      0.002      0.072      472.1        40.





 STATION - GREY AT WAIPUNA                          STATION NO. 017056
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 42/21/16  LONG. 171/47/10  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-22 TO 1993-12-14

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                       192.6       42.0        1.8       10.9        2.2
 MINIMUM                     34.0        5.0        0.0        2.0        0.3
 DATE OF MINIMUM       1991-03-12 1991-12-18 1991-03-12 1991-03-12 1991-12-18
 10TH PERCENTILE             44.8       10.8        0.0        2.3        0.5
 MEDIAN                     121.0       27.5        1.0        7.0        1.5
 90TH PERCENTILE            463.6       96.3        4.3       26.0        5.3
 MAXIMUM                    525.0      110.0        6.0       30.0        5.8
 DATE OF MAXIMUM       1993-01-19 1993-01-19 1993-10-21 1993-01-19 1993-01-19
 STANDARD DEVIATION         156.9       33.0        1.8        8.9        1.8




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         47.       10.7        3.9        5.2      0.022
 MINIMUM                      20.        3.9        0.1        0.2      0.004
 DATE OF MINIMUM       1993-01-19 1991-07-16 1993-07-27 1991-03-12 1991-03-12
 10TH PERCENTILE              27.        5.9        0.2        0.3      0.007
 MEDIAN                       50.        9.7        3.7        0.8      0.020
 90TH PERCENTILE              62.       16.6        6.9       10.4      0.048
 MAXIMUM                      65.       17.8       10.1       60.0      0.051
 DATE OF MAXIMUM       1992-04-21 1992-12-17 1993-04-20 1993-07-27 1992-06-23
 STANDARD DEVIATION           13.        3.9        2.6       13.0      0.014




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        0.01       0.12       101.       11.1         0.
 MINIMUM                     0.00       0.03        84.        8.1         0.
 DATE OF MINIMUM       1991-10-16 1992-04-21 1992-02-18 1992-02-18 1992-10-20
 10TH PERCENTILE             0.00       0.05        99.        9.7         0.
 MEDIAN                      0.01       0.10       101.       11.3         0.
 90TH PERCENTILE             0.01       0.22       104.       12.3         1.
 MAXIMUM                     0.01       0.34       108.       13.6         2.
 DATE OF MAXIMUM       1993-09-21 1993-01-19 1992-09-22 1991-07-16 1993-09-21
 STANDARD DEVIATION          0.00       0.07         4.        1.1         0.



                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         7.4      0.002      0.024       78.7        56.
 MINIMUM                      6.7      0.000      0.001       15.0         0.
 DATE OF MINIMUM       1992-03-17 1991-04-23 1992-01-21 1991-07-16 1991-02-19
 10TH PERCENTILE              7.0      0.001      0.002       17.8         0.
 MEDIAN                       7.5      0.002      0.005       33.4        69.
 90TH PERCENTILE              7.7      0.003      0.056      181.3       100.
 MAXIMUM                      7.8      0.004      0.270      480.0       100.
 DATE OF MAXIMUM       1991-03-12 1993-10-21 1993-07-27 1993-10-21 1992-05-19
 STANDARD DEVIATION           0.3      0.001      0.057      111.3        38.





 STATION - HAAST AT ROARING BILLY                   STATION NO. 017057
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 43/56/39  LONG. 169/17/50  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-17 TO 1993-12-07

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       35         35         35         35         35
 MEAN                        20.3        4.9        0.2        1.1        0.3
 MINIMUM                      3.0        0.0        0.0        0.2        0.0
 DATE OF MINIMUM       1991-05-08 1991-03-20 1991-03-20 1991-05-08 1991-03-20
 10TH PERCENTILE              5.5        0.0        0.0        0.3        0.0
 MEDIAN                      14.0        3.0        0.0        0.8        0.2
 90TH PERCENTILE             43.5       11.5        1.0        2.5        0.7
 MAXIMUM                     68.0       15.0        2.0        3.9        0.9
 DATE OF MAXIMUM       1992-01-08 1992-01-08 1993-07-20 1992-01-08 1992-01-08
 STANDARD DEVIATION          16.6        4.5        0.5        1.0        0.3




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       35         35         35         35         35
 MEAN                         80.        8.9        3.8        3.5      0.039
 MINIMUM                      39.        5.0        0.1        0.3      0.014
 DATE OF MINIMUM       1992-01-08 1991-08-07 1992-01-08 1991-07-09 1991-12-11
 10TH PERCENTILE              58.        5.5        0.3        0.3      0.018
 MEDIAN                       80.        9.0        2.8        1.0      0.031
 90TH PERCENTILE             100.       12.2        9.5        5.7      0.047
 MAXIMUM                     103.       14.5       11.3       53.0      0.300
 DATE OF MAXIMUM       1992-05-13 1992-02-12 1991-07-09 1992-01-08 1991-03-20
 STANDARD DEVIATION           15.        2.5        3.4        9.0      0.047




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       35         34         35         35         35
 MEAN                        0.01       0.10        99.       11.4         0.
 MINIMUM                     0.00       0.03        97.        9.8         0.
 DATE OF MINIMUM       1991-06-12 1993-11-09 1993-07-20 1992-02-12 1992-06-16
 10TH PERCENTILE             0.00       0.04        98.       10.4         0.
 MEDIAN                      0.01       0.07       100.       11.5         0.
 90TH PERCENTILE             0.01       0.22       101.       12.1         1.
 MAXIMUM                     0.02       0.28       102.       12.4         1.
 DATE OF MAXIMUM       1991-03-20 1992-08-11 1993-12-07 1991-06-12 1992-04-09
 STANDARD DEVIATION          0.00       0.07         1.        0.7         0.



                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       35         35         35         35         35
 MEAN                         7.7      0.001      0.012      155.6        57.
 MINIMUM                      7.3      0.000      0.000       36.7         0.
 DATE OF MINIMUM       1991-08-07 1991-06-12 1992-05-13 1991-07-09 1991-01-17
 10TH PERCENTILE              7.5      0.000      0.002       44.8         0.
 MEDIAN                       7.7      0.001      0.004      114.0        75.
 90TH PERCENTILE              7.9      0.002      0.020      307.2       100.
 MAXIMUM                      8.2      0.004      0.185      795.5       100.
 DATE OF MAXIMUM       1992-09-15 1991-01-17 1992-01-08 1992-01-08 1991-11-11
 STANDARD DEVIATION           0.2      0.001      0.031      147.9        41.





 STATION - HURUNUI AT MANDAMUS                      STATION NO. 017058
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 42/47/31  LONG. 172/32/29  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-23 TO 1993-12-15

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       34         34         34         36         36
 MEAN                        33.6        8.2        0.2        1.8        0.4
 MINIMUM                     18.0        2.0        0.0        0.0        0.0
 DATE OF MINIMUM       1992-01-22 1991-07-24 1991-01-23 1993-08-25 1993-08-25
 10TH PERCENTILE             19.0        4.0        0.0        1.0        0.1
 MEDIAN                      28.5        6.5        0.0        1.6        0.3
 90TH PERCENTILE             52.2       14.6        1.0        2.9        0.8
 MAXIMUM                     83.0       27.0        2.0        4.8        1.6
 DATE OF MAXIMUM       1992-10-21 1992-10-21 1993-05-26 1992-10-21 1992-10-21
 STANDARD DEVIATION          17.1        5.6        0.6        1.1        0.3




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         68.        9.4        2.4        4.8      0.014
 MINIMUM                      54.        4.4        0.1        0.4      0.001
 DATE OF MINIMUM       1992-10-21 1991-07-24 1992-10-21 1993-04-28 1991-03-20
 10TH PERCENTILE              62.        5.4        0.3        0.5      0.002
 MEDIAN                       68.        8.9        2.0        1.4      0.009
 90TH PERCENTILE              72.       13.7        5.0        6.5      0.032
 MAXIMUM                      76.       15.7        7.6       51.0      0.069
 DATE OF MAXIMUM       1992-04-29 1991-01-23 1993-04-28 1992-10-21 1991-07-24
 STANDARD DEVIATION            5.        3.2        1.9        9.9      0.015




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         35         35         36
 MEAN                        0.01       0.06       102.       11.2         0.
 MINIMUM                     0.00       0.03        98.        9.7         0.
 DATE OF MINIMUM       1991-06-19 1991-11-20 1992-06-24 1991-01-23 1992-08-26
 10TH PERCENTILE             0.00       0.04        99.       10.1         0.
 MEDIAN                      0.00       0.05       102.       11.3         0.
 90TH PERCENTILE             0.01       0.10       105.       12.3         0.
 MAXIMUM                     0.02       0.12       108.       12.5         1.
 DATE OF MAXIMUM       1992-03-25 1991-07-24 1991-05-23 1991-05-23 1993-01-20
 STANDARD DEVIATION          0.00       0.03         2.        0.8         0.



                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         35         36         36         36
 MEAN                         7.8      0.001      0.011       46.4        45.
 MINIMUM                      7.5      0.000      0.001       16.8         0.
 DATE OF MINIMUM       1992-10-21 1991-05-23 1992-01-22 1993-03-24 1991-03-20
 10TH PERCENTILE              7.7      0.000      0.002       18.3         0.
 MEDIAN                       7.8      0.001      0.005       38.9        38.
 90TH PERCENTILE              7.9      0.002      0.014       82.9       100.
 MAXIMUM                      8.1      0.008      0.105      118.5       100.
 DATE OF MAXIMUM       1993-05-26 1992-03-25 1992-10-21 1993-10-20 1992-11-25
 STANDARD DEVIATION           0.1      0.001      0.021       27.7        43.





 STATION - HURUNUI AT SHI BRIDGE                    STATION NO. 017059
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 42/54/00  LONG. 173/05/47  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-23 TO 1993-12-15

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       34         36         34         36         36
 MEAN                        38.9        9.1        0.5        2.0        0.5
 MINIMUM                     18.0        0.0        0.0        0.0        0.0
 DATE OF MINIMUM       1992-05-27 1993-08-25 1991-01-23 1993-08-25 1993-08-25
 10TH PERCENTILE             19.4        3.2        0.0        1.0        0.1
 MEDIAN                      28.5        7.5        0.0        1.5        0.4
 90TH PERCENTILE             68.4       18.3        1.6        3.7        0.9
 MAXIMUM                    144.0       31.0        4.0        8.3        1.8
 DATE OF MAXIMUM       1991-07-24 1991-07-24 1993-05-26 1991-07-24 1991-07-24
 STANDARD DEVIATION          26.1        6.5        1.0        1.5        0.4




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         84.       11.9        1.4        8.1      0.228
 MINIMUM                      68.        5.6        0.1        0.7      0.105
 DATE OF MINIMUM       1993-01-20 1991-07-24 1991-08-21 1991-03-20 1993-01-20
 10TH PERCENTILE              72.        6.6        0.1        1.2      0.143
 MEDIAN                       85.       11.1        1.0        2.5      0.207
 90TH PERCENTILE              92.       16.9        3.1       28.9      0.303
 MAXIMUM                     105.       19.7        4.2       42.0      0.545
 DATE OF MAXIMUM       1992-09-23 1991-01-23 1993-08-25 1993-11-25 1991-07-24
 STANDARD DEVIATION            8.        4.2        1.2       11.2      0.089




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         35         35         36
 MEAN                        0.01       0.31       103.       11.1         0.
 MINIMUM                     0.00       0.18        94.        9.0         0.
 DATE OF MINIMUM       1991-05-23 1991-02-20 1992-08-26 1991-01-23 1992-08-26
 10TH PERCENTILE             0.00       0.19        99.        9.9         0.
 MEDIAN                      0.00       0.29       102.       11.3         0.
 90TH PERCENTILE             0.01       0.42       110.       12.3         0.
 MAXIMUM                     0.01       0.65       125.       12.8         1.
 DATE OF MAXIMUM       1992-03-25 1991-07-24 1993-03-24 1993-04-28 1993-03-24
 STANDARD DEVIATION          0.00       0.10         6.        1.0         0.




                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         8.0      0.002      0.018       61.9        49.
 MINIMUM                      7.5      0.000      0.002       22.0         0.
 DATE OF MINIMUM       1991-08-21 1991-04-25 1992-05-27 1991-03-20 1991-03-20
 10TH PERCENTILE              7.7      0.001      0.004       25.2         0.
 MEDIAN                       7.9      0.002      0.009       52.5        38.
 90TH PERCENTILE              8.4      0.005      0.051      111.3       100.
 MAXIMUM                      9.5      0.007      0.086      138.0       100.
 DATE OF MAXIMUM       1993-03-24 1993-11-25 1993-11-25 1991-08-21 1991-11-20
 STANDARD DEVIATION           0.4      0.002      0.022       32.8        44.





 STATION - WAIMAKARIRI AT GORGE                     STATION NO. 017060
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 43/21/39  LONG. 172/03/05  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-23 TO 1993-12-15

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       34         34         34         36         36
 MEAN                        22.1        6.4        0.4        1.2        0.3
 MINIMUM                      8.0        1.0        0.0        0.0        0.0
 DATE OF MINIMUM       1991-03-19 1991-01-23 1991-01-23 1993-08-25 1993-08-25
 10TH PERCENTILE              9.0        2.0        0.0        0.5        0.1
 MEDIAN                      19.0        5.0        0.0        1.0        0.3
 90TH PERCENTILE             44.0       12.2        1.0        2.3        0.6
 MAXIMUM                     51.0       16.0        7.0        2.9        0.9
 DATE OF MAXIMUM       1992-09-23 1992-09-23 1991-08-21 1992-09-23 1992-09-23
 STANDARD DEVIATION          13.2        3.9        1.3        0.8        0.2




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         65.        9.1        1.6       13.3      0.061
 MINIMUM                      44.        4.0        0.0        0.6      0.022
 DATE OF MINIMUM       1992-10-21 1992-06-24 1992-10-21 1992-04-29 1991-03-19
 10TH PERCENTILE              59.        4.9        0.1        0.7      0.034
 MEDIAN                       67.        8.6        0.6        4.4      0.060
 90TH PERCENTILE              70.       13.8        4.4       25.0      0.089
 MAXIMUM                      71.       16.9        6.2      130.0      0.130
 DATE OF MAXIMUM       1993-08-25 1991-03-19 1993-03-24 1992-10-21 1992-09-23
 STANDARD DEVIATION            5.        3.4        1.9       24.3      0.023




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         35         35         36
 MEAN                        0.01       0.10       100.       11.2         0.
 MINIMUM                     0.00       0.03        94.        9.2         0.
 DATE OF MINIMUM       1991-06-19 1991-12-19 1991-01-23 1991-01-23 1992-07-29
 10TH PERCENTILE             0.00       0.04        96.       10.1         0.
 MEDIAN                      0.00       0.09        99.       11.3         0.
 90TH PERCENTILE             0.01       0.15       105.       12.5         0.
 MAXIMUM                     0.01       0.22       113.       13.6         0.
 DATE OF MAXIMUM       1992-01-22 1993-11-25 1991-03-19 1992-06-24 1993-01-20
 STANDARD DEVIATION          0.00       0.04         4.        1.0         0.



                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         7.8      0.002      0.024       95.4        42.
 MINIMUM                      7.6      0.000      0.000       28.0         0.
 DATE OF MINIMUM       1992-10-21 1991-05-23 1992-04-29 1991-03-19 1991-03-19
 10TH PERCENTILE              7.7      0.000      0.002       35.0         0.
 MEDIAN                       7.7      0.001      0.009       71.0        19.
 90TH PERCENTILE              7.9      0.003      0.076      165.0       100.
 MAXIMUM                      8.9      0.005      0.160      500.0       100.
 DATE OF MAXIMUM       1991-03-19 1992-03-25 1992-10-21 1992-10-21 1991-12-19
 STANDARD DEVIATION           0.2      0.001      0.036       83.6        45.





 STATION - WAIMAKARIRI ABOVE OLD HWY BR.            STATION NO. 017061
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 43/24/59  LONG. 172/39/05  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-23 TO 1993-12-15

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       34         34         34         36         36
 MEAN                        25.3        7.8        0.4        1.3        0.4
 MINIMUM                      8.0        2.0        0.0        0.0        0.0
 DATE OF MINIMUM       1991-03-19 1991-01-23 1991-01-23 1993-08-25 1993-08-25
 10TH PERCENTILE              9.0        2.0        0.0        0.4        0.1
 MEDIAN                      15.5        5.0        0.0        0.9        0.3
 90TH PERCENTILE             52.2       18.2        1.6        2.7        0.8
 MAXIMUM                     97.0       32.0        3.0        5.3        1.6
 DATE OF MAXIMUM       1992-10-21 1992-10-21 1992-07-29 1992-10-21 1992-10-21
 STANDARD DEVIATION          23.0        6.9        0.8        1.3        0.4




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         65.       13.7        0.9       21.2      0.057
 MINIMUM                      48.        6.1        0.0        0.9      0.004
 DATE OF MINIMUM       1992-10-21 1991-07-24 1992-10-21 1992-04-29 1991-03-19
 10TH PERCENTILE              59.        7.2        0.1        1.3      0.012
 MEDIAN                       66.       12.9        0.5        5.8      0.056
 90TH PERCENTILE              69.       20.5        2.4       38.0      0.098
 MAXIMUM                      71.       23.1        3.6      290.0      0.140
 DATE OF MAXIMUM       1992-09-23 1992-01-22 1993-08-25 1992-10-21 1992-09-23
 STANDARD DEVIATION            5.        5.0        0.9       49.8      0.033




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         35         35         36
 MEAN                        0.01       0.10       101.       10.6         0.
 MINIMUM                     0.00       0.02        96.        8.6         0.
 DATE OF MINIMUM       1991-06-19 1991-03-19 1991-01-23 1991-01-23 1992-07-29
 10TH PERCENTILE             0.00       0.03        98.        9.0         0.
 MEDIAN                      0.01       0.09       101.       10.7         0.
 90TH PERCENTILE             0.01       0.14       105.       12.0         0.
 MAXIMUM                     0.02       0.35       106.       12.6         0.
 DATE OF MAXIMUM       1992-08-26 1992-10-21 1993-09-22 1991-07-24 1992-11-25
 STANDARD DEVIATION          0.00       0.06         3.        1.1         0.



                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         7.8      0.002      0.035      107.7        58.
 MINIMUM                      7.5      0.000      0.002       36.5         0.
 DATE OF MINIMUM       1992-10-21 1991-05-23 1991-03-19 1992-04-29 1991-05-23
 10TH PERCENTILE              7.7      0.000      0.003       47.0         0.
 MEDIAN                       7.8      0.001      0.011       85.5        75.
 90TH PERCENTILE              8.0      0.003      0.105      178.0       100.
 MAXIMUM                      8.2      0.006      0.380      513.0       100.
 DATE OF MAXIMUM       1991-03-19 1992-08-26 1992-10-21 1992-10-21 1991-04-25
 STANDARD DEVIATION           0.1      0.001      0.068       84.3        42.





 STATION - OPIHI AT WAIPOPO                         STATION NO. 017062
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 44/16/11  LONG. 171/19/25  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-10 TO 1993-12-15

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        50.9       10.9        0.7        2.8        0.6
 MINIMUM                     14.0        0.0        0.0        0.8        0.0
 DATE OF MINIMUM       1992-05-14 1992-03-12 1991-01-10 1992-05-14 1992-03-12
 10TH PERCENTILE             18.0        1.6        0.0        1.0        0.1
 MEDIAN                      36.5        7.5        0.0        2.1        0.4
 90TH PERCENTILE             97.5       24.1        2.0        5.6        1.3
 MAXIMUM                    203.0       48.0        5.0       11.0        2.6
 DATE OF MAXIMUM       1992-11-19 1992-11-19 1993-11-18 1992-11-19 1992-11-19
 STANDARD DEVIATION          44.5       11.4        1.2        2.5        0.6




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         72.       10.7        3.7        3.8      0.327
 MINIMUM                      59.        3.9        0.1        0.2      0.068
 DATE OF MINIMUM       1993-12-15 1992-07-16 1992-11-19 1991-07-18 1991-04-18
 10TH PERCENTILE              63.        5.1        0.4        0.3      0.120
 MEDIAN                       72.       10.4        3.8        0.5      0.222
 90TH PERCENTILE              81.       16.2        6.7        3.4      0.681
 MAXIMUM                     100.       17.0        9.8       57.0      1.105
 DATE OF MAXIMUM       1992-07-16 1992-01-16 1993-08-12 1991-08-15 1992-09-17
 STANDARD DEVIATION            8.        4.1        2.3       11.8      0.246




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        0.01       0.48        96.       10.7         0.
 MINIMUM                     0.00       0.10        75.        7.3         0.
 DATE OF MINIMUM       1991-01-10 1992-04-15 1992-02-13 1992-02-13 1993-06-17
 10TH PERCENTILE             0.00       0.18        88.        8.8         0.
 MEDIAN                      0.01       0.39        97.       11.0         0.
 90TH PERCENTILE             0.01       0.89       101.       12.6         1.
 MAXIMUM                     0.02       1.33       104.       13.3         1.
 DATE OF MAXIMUM       1992-01-16 1992-09-17 1992-05-14 1992-07-16 1992-02-13
 STANDARD DEVIATION          0.00       0.29         6.        1.5         0.




                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         7.5      0.004      0.013       14.2        58.
 MINIMUM                      7.2      0.001      0.003        0.6         0.
 DATE OF MINIMUM       1993-10-14 1991-06-13 1991-04-18 1992-04-15 1991-06-13
 10TH PERCENTILE              7.3      0.002      0.004        1.6         0.
 MEDIAN                       7.5      0.004      0.007       10.0        81.
 90TH PERCENTILE              7.6      0.005      0.018       25.6       100.
 MAXIMUM                      7.6      0.006      0.120       96.0       100.
 DATE OF MAXIMUM       1992-04-15 1992-03-12 1991-08-15 1992-11-19 1991-03-14
 STANDARD DEVIATION           0.1      0.001      0.022       17.7        44.





 STATION - OPIHI AT ROCKWOOD                        STATION NO. 017063
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 44/10/11  LONG. 170/56/31  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-10 TO 1993-12-15

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        64.3       12.3        0.3        3.7        0.7
 MINIMUM                     27.0        3.0        0.0        1.6        0.2
 DATE OF MINIMUM       1991-07-18 1991-07-18 1991-01-10 1991-07-18 1991-07-18
 10TH PERCENTILE             31.0        5.0        0.0        1.8        0.3
 MEDIAN                      46.5        8.5        0.0        2.5        0.4
 90TH PERCENTILE            133.5       28.1        1.0        7.6        1.5
 MAXIMUM                    195.0       42.0        3.0       11.0        2.4
 DATE OF MAXIMUM       1991-08-15 1993-12-15 1993-11-18 1992-10-15 1993-12-15
 STANDARD DEVIATION          45.2       10.7        0.7        2.6        0.6




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         75.        8.4        3.4        3.9      0.540
 MINIMUM                      62.        0.5        0.1        0.3      0.230
 DATE OF MINIMUM       1991-08-15 1992-07-16 1992-11-19 1992-03-12 1992-03-12
 10TH PERCENTILE              70.        3.9        0.3        0.3      0.280
 MEDIAN                       76.        7.7        3.5        0.5      0.452
 90TH PERCENTILE              79.       13.9        5.4        6.5      0.802
 MAXIMUM                      88.       15.0        7.1       50.0      1.510
 DATE OF MAXIMUM       1992-09-17 1992-02-13 1992-05-14 1992-11-19 1992-09-17
 STANDARD DEVIATION            5.        3.9        1.8       11.3      0.277




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        0.01       0.68       101.       11.5         0.
 MINIMUM                     0.00       0.32        96.        9.5         0.
 DATE OF MINIMUM       1991-05-16 1991-05-16 1991-03-14 1991-02-14 1992-11-19
 10TH PERCENTILE             0.00       0.37        97.        9.9         0.
 MEDIAN                      0.01       0.59       102.       11.6         0.
 90TH PERCENTILE             0.01       0.95       103.       12.8         1.
 MAXIMUM                     0.02       1.67       104.       13.9         1.
 DATE OF MAXIMUM       1991-08-15 1992-09-17 1993-01-21 1992-07-16 1992-02-13
 STANDARD DEVIATION          0.00       0.30         2.        1.1         0.




                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         7.7      0.003      0.015        4.7        59.
 MINIMUM                      7.5      0.000      0.002        0.8         0.
 DATE OF MINIMUM       1991-08-15 1991-06-13 1991-05-16 1992-03-12 1991-06-13
 10TH PERCENTILE              7.5      0.001      0.003        1.1         0.
 MEDIAN                       7.8      0.003      0.007        2.6        81.
 90TH PERCENTILE              7.9      0.006      0.026       10.1       100.
 MAXIMUM                      8.0      0.010      0.135       27.1       100.
 DATE OF MAXIMUM       1992-04-15 1992-11-19 1992-11-19 1992-11-19 1991-03-14
 STANDARD DEVIATION           0.1      0.002      0.030        5.5        44.





 STATION - OPUHA AT SKIPTON BRIDGE                  STATION NO. 017064
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 44/04/49  LONG. 170/58/45  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-10 TO 1993-12-15

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        54.5       11.6        0.4        3.1        0.6
 MINIMUM                     23.0        2.0        0.0        1.3        0.1
 DATE OF MINIMUM       1993-05-13 1993-05-13 1991-01-10 1993-05-13 1993-05-13
 10TH PERCENTILE             26.6        3.6        0.0        1.6        0.2
 MEDIAN                      37.0        8.0        0.0        2.0        0.4
 90TH PERCENTILE             98.5       22.6        1.3        5.5        1.2
 MAXIMUM                    292.0       73.0        5.0       17.0        4.1
 DATE OF MAXIMUM       1993-12-15 1993-12-15 1993-11-18 1993-12-15 1993-12-15
 STANDARD DEVIATION          50.3       12.7        1.1        2.9        0.7




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         43.        7.5        3.0        3.6      0.200
 MINIMUM                      30.        0.1        0.2        0.2      0.053
 DATE OF MINIMUM       1991-12-12 1992-07-16 1993-12-15 1991-07-18 1991-12-12
 10TH PERCENTILE              35.        2.6        0.3        0.3      0.065
 MEDIAN                       42.        6.9        3.1        0.5      0.135
 90TH PERCENTILE              50.       13.3        5.4        9.9      0.388
 MAXIMUM                      53.       15.0        6.8       30.0      0.880
 DATE OF MAXIMUM       1992-09-17 1992-02-13 1993-08-12 1991-08-15 1992-09-17
 STANDARD DEVIATION            6.        4.0        2.0        7.5      0.174




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        0.01       0.30       100.       11.6         0.
 MINIMUM                     0.00       0.09        90.        8.8         0.
 DATE OF MINIMUM       1991-01-10 1991-12-12 1992-03-12 1992-03-12 1992-11-19
 10TH PERCENTILE             0.00       0.12        94.        9.5         0.
 MEDIAN                      0.01       0.21       100.       11.7         0.
 90TH PERCENTILE             0.01       0.53       103.       13.0         0.
 MAXIMUM                     0.01       1.01       106.       14.2         2.
 DATE OF MAXIMUM       1991-08-15 1992-09-17 1991-09-12 1992-07-16 1993-12-15
 STANDARD DEVIATION          0.00       0.20         3.        1.3         0.




                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         7.5      0.001      0.009        8.9        56.
 MINIMUM                      7.4      0.000      0.000        1.2         0.
 DATE OF MINIMUM       1991-08-15 1991-06-13 1992-05-14 1992-03-12 1991-06-13
 10TH PERCENTILE              7.4      0.000      0.002        2.1         0.
 MEDIAN                       7.5      0.001      0.004        6.1        75.
 90TH PERCENTILE              7.6      0.002      0.022       18.8       100.
 MAXIMUM                      7.7      0.010      0.064       34.3       100.
 DATE OF MAXIMUM       1993-09-16 1993-12-15 1991-08-15 1992-11-19 1991-07-18
 STANDARD DEVIATION           0.1      0.002      0.014        7.6        43.





 STATION - WAITAKI AT KUROW                         STATION NO. 017065
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 44/42/07  LONG. 170/27/04  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-10 TO 1993-12-15

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       35         35         35         36         36
 MEAN                        20.5        6.6        0.5        1.1        0.3
 MINIMUM                      5.0        0.0        0.0        0.0        0.0
 DATE OF MINIMUM       1991-07-18 1991-07-18 1991-01-10 1993-05-13 1991-07-18
 10TH PERCENTILE             10.5        2.0        0.0        0.3        0.0
 MEDIAN                      16.0        5.0        0.0        0.9        0.3
 90TH PERCENTILE             42.0       13.5        2.5        2.0        0.6
 MAXIMUM                     53.0       25.0        3.0        3.1        1.4
 DATE OF MAXIMUM       1993-12-15 1993-12-15 1991-11-14 1993-12-15 1993-12-15
 STANDARD DEVIATION          12.4        5.3        1.1        0.7        0.3




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         57.       10.8        1.1        6.4      0.012
 MINIMUM                      52.        4.0        0.3        0.8      0.001
 DATE OF MINIMUM       1992-11-19 1991-07-18 1991-07-18 1993-02-18 1993-03-18
 10TH PERCENTILE              54.        5.2        0.4        1.4      0.002
 MEDIAN                       57.       10.9        0.9        5.1      0.012
 90TH PERCENTILE              58.       16.1        2.2       13.9      0.023
 MAXIMUM                      59.       18.5        3.7       17.5      0.030
 DATE OF MAXIMUM       1993-05-13 1992-01-16 1993-02-18 1991-08-15 1991-07-18
 STANDARD DEVIATION            2.        4.3        0.7        4.6      0.008




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         35         35         36
 MEAN                        0.01       0.06       104.       11.3         0.
 MINIMUM                     0.00       0.03        90.        9.4         0.
 DATE OF MINIMUM       1993-04-15 1991-02-14 1992-06-18 1991-02-14 1992-06-18
 10TH PERCENTILE             0.00       0.04        99.       10.0         0.
 MEDIAN                      0.00       0.05       104.       11.0         0.
 90TH PERCENTILE             0.01       0.09       108.       12.9         0.
 MAXIMUM                     0.02       0.22       111.       13.2         1.
 DATE OF MAXIMUM       1991-08-15 1993-07-15 1992-01-16 1992-08-13 1993-10-14
 STANDARD DEVIATION          0.00       0.03         4.        1.2         0.




                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         7.9      0.001      0.006      337.8        45.
 MINIMUM                      7.6      0.000      0.002      130.0         0.
 DATE OF MINIMUM       1992-06-18 1991-06-13 1992-07-16 1992-06-18 1991-06-13
 10TH PERCENTILE              7.7      0.000      0.003      161.8         0.
 MEDIAN                       7.9      0.001      0.007      329.6        44.
 90TH PERCENTILE              8.2      0.001      0.009      481.9       100.
 MAXIMUM                      8.6      0.002      0.013      563.6       100.
 DATE OF MAXIMUM       1992-01-16 1991-04-18 1991-08-15 1993-09-16 1991-07-18
 STANDARD DEVIATION           0.2      0.001      0.003      113.8        40.





 STATION - HAKATARAMEA ABOVE MH BRIDGE              STATION NO. 017066
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 44/43/34  LONG. 170/29/24  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-10 TO 1993-12-15

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        47.5       12.0        0.7        2.6        0.6
 MINIMUM                     15.0        0.0        0.0        0.9        0.0
 DATE OF MINIMUM       1991-07-18 1992-03-12 1991-01-10 1991-07-18 1992-03-12
 10TH PERCENTILE             21.6        2.0        0.0        1.2        0.1
 MEDIAN                      37.5        9.5        0.0        2.2        0.5
 90TH PERCENTILE             75.2       24.0        3.0        4.2        1.1
 MAXIMUM                    152.0       29.0        3.0        8.7        1.7
 DATE OF MAXIMUM       1991-08-15 1992-11-19 1992-07-16 1991-08-15 1992-11-19
 STANDARD DEVIATION          31.8        8.1        1.1        1.8        0.4




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         74.       11.8        4.8        1.7      0.017
 MINIMUM                      58.        4.4        0.2        0.2      0.001
 DATE OF MINIMUM       1991-08-15 1992-07-16 1991-08-15 1993-10-14 1993-05-13
 10TH PERCENTILE              64.        5.7        1.9        0.2      0.003
 MEDIAN                       73.       11.8        4.6        0.4      0.013
 90TH PERCENTILE              86.       17.1        8.1        1.2      0.033
 MAXIMUM                      91.       20.0        9.3       37.0      0.076
 DATE OF MAXIMUM       1992-04-15 1992-01-16 1993-12-15 1991-08-15 1991-08-15
 STANDARD DEVIATION            8.        4.3        2.3        6.1      0.016




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         35         35         36
 MEAN                        0.01       0.12       106.       11.3         0.
 MINIMUM                     0.00       0.04        94.        9.1         0.
 DATE OF MINIMUM       1993-04-15 1991-07-18 1992-06-18 1992-12-17 1993-06-17
 10TH PERCENTILE             0.00       0.07        99.        9.5         0.
 MEDIAN                      0.01       0.11       105.       11.1         0.
 90TH PERCENTILE             0.01       0.19       114.       13.5         1.
 MAXIMUM                     0.01       0.38       118.       14.1         1.
 DATE OF MAXIMUM       1991-03-14 1992-11-19 1992-08-13 1992-08-13 1992-02-13
 STANDARD DEVIATION          0.00       0.07         6.        1.4         0.




                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         7.9      0.003      0.008        4.9        47.
 MINIMUM                      7.4      0.001      0.002        0.8         0.
 DATE OF MINIMUM       1992-06-18 1992-08-13 1992-08-13 1992-04-15 1991-06-13
 10TH PERCENTILE              7.6      0.002      0.004        1.0         0.
 MEDIAN                       7.9      0.003      0.005        2.6        38.
 90TH PERCENTILE              8.4      0.005      0.010       13.2       100.
 MAXIMUM                      8.8      0.008      0.071       28.0       100.
 DATE OF MAXIMUM       1992-08-13 1991-08-15 1991-08-15 1992-11-19 1991-04-18
 STANDARD DEVIATION           0.3      0.001      0.011        6.3        40.





 STATION - WAITAKI AT SHI BRIDGE                    STATION NO. 017067
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 44/55/43  LONG. 171/06/01  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-10 TO 1993-12-15

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       34         34         34         36         36
 MEAN                        21.4        5.7        0.3        1.1        0.3
 MINIMUM                      8.0        0.0        0.0        0.0        0.0
 DATE OF MINIMUM       1993-01-21 1992-03-12 1991-01-10 1993-05-13 1992-03-12
 10TH PERCENTILE             11.4        1.4        0.0        0.5        0.0
 MEDIAN                      17.5        5.5        0.0        1.0        0.3
 90TH PERCENTILE             34.6       11.2        1.0        1.7        0.5
 MAXIMUM                     69.0       15.0        3.0        3.8        0.8
 DATE OF MAXIMUM       1992-09-17 1992-08-13 1992-08-13 1992-09-17 1992-11-19
 STANDARD DEVIATION          12.1        3.9        0.7        0.7        0.2




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         65.       10.5        0.9        5.5      0.094
 MINIMUM                      58.        3.7        0.2        1.5      0.026
 DATE OF MINIMUM       1993-07-15 1992-07-16 1991-10-17 1993-12-15 1993-06-17
 10TH PERCENTILE              59.        4.8        0.3        2.0      0.028
 MEDIAN                       62.       10.8        0.7        4.4      0.047
 90TH PERCENTILE              66.       15.8        1.9        9.1      0.112
 MAXIMUM                     149.       17.7        2.8       16.0      1.100
 DATE OF MAXIMUM       1992-09-17 1992-01-16 1992-01-16 1991-05-16 1992-09-17
 STANDARD DEVIATION           15.        4.0        0.6        3.6      0.179




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        0.01       0.16       102.       11.4         0.
 MINIMUM                     0.00       0.05        96.        9.6         0.
 DATE OF MINIMUM       1991-05-16 1991-07-18 1991-12-12 1992-01-16 1992-10-15
 10TH PERCENTILE             0.00       0.07        98.        9.9         0.
 MEDIAN                      0.01       0.12       102.       11.2         0.
 90TH PERCENTILE             0.01       0.21       106.       12.8         1.
 MAXIMUM                     0.01       1.30       110.       14.2         1.
 DATE OF MAXIMUM       1992-12-17 1992-09-17 1991-09-12 1992-07-16 1991-11-14
 STANDARD DEVIATION          0.00       0.20         3.        1.2         0.




                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         7.7      0.001      0.009      355.8        55.
 MINIMUM                      7.4      0.000      0.001      135.0         0.
 DATE OF MINIMUM       1991-11-14 1991-06-13 1993-12-15 1992-06-18 1991-06-13
 10TH PERCENTILE              7.5      0.000      0.003      205.0         0.
 MEDIAN                       7.6      0.001      0.007      360.0        75.
 90TH PERCENTILE              7.7      0.002      0.014      476.5       100.
 MAXIMUM                      8.3      0.010      0.023      550.0       100.
 DATE OF MAXIMUM       1992-09-17 1992-09-17 1992-09-17 1993-09-16 1991-03-14
 STANDARD DEVIATION           0.1      0.002      0.005      102.3        42.





 STATION - CLUTHA AT LUGGATE BRIDGE                 STATION NO. 017068
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 45/38/51  LONG. 169/19/53  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-16 TO 1993-12-15

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       34         34         34         36         36
 MEAN                        14.0        4.2        0.3        0.7        0.2
 MINIMUM                      3.0        0.0        0.0        0.0        0.0
 DATE OF MINIMUM       1992-07-15 1992-03-18 1991-01-16 1993-05-12 1992-03-18
 10TH PERCENTILE              4.8        0.0        0.0        0.2        0.0
 MEDIAN                      10.0        2.5        0.0        0.5        0.1
 90TH PERCENTILE             19.6        6.0        0.6        1.1        0.3
 MAXIMUM                    116.0       42.0        6.0        5.9        1.8
 DATE OF MAXIMUM       1992-11-18 1992-11-18 1992-11-18 1992-11-18 1992-11-18
 STANDARD DEVIATION          18.8        7.0        1.1        0.9        0.3




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         66.       12.2        5.8        0.8      0.033
 MINIMUM                      58.        8.5        0.4        0.2      0.021
 DATE OF MINIMUM       1991-07-23 1993-08-18 1991-08-14 1993-11-17 1993-03-17
 10TH PERCENTILE              61.        8.8        1.6        0.3      0.024
 MEDIAN                       67.       11.9        5.9        0.4      0.030
 90TH PERCENTILE              70.       15.7        8.1        1.1      0.044
 MAXIMUM                      70.       17.1        9.4        5.8      0.057
 DATE OF MAXIMUM       1993-12-15 1992-01-16 1991-06-12 1991-08-14 1991-08-14
 STANDARD DEVIATION            3.        2.7        2.3        1.2      0.008




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        0.00       0.07       104.       10.8         0.
 MINIMUM                     0.00       0.04        98.        9.8         0.
 DATE OF MINIMUM       1991-05-15 1991-07-23 1991-09-17 1992-01-16 1992-06-17
 10TH PERCENTILE             0.00       0.05       101.        9.9         0.
 MEDIAN                      0.00       0.07       104.       10.9         0.
 90TH PERCENTILE             0.01       0.09       106.       11.5         0.
 MAXIMUM                     0.01       0.12       110.       11.7         0.
 DATE OF MAXIMUM       1992-09-16 1991-08-14 1993-11-17 1993-09-15 1993-02-16
 STANDARD DEVIATION          0.00       0.02         2.        0.6         0.



                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         8.0      0.000      0.004      247.3        51.
 MINIMUM                      7.8      0.000      0.000      113.0         0.
 DATE OF MINIMUM       1991-08-14 1991-04-17 1992-07-15 1992-03-18 1991-02-13
 10TH PERCENTILE              7.8      0.000      0.002      136.4         0.
 MEDIAN                       8.0      0.000      0.002      228.5        69.
 90TH PERCENTILE              8.2      0.001      0.005      380.0       100.
 MAXIMUM                      8.6      0.003      0.027      600.0       100.
 DATE OF MAXIMUM       1993-12-15 1991-01-16 1991-10-16 1993-06-16 1991-09-17
 STANDARD DEVIATION           0.2      0.001      0.005      101.4        40.





 STATION - KAWARAU AT CHARDS                        STATION NO. 017069
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 45/00/29  LONG. 168/52/06  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-16 TO 1993-12-15

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       35         35         35         36         36
 MEAN                        14.5        3.9        0.2        0.8        0.2
 MINIMUM                      3.0        0.0        0.0        0.0        0.0
 DATE OF MINIMUM       1991-12-18 1991-01-16 1991-01-16 1993-12-15 1991-01-16
 10TH PERCENTILE              5.0        0.0        0.0        0.3        0.0
 MEDIAN                       9.0        2.0        0.0        0.5        0.1
 90TH PERCENTILE             33.0        9.5        1.0        1.7        0.4
 MAXIMUM                     71.0       23.0        3.0        4.1        1.3
 DATE OF MAXIMUM       1991-08-14 1991-08-14 1991-10-16 1991-08-14 1991-08-14
 STANDARD DEVIATION          15.1        5.4        0.6        0.8        0.3




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         67.       11.0        1.8        6.9      0.019
 MINIMUM                      61.        5.8        0.1        0.4      0.009
 DATE OF MINIMUM       1991-01-16 1992-07-15 1991-10-16 1993-03-17 1992-03-18
 10TH PERCENTILE              62.        7.1        0.2        0.5      0.011
 MEDIAN                       67.       10.4        1.8        1.3      0.018
 90TH PERCENTILE              72.       14.9        2.9        5.7      0.028
 MAXIMUM                      76.       16.4        5.2       95.0      0.038
 DATE OF MAXIMUM       1991-07-23 1991-02-13 1992-06-17 1991-10-16 1992-08-12
 STANDARD DEVIATION            3.        3.1        1.1       20.3      0.008




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        0.01       0.07       102.       10.8         0.
 MINIMUM                     0.00       0.02        98.        9.7         0.
 DATE OF MINIMUM       1991-05-15 1993-11-17 1992-07-15 1991-02-13 1992-06-17
 10TH PERCENTILE             0.00       0.03        99.        9.9         0.
 MEDIAN                      0.00       0.06       102.       10.9         0.
 90TH PERCENTILE             0.01       0.09       105.       11.5         0.
 MAXIMUM                     0.01       0.25       108.       12.0         1.
 DATE OF MAXIMUM       1992-09-16 1993-10-13 1991-12-18 1991-07-23 1993-10-13
 STANDARD DEVIATION          0.00       0.04         2.        0.6         0.




                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         7.9      0.001      0.040      197.8        54.
 MINIMUM                      7.7      0.000      0.002       61.9         0.
 DATE OF MINIMUM       1992-07-15 1991-06-12 1993-11-17 1992-06-17 1991-02-13
 10TH PERCENTILE              7.8      0.000      0.004       92.7         0.
 MEDIAN                       7.9      0.000      0.011      183.0        62.
 90TH PERCENTILE              8.0      0.001      0.047      323.8       100.
 MAXIMUM                      8.4      0.003      0.495      386.0       100.
 DATE OF MAXIMUM       1991-08-14 1993-02-16 1991-10-16 1992-11-18 1991-09-17
 STANDARD DEVIATION           0.1      0.001      0.095       85.2        40.





 STATION - SHOTOVER AT BOWENS PEAK                  STATION NO. 017070
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 44/59/28  LONG. 168/42/53  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-16 TO 1993-12-15

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       35         35         35         36         36
 MEAN                        24.9        6.5        0.4        1.4        0.3
 MINIMUM                      8.0        0.0        0.0        0.0        0.0
 DATE OF MINIMUM       1991-03-13 1991-06-12 1991-01-16 1993-12-15 1991-06-12
 10TH PERCENTILE              8.0        1.5        0.0        0.5        0.1
 MEDIAN                      16.0        4.0        0.0        0.9        0.2
 90TH PERCENTILE             48.0       13.5        1.0        2.7        0.7
 MAXIMUM                    102.0       26.0        2.0        5.9        1.5
 DATE OF MAXIMUM       1991-08-14 1991-08-14 1993-04-14 1991-08-14 1991-08-14
 STANDARD DEVIATION          21.3        5.8        0.6        1.2        0.3




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         98.        7.9        0.7       12.0      0.015
 MINIMUM                      66.        0.2        0.0        0.6      0.004
 DATE OF MINIMUM       1991-10-16 1992-07-15 1991-10-16 1992-05-13 1993-11-17
 10TH PERCENTILE              78.        2.4        0.1        0.8      0.006
 MEDIAN                       98.        7.2        0.5        3.7      0.013
 90TH PERCENTILE             116.       14.0        1.2       25.9      0.029
 MAXIMUM                     121.       16.1        2.5      110.0      0.033
 DATE OF MAXIMUM       1992-05-13 1991-02-13 1992-07-15 1991-10-16 1991-08-14
 STANDARD DEVIATION           14.        4.3        0.6       23.7      0.008




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                        0.00       0.06       102.       11.7         0.
 MINIMUM                     0.00       0.01        98.        9.5         0.
 DATE OF MINIMUM       1991-05-15 1992-05-13 1991-09-17 1991-02-13 1992-04-15
 10TH PERCENTILE             0.00       0.02       101.       10.1         0.
 MEDIAN                      0.00       0.05       102.       11.9         0.
 90TH PERCENTILE             0.01       0.10       104.       13.0         0.
 MAXIMUM                     0.01       0.28       105.       13.9         1.
 DATE OF MAXIMUM       1991-11-13 1991-08-14 1991-10-16 1992-07-15 1993-02-16
 STANDARD DEVIATION          0.00       0.05         1.        1.1         0.




                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       36         36         36         36         36
 MEAN                         7.9      0.001      0.094       37.0        51.
 MINIMUM                      7.8      0.000      0.003       11.0         0.
 DATE OF MINIMUM       1993-08-18 1991-06-12 1993-11-17 1992-05-13 1991-06-12
 10TH PERCENTILE              7.8      0.000      0.004       13.6         0.
 MEDIAN                       7.9      0.000      0.021       28.6        56.
 90TH PERCENTILE              8.0      0.002      0.157       60.4       100.
 MAXIMUM                      8.1      0.003      1.325      144.0       100.
 DATE OF MAXIMUM       1991-03-13 1991-04-17 1991-10-16 1991-10-16 1991-05-15
 STANDARD DEVIATION           0.1      0.001      0.242       27.7        40.





 STATION - CLUTHA AT MILLERS FLAT                   STATION NO. 017071
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 45/29/00  LONG. 169/19/03  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-16 TO 1993-12-15

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       34         34         34         35         35
 MEAN                        28.6        7.5        0.4        1.6        0.4
 MINIMUM                      8.0        1.0        0.0        0.0        0.0
 DATE OF MINIMUM       1991-01-16 1991-06-12 1991-01-16 1993-12-15 1993-12-15
 10TH PERCENTILE             12.4        2.4        0.0        0.6        0.1
 MEDIAN                      20.5        5.5        0.0        1.2        0.3
 90TH PERCENTILE             48.6       13.6        1.0        2.7        0.7
 MAXIMUM                    118.0       30.0        2.0        6.7        1.6
 DATE OF MAXIMUM       1992-08-12 1992-08-12 1993-11-17 1992-08-12 1992-08-12
 STANDARD DEVIATION          21.9        5.8        0.6        1.2        0.3




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       35         35         35         35         35
 MEAN                         71.       11.4        1.6        3.6      0.040
 MINIMUM                      64.        4.7        0.2        0.5      0.017
 DATE OF MINIMUM       1993-10-13 1992-07-15 1992-11-18 1993-11-17 1993-12-15
 10TH PERCENTILE              66.        7.3        0.4        0.7      0.021
 MEDIAN                       70.       11.1        1.6        2.0      0.036
 90TH PERCENTILE              77.       16.1        2.7        7.7      0.058
 MAXIMUM                      81.       17.1        3.5       18.0      0.130
 DATE OF MAXIMUM       1993-04-14 1992-01-16 1991-06-12 1992-11-18 1992-08-12
 STANDARD DEVIATION            4.        3.5        0.8        3.9      0.020




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       35         35         35         35         35
 MEAN                        0.01       0.10       101.       10.9         0.
 MINIMUM                     0.00       0.04        98.        9.6         0.
 DATE OF MINIMUM       1992-01-16 1991-02-13 1993-04-14 1992-01-16 1991-10-16
 10TH PERCENTILE             0.00       0.05        98.        9.9         0.
 MEDIAN                      0.01       0.09       101.       10.8         0.
 90TH PERCENTILE             0.01       0.14       104.       11.9         0.
 MAXIMUM                     0.01       0.31       107.       12.6         1.
 DATE OF MAXIMUM       1992-08-12 1992-08-12 1991-09-17 1992-07-15 1993-02-16
 STANDARD DEVIATION          0.00       0.05         2.        0.8         0.




                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       35         35         35         35         35
 MEAN                         7.7      0.001      0.011      454.1        68.
 MINIMUM                      7.5      0.000      0.003      100.0         0.
 DATE OF MINIMUM       1993-02-16 1991-01-16 1991-04-17 1992-03-18 1991-12-18
 10TH PERCENTILE              7.6      0.000      0.004      189.0         0.
 MEDIAN                       7.8      0.001      0.007      441.6        88.
 90TH PERCENTILE              7.9      0.002      0.025      762.7       100.
 MAXIMUM                      7.9      0.004      0.041      962.8       100.
 DATE OF MAXIMUM       1992-03-18 1992-08-12 1991-08-14 1993-06-16 1991-09-17
 STANDARD DEVIATION           0.1      0.001      0.009      228.0        39.





 STATION - TAIERI AT TIROITI                        STATION NO. 017072
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 45/15/29  LONG. 170/16/20  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-10 TO 1993-12-16

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                       226.3       45.5        1.2       12.8        2.5
 MINIMUM                    136.0       25.0        0.0        7.6        1.3
 DATE OF MINIMUM       1993-05-13 1993-05-13 1991-02-14 1993-07-08 1993-07-08
 10TH PERCENTILE            155.7       30.8        0.0        8.9        1.7
 MEDIAN                     206.0       41.0        1.0       12.0        2.3
 90TH PERCENTILE            329.9       72.0        3.0       18.1        3.7
 MAXIMUM                    419.0       84.0        5.0       24.0        4.8
 DATE OF MAXIMUM       1992-03-05 1992-03-05 1993-08-05 1992-03-05 1992-03-05
 STANDARD DEVIATION          70.9       14.9        1.4        4.0        0.8




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                         83.        7.9        0.9        5.8      0.028
 MINIMUM                      46.       -0.7        0.1        0.8      0.003
 DATE OF MINIMUM       1992-03-05 1992-07-02 1992-11-19 1991-12-12 1991-02-14
 10TH PERCENTILE              54.        0.7        0.3        2.0      0.005
 MEDIAN                       80.        7.4        0.8        3.5      0.027
 90TH PERCENTILE             108.       14.4        1.5        7.8      0.057
 MAXIMUM                     124.       17.2        2.6       40.0      0.090
 DATE OF MAXIMUM       1993-03-18 1992-01-09 1991-02-14 1992-11-19 1992-09-24
 STANDARD DEVIATION           20.        5.2        0.6        7.6      0.021




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       38         39         39         39         39
 MEAN                        0.01       0.32        98.       11.4         1.
 MINIMUM                     0.00       0.16        92.        9.0         0.
 DATE OF MINIMUM       1991-05-30 1993-05-13 1992-10-22 1992-01-09 1992-08-27
 10TH PERCENTILE             0.00       0.17        95.        9.6         0.
 MEDIAN                      0.01       0.29        98.       11.1         1.
 90TH PERCENTILE             0.01       0.41       100.       13.2         1.
 MAXIMUM                     0.02       1.17       102.       14.0         2.
 DATE OF MAXIMUM       1993-07-08 1992-11-19 1993-09-02 1992-07-02 1991-01-10
 STANDARD DEVIATION          0.00       0.16         2.        1.5         1.



                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                         7.5      0.013      0.041       13.8        55.
 MINIMUM                      7.1      0.005      0.018        1.7         0.
 DATE OF MINIMUM       1992-10-22 1991-05-30 1991-05-30 1991-01-10 1991-03-07
 10TH PERCENTILE              7.3      0.005      0.023        2.2         0.
 MEDIAN                       7.5      0.011      0.036        8.9        62.
 90TH PERCENTILE              7.8      0.023      0.059       29.6       100.
 MAXIMUM                      8.0      0.035      0.098       64.6       100.
 DATE OF MAXIMUM       1993-10-28 1992-05-07 1992-10-22 1992-10-22 1991-02-14
 STANDARD DEVIATION           0.2      0.007      0.019       13.7        46.





 STATION - SUTTON AT SH87                           STATION NO. 017073
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 45/35/51  LONG. 170/05/37  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-10 TO 1993-12-16

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                       264.1       53.4        1.5       15.0        2.9
 MINIMUM                     68.0       13.0        0.0        3.9        0.8
 DATE OF MINIMUM       1993-03-18 1993-03-18 1991-01-10 1993-03-18 1993-03-18
 10TH PERCENTILE            153.5       30.6        0.0        8.6        1.6
 MEDIAN                     250.0       51.0        1.0       14.0        2.7
 90TH PERCENTILE            406.8       81.4        4.0       23.2        4.3
 MAXIMUM                    499.0      110.0        6.0       28.0        5.9
 DATE OF MAXIMUM       1992-11-19 1992-11-19 1992-10-22 1992-11-19 1992-11-19
 STANDARD DEVIATION         103.5       21.3        1.5        5.9        1.1




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                         43.        7.2        2.2        1.7      0.012
 MINIMUM                      29.        0.0        0.4        0.5      0.002
 DATE OF MINIMUM       1993-11-25 1991-06-27 1992-10-22 1991-01-10 1993-04-15
 10TH PERCENTILE              32.        0.2        0.9        0.6      0.003
 MEDIAN                       44.        6.1        2.1        1.2      0.008
 90TH PERCENTILE              50.       13.5        3.3        3.5      0.026
 MAXIMUM                      52.       16.5        4.4        6.3      0.059
 DATE OF MAXIMUM       1992-08-27 1992-01-09 1993-04-15 1992-10-22 1992-07-30
 STANDARD DEVIATION            6.        4.8        1.0        1.2      0.013




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                        0.01       0.25        98.       11.8         1.
 MINIMUM                     0.00       0.11        94.        9.3         0.
 DATE OF MINIMUM       1991-05-30 1992-05-07 1993-01-21 1991-02-14 1993-08-05
 10TH PERCENTILE             0.00       0.14        95.        9.7         0.
 MEDIAN                      0.01       0.22        98.       11.9         1.
 90TH PERCENTILE             0.01       0.39       100.       13.5         1.
 MAXIMUM                     0.02       0.54       103.       14.2         2.
 DATE OF MAXIMUM       1991-04-04 1992-10-22 1991-05-02 1991-06-27 1991-01-10
 STANDARD DEVIATION          0.00       0.10         2.        1.5         0.




                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                         7.2      0.006      0.021        1.6        54.
 MINIMUM                      7.0      0.001      0.007        0.3         0.
 DATE OF MINIMUM       1992-06-04 1992-09-24 1992-05-07 1991-02-14 1991-03-07
 10TH PERCENTILE              7.1      0.003      0.012        0.3         0.
 MEDIAN                       7.2      0.004      0.016        0.9        50.
 90TH PERCENTILE              7.3      0.008      0.034        3.2       100.
 MAXIMUM                      7.5      0.046      0.058       10.2       100.
 DATE OF MAXIMUM       1993-08-05 1993-09-30 1993-09-30 1993-01-21 1991-06-27
 STANDARD DEVIATION           0.1      0.008      0.012        2.0        41.





 STATION - TAIERI AT OUTRAM                         STATION NO. 017074
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 45/50/51  LONG. 170/14/38  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-10 TO 1993-12-16

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                       247.0       49.9        1.3       14.0        2.7
 MINIMUM                    129.0       26.0        0.0        7.3        1.1
 DATE OF MINIMUM       1993-05-13 1993-05-13 1991-01-10 1993-05-13 1991-03-07
 10TH PERCENTILE            146.2       28.8        0.0        8.4        1.6
 MEDIAN                     227.0       46.0        1.0       13.0        2.5
 90TH PERCENTILE            331.4       69.3        4.0       19.2        4.0
 MAXIMUM                    530.0      109.0        5.0       30.0        5.9
 DATE OF MAXIMUM       1992-11-19 1992-11-19 1993-08-05 1992-11-19 1992-11-19
 STANDARD DEVIATION          84.6       17.8        1.5        4.8        1.0




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                         73.        9.4        1.1        5.5      0.037
 MINIMUM                      53.        1.3        0.1        0.9      0.007
 DATE OF MINIMUM       1991-12-12 1991-07-25 1992-10-22 1991-03-07 1993-09-02
 10TH PERCENTILE              59.        2.2        0.3        1.5      0.011
 MEDIAN                       72.        9.2        1.0        3.1      0.031
 90TH PERCENTILE              87.       16.1        2.1        7.0      0.074
 MAXIMUM                      97.       18.8        3.2       45.0      0.105
 DATE OF MAXIMUM       1993-03-18 1992-01-09 1991-03-07 1992-11-19 1991-08-22
 STANDARD DEVIATION           11.        5.2        0.7        8.7      0.024




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         38         38         39
 MEAN                        0.01       0.31       103.       11.9         1.
 MINIMUM                     0.00       0.16       100.        9.4         0.
 DATE OF MINIMUM       1991-05-02 1993-05-13 1993-07-08 1992-01-09 1993-08-05
 10TH PERCENTILE             0.00       0.18       101.        9.8         0.
 MEDIAN                      0.01       0.30       103.       11.8         1.
 90TH PERCENTILE             0.01       0.43       106.       13.9         2.
 MAXIMUM                     0.02       0.73       109.       14.2         2.
 DATE OF MAXIMUM       1992-08-27 1992-11-19 1993-09-02 1992-06-04 1991-01-10
 STANDARD DEVIATION          0.00       0.11         2.        1.5         1.



                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                         7.5      0.009      0.036       30.6        59.
 MINIMUM                      7.3      0.004      0.014        5.3         0.
 DATE OF MINIMUM       1992-07-30 1992-07-02 1992-05-07 1991-02-14 1991-05-02
 10TH PERCENTILE              7.3      0.004      0.016        8.1         0.
 MEDIAN                       7.5      0.009      0.030       20.5        75.
 90TH PERCENTILE              7.7      0.013      0.056       57.6       100.
 MAXIMUM                      7.9      0.016      0.145      146.0       100.
 DATE OF MAXIMUM       1993-10-28 1992-01-09 1992-10-22 1992-10-22 1991-06-27
 STANDARD DEVIATION           0.1      0.003      0.026       30.3        40.





 STATION - CLUTHA AT BALCLUTHA                      STATION NO. 017075
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 46/14/18  LONG. 169/44/52  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-09 TO 1993-12-15

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                        61.5       14.6        0.7        3.4        0.8
 MINIMUM                     19.0        3.0        0.0        1.1        0.2
 DATE OF MINIMUM       1991-02-13 1993-05-12 1991-01-09 1991-02-13 1993-05-12
 10TH PERCENTILE             22.0        5.0        0.0        1.3        0.2
 MEDIAN                      45.0       11.0        0.0        2.5        0.5
 90TH PERCENTILE            126.5       28.2        3.0        7.1        1.5
 MAXIMUM                    192.0       58.0        6.0       10.0        2.8
 DATE OF MAXIMUM       1993-11-24 1993-11-24 1993-11-24 1993-11-24 1993-11-24
 STANDARD DEVIATION          42.4       12.1        1.4        2.3        0.6




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                         75.       10.9        1.2        4.4      0.097
 MINIMUM                      67.        4.5        0.1        1.1      0.020
 DATE OF MINIMUM       1991-01-09 1993-09-29 1992-11-18 1991-05-29 1991-12-11
 10TH PERCENTILE              68.        5.6        0.3        1.3      0.028
 MEDIAN                       74.       10.6        1.2        2.6      0.055
 90TH PERCENTILE              85.       15.2        2.1        7.4      0.179
 MAXIMUM                      98.       17.9        3.8       28.0      0.495
 DATE OF MAXIMUM       1992-07-29 1991-02-13 1993-05-12 1991-08-21 1992-07-29
 STANDARD DEVIATION            8.        3.9        0.8        5.1      0.110




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         38         38         39
 MEAN                        0.01       0.19       101.       11.2         0.
 MINIMUM                     0.00       0.06        94.        9.6         0.
 DATE OF MINIMUM       1991-05-29 1991-11-13 1992-10-21 1993-03-17 1991-10-16
 10TH PERCENTILE             0.00       0.08        98.        9.8         0.
 MEDIAN                      0.01       0.14       101.       11.1         0.
 90TH PERCENTILE             0.01       0.36       105.       12.4         1.
 MAXIMUM                     0.02       0.71       107.       13.3         1.
 DATE OF MAXIMUM       1991-08-21 1992-07-29 1991-12-11 1993-09-29 1992-10-21
 STANDARD DEVIATION          0.00       0.15         3.        1.0         0.




                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                         7.8      0.002      0.016      544.7        74.
 MINIMUM                      7.5      0.000      0.002      223.0         0.
 DATE OF MINIMUM       1992-10-21 1991-05-29 1991-05-29 1992-05-06 1991-02-13
 10TH PERCENTILE              7.5      0.001      0.004      311.6         0.
 MEDIAN                       7.8      0.002      0.011      493.0        88.
 90TH PERCENTILE              8.0      0.005      0.033      886.4       100.
 MAXIMUM                      8.2      0.006      0.062     1150.0       100.
 DATE OF MAXIMUM       1991-12-11 1993-01-20 1992-11-18 1992-11-18 1991-05-29
 STANDARD DEVIATION           0.2      0.002      0.014      227.9        36.





 STATION - MATAURA AT SEAWARD DOWNS                 STATION NO. 017076
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 46/23/27  LONG. 168/47/48  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-09 TO 1993-12-15

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                       150.9       32.8        1.4        8.5        1.8
 MINIMUM                     65.0       12.0        0.0        3.6        0.6
 DATE OF MINIMUM       1992-06-03 1992-04-08 1991-02-13 1992-06-03 1992-06-03
 10TH PERCENTILE             73.0       15.8        0.0        4.2        0.8
 MEDIAN                     126.0       28.0        1.0        7.2        1.5
 90TH PERCENTILE            241.2       57.1        3.1       14.1        3.1
 MAXIMUM                    411.0       86.0       10.0       23.0        4.8
 DATE OF MAXIMUM       1992-11-18 1992-11-18 1991-08-21 1992-11-18 1992-11-18
 STANDARD DEVIATION          80.2       18.4        2.0        4.5        1.0




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                         89.        9.4        0.8       15.6      0.848
 MINIMUM                      42.        3.4        0.1        1.9      0.305
 DATE OF MINIMUM       1992-10-21 1991-07-24 1992-11-18 1991-04-03 1992-10-21
 10TH PERCENTILE              69.        4.2        0.1        2.0      0.517
 MEDIAN                       88.        8.8        0.7        4.7      0.865
 90TH PERCENTILE             106.       14.1        1.5       36.1      1.078
 MAXIMUM                     120.       18.3        1.9      200.0      1.370
 DATE OF MAXIMUM       1993-03-17 1992-01-08 1991-03-06 1992-11-18 1991-06-26
 STANDARD DEVIATION           16.        3.9        0.5       34.5      0.226




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         37         37         39
 MEAN                        0.03       1.14        96.       11.0         1.
 MINIMUM                     0.01       0.69        81.        7.4         0.
 DATE OF MINIMUM       1991-11-13 1993-11-24 1992-01-08 1992-01-08 1993-07-07
 10TH PERCENTILE             0.01       0.80        91.        9.4         0.
 MEDIAN                      0.03       1.10        97.       11.0         1.
 90TH PERCENTILE             0.06       1.45       100.       12.3         2.
 MAXIMUM                     0.07       1.91       102.       12.8         3.
 DATE OF MAXIMUM       1993-02-17 1991-08-21 1991-05-01 1992-07-01 1992-11-18
 STANDARD DEVIATION          0.02       0.25         4.        1.3         1.



                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                         7.2      0.014      0.057      107.0        78.
 MINIMUM                      7.0      0.005      0.021       23.2         0.
 DATE OF MINIMUM       1992-07-29 1992-09-23 1991-11-13 1993-03-17 1991-06-26
 10TH PERCENTILE              7.0      0.006      0.023       37.6         0.
 MEDIAN                       7.2      0.012      0.040       82.3        88.
 90TH PERCENTILE              7.3      0.023      0.135      165.8       100.
 MAXIMUM                      7.6      0.028      0.260      470.0       100.
 DATE OF MAXIMUM       1993-11-24 1993-05-12 1992-11-18 1991-08-21 1991-03-06
 STANDARD DEVIATION           0.1      0.006      0.049       93.1        33.





 STATION - MATAURA AT PARAWA                        STATION NO. 017077
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 45/33/36  LONG. 168/33/41  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-09 TO 1993-12-15

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                        63.2       15.4        0.8        3.5        0.8
 MINIMUM                     17.0        3.0        0.0        0.7        0.1
 DATE OF MINIMUM       1992-05-06 1991-03-06 1991-01-09 1992-05-06 1992-05-06
 10TH PERCENTILE             20.0        5.0        0.0        1.2        0.2
 MEDIAN                      51.0       12.0        0.0        2.9        0.7
 90TH PERCENTILE            103.9       26.0        2.1        5.7        1.2
 MAXIMUM                    219.0       62.0        4.0       12.0        3.4
 DATE OF MAXIMUM       1992-11-18 1992-11-18 1993-08-04 1992-11-18 1992-11-18
 STANDARD DEVIATION          43.0       11.8        1.2        2.4        0.6




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                         47.        8.4        1.7        8.0      0.178
 MINIMUM                      29.        3.1        0.1        0.5      0.059
 DATE OF MINIMUM       1991-10-16 1991-08-21 1991-10-16 1991-04-03 1993-05-12
 10TH PERCENTILE              35.        4.9        0.2        0.7      0.070
 MEDIAN                       48.        8.0        1.9        1.8      0.175
 90TH PERCENTILE              54.       12.6        3.1       13.4      0.247
 MAXIMUM                      58.       14.1        4.1      110.0      0.530
 DATE OF MAXIMUM       1991-07-24 1993-03-17 1992-06-02 1992-10-21 1991-08-21
 STANDARD DEVIATION            7.        2.9        1.1       20.5      0.089




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         37         37         39
 MEAN                        0.01       0.26        99.       11.2         0.
 MINIMUM                     0.00       0.12        94.        9.6         0.
 DATE OF MINIMUM       1991-05-29 1992-04-08 1992-06-02 1993-03-17 1993-07-07
 10TH PERCENTILE             0.00       0.16        95.       10.3         0.
 MEDIAN                      0.01       0.25        99.       11.2         0.
 90TH PERCENTILE             0.01       0.33       102.       12.1         1.
 MAXIMUM                     0.02       0.65       104.       12.6         1.
 DATE OF MAXIMUM       1993-01-20 1991-08-21 1991-01-09 1993-09-29 1993-05-12
 STANDARD DEVIATION          0.00       0.10         2.        0.7         0.



                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                         7.2      0.006      0.022       18.6        62.
 MINIMUM                      7.0      0.001      0.005        6.0         0.
 DATE OF MINIMUM       1991-08-21 1991-04-03 1991-04-03 1993-03-17 1991-02-13
 10TH PERCENTILE              7.1      0.003      0.005        7.0         0.
 MEDIAN                       7.2      0.005      0.011       14.4        88.
 90TH PERCENTILE              7.3      0.008      0.046       29.5       100.
 MAXIMUM                      7.5      0.015      0.150       93.5       100.
 DATE OF MAXIMUM       1993-11-24 1992-10-21 1992-10-21 1992-10-21 1991-03-06
 STANDARD DEVIATION           0.1      0.003      0.030       15.5        43.





 STATION - ORETI AT LUMSDEN                         STATION NO. 017078
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 45/43/04  LONG. 168/25/39  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-09 TO 1993-12-15

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                        89.9       18.0        0.7        5.1        1.0
 MINIMUM                     26.0        4.0        0.0        1.5        0.2
 DATE OF MINIMUM       1993-03-17 1993-03-17 1991-02-13 1993-03-17 1993-03-17
 10TH PERCENTILE             35.0        6.0        0.0        2.0        0.3
 MEDIAN                      80.0       15.0        0.0        4.5        0.9
 90TH PERCENTILE            148.5       33.0        2.0        8.4        1.7
 MAXIMUM                    254.0       55.0        4.0       14.0        3.0
 DATE OF MAXIMUM       1992-11-18 1992-11-18 1992-02-05 1992-11-18 1992-11-18
 STANDARD DEVIATION          51.5       11.7        1.0        2.9        0.6




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                         51.        8.8        3.4        7.6      0.268
 MINIMUM                      31.        2.2        0.1        0.3      0.060
 DATE OF MINIMUM       1992-10-21 1991-08-21 1992-10-21 1992-06-02 1992-04-08
 10TH PERCENTILE              42.        3.1        0.3        0.4      0.099
 MEDIAN                       52.        8.2        3.3        1.4      0.225
 90TH PERCENTILE              56.       14.4        6.3       10.3      0.497
 MAXIMUM                      61.       15.8        7.2      180.0      0.660
 DATE OF MAXIMUM       1991-07-24 1992-01-08 1992-05-06 1992-10-21 1991-07-24
 STANDARD DEVIATION            6.        4.0        2.3       28.7      0.157




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         38         38         39
 MEAN                        0.01       0.41        99.       11.2         0.
 MINIMUM                     0.00       0.12        94.        9.2         0.
 DATE OF MINIMUM       1991-05-29 1992-04-08 1991-12-11 1991-02-13 1992-05-06
 10TH PERCENTILE             0.00       0.20        96.        9.5         0.
 MEDIAN                      0.01       0.39        99.       11.1         0.
 90TH PERCENTILE             0.01       0.64       102.       12.8         1.
 MAXIMUM                     0.02       1.46       104.       13.4         1.
 DATE OF MAXIMUM       1991-03-06 1992-11-18 1991-05-01 1992-07-01 1992-10-21
 STANDARD DEVIATION          0.00       0.24         2.        1.2         0.




                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                         7.2      0.003      0.015       32.4        70.
 MINIMUM                      7.1      0.001      0.002        4.4         0.
 DATE OF MINIMUM       1992-09-23 1991-04-03 1992-01-08 1993-03-17 1991-02-13
 10TH PERCENTILE              7.1      0.001      0.003        8.3         0.
 MEDIAN                       7.2      0.002      0.005       25.0        88.
 90TH PERCENTILE              7.3      0.004      0.023       52.9       100.
 MAXIMUM                      7.4      0.005      0.260      186.0       100.
 DATE OF MAXIMUM       1993-11-24 1993-06-09 1992-10-21 1992-10-21 1991-05-29
 STANDARD DEVIATION           0.1      0.001      0.041       32.9        38.





 STATION - ORETI AT RIVERTON HWY BRIDGE             STATION NO. 017079
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 46/19/40  LONG. 168/15/55  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-08 TO 1993-12-14

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                       105.8       22.6        0.9        6.0        1.2
 MINIMUM                     46.0        6.0        0.0        2.6        0.3
 DATE OF MINIMUM       1992-06-30 1992-03-03 1991-02-12 1992-06-30 1992-03-03
 10TH PERCENTILE             47.9        8.0        0.0        2.8        0.5
 MEDIAN                      78.0       17.0        0.0        4.5        0.8
 90TH PERCENTILE            205.4       44.7        2.0       12.0        2.4
 MAXIMUM                    338.0       80.0        8.0       19.0        3.9
 DATE OF MAXIMUM       1991-01-08 1991-08-20 1991-08-20 1991-01-08 1991-01-08
 STANDARD DEVIATION          72.5       17.4        1.5        4.1        0.9




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         38         39         38
 MEAN                         87.       11.2        1.1       14.8      0.670
 MINIMUM                      50.        3.2        0.0        0.9      0.230
 DATE OF MINIMUM       1991-01-08 1992-06-30 1991-01-08 1992-06-02 1991-01-08
 10TH PERCENTILE              68.        5.4        0.1        1.4      0.287
 MEDIAN                       90.       11.2        1.1        3.4      0.533
 90TH PERCENTILE             108.       16.4        2.4       16.6      1.156
 MAXIMUM                     117.       19.8        2.5      200.0      1.440
 DATE OF MAXIMUM       1993-08-03 1992-01-07 1991-06-25 1991-01-08 1991-06-25
 STANDARD DEVIATION           16.        4.3        0.8       40.3      0.340




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       38         38         38         38         39
 MEAN                        0.01       0.89       104.       11.4         0.
 MINIMUM                     0.00       0.35        93.        9.3         0.
 DATE OF MINIMUM       1991-10-15 1991-02-12 1992-07-28 1992-01-07 1993-05-11
 10TH PERCENTILE             0.01       0.40        97.       10.0         0.
 MEDIAN                      0.01       0.77       103.       11.5         0.
 90TH PERCENTILE             0.02       1.50       113.       12.7         1.
 MAXIMUM                     0.04       2.88       123.       14.1         2.
 DATE OF MAXIMUM       1991-08-20 1991-08-20 1991-04-02 1992-06-30 1991-08-20
 STANDARD DEVIATION          0.01       0.49         6.        1.1         0.




                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         38         38         39         39
 MEAN                         7.6      0.006      0.037       41.5        67.
 MINIMUM                      7.1      0.001      0.005        8.0         0.
 DATE OF MINIMUM       1991-08-20 1991-04-02 1992-05-05 1993-03-16 1991-02-12
 10TH PERCENTILE              7.3      0.003      0.007       12.8         0.
 MEDIAN                       7.5      0.005      0.016       29.2       100.
 90TH PERCENTILE              8.0      0.008      0.049       68.3       100.
 MAXIMUM                      8.5      0.014      0.375      243.0       100.
 DATE OF MAXIMUM       1993-03-16 1991-08-20 1991-08-20 1991-08-20 1991-04-02
 STANDARD DEVIATION           0.3      0.003      0.071       42.8        41.





 STATION - WAIAU AT TUATAPERE                       STATION NO. 017080
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 46/07/53  LONG. 167/41/07  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-08 TO 1993-12-14

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                       132.2       28.3        1.0        7.4        1.5
 MINIMUM                     61.0       12.0        0.0        3.5        0.7
 DATE OF MINIMUM       1992-12-15 1992-12-15 1991-02-12 1992-12-15 1992-12-15
 10TH PERCENTILE             76.7       14.0        0.0        4.3        0.8
 MEDIAN                     114.0       23.0        1.0        6.1        1.3
 90TH PERCENTILE            211.0       44.1        2.1       12.0        2.4
 MAXIMUM                    224.0       54.0        5.0       12.0        2.7
 DATE OF MAXIMUM       1992-08-25 1992-08-25 1993-08-03 1991-10-15 1992-08-25
 STANDARD DEVIATION          51.0       12.1        1.3        2.8        0.6




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         38         39         38
 MEAN                         82.       10.6        1.6        6.5      0.134
 MINIMUM                      44.        2.4        0.1        0.6      0.044
 DATE OF MINIMUM       1991-02-12 1992-06-30 1992-10-20 1993-12-14 1991-02-12
 10TH PERCENTILE              59.        5.6        0.4        1.0      0.059
 MEDIAN                       81.        9.7        1.3        2.0      0.127
 90TH PERCENTILE             102.       15.9        3.0        6.9      0.216
 MAXIMUM                     112.       19.4        4.5       57.0      0.260
 DATE OF MAXIMUM       1993-05-11 1992-01-07 1993-05-11 1991-01-08 1991-08-20
 STANDARD DEVIATION           17.        4.2        1.1       13.5      0.057




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       37         38         38         38         39
 MEAN                        0.01       0.28       105.       11.7         1.
 MINIMUM                     0.00       0.13        96.        9.7         0.
 DATE OF MINIMUM       1993-10-26 1992-04-07 1992-10-20 1992-01-07 1993-10-26
 10TH PERCENTILE             0.00       0.17        99.       10.0         0.
 MEDIAN                      0.01       0.25       103.       11.6         0.
 90TH PERCENTILE             0.01       0.40       111.       13.3         1.
 MAXIMUM                     0.02       0.57       129.       15.1         2.
 DATE OF MAXIMUM       1991-08-20 1992-10-20 1991-04-02 1992-06-30 1992-10-20
 STANDARD DEVIATION          0.00       0.10         6.        1.3         0.



                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         38         38         39         39
 MEAN                         7.8      0.002      0.022      115.4        71.
 MINIMUM                      7.3      0.000      0.001       14.8         0.
 DATE OF MINIMUM       1992-10-20 1991-11-12 1992-03-03 1991-04-02 1991-04-30
 10TH PERCENTILE              7.5      0.001      0.005       22.4         0.
 MEDIAN                       7.8      0.002      0.009       69.3       100.
 90TH PERCENTILE              8.1      0.004      0.034      225.8       100.
 MAXIMUM                      8.7      0.006      0.150      640.0       100.
 DATE OF MAXIMUM       1991-04-02 1993-08-03 1992-10-20 1991-08-20 1991-03-05
 STANDARD DEVIATION           0.3      0.002      0.033      140.4        40.





 STATION - NONOWAI BELOW CONTROL GATES              STATION NO. 017081
 COUNTRY - NEW ZEALAND                              DEPTH(M)       0.0
 LOCATION - OCT. 7  LAT. 45/48/25  LONG. 167/32/04  ELEVATION(M)   0.0
 REGIONAL CENTRE - WPRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-01-08 TO 1993-12-14

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             A340       A440       A740       G340       G440
                                                                             
                            02003      02004      02005      02006      02007
                         ABS*1000   ABS*1000   ABS*1000          m          m


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         39         39         39
 MEAN                        62.2       13.0        0.4        3.5        0.7
 MINIMUM                     47.0        7.0        0.0        2.7        0.4
 DATE OF MINIMUM       1992-05-05 1992-03-03 1991-01-08 1992-05-05 1992-03-03
 10TH PERCENTILE             49.0        8.9        0.0        2.8        0.5
 MEDIAN                      60.0       12.0        0.0        3.4        0.6
 90TH PERCENTILE             76.3       18.0        2.0        4.2        1.0
 MAXIMUM                     96.0       32.0        3.0        5.1        1.6
 DATE OF MAXIMUM       1993-12-14 1993-12-14 1993-08-03 1993-12-14 1993-12-14
 STANDARD DEVIATION          10.9        4.7        0.9        0.6        0.2




                             ELEC       TEMP    CLARITY     TURBID      N03-N
                             COND                                            
                            02049      02061      02070      02074      07300
                            us/cm      deg C          m        NTU     mg/L N


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         39         37         39         38
 MEAN                         40.       11.3        6.3        0.5      0.012
 MINIMUM                      38.        6.4        2.4        0.2      0.001
 DATE OF MINIMUM       1993-02-16 1992-06-30 1991-10-15 1991-06-25 1991-04-30
 10TH PERCENTILE              39.        7.5        3.3        0.2      0.002
 MEDIAN                       40.       10.9        6.5        0.4      0.008
 90TH PERCENTILE              42.       16.3        8.5        0.6      0.030
 MAXIMUM                      45.       17.6       10.2        1.6      0.035
 DATE OF MAXIMUM       1992-01-07 1992-01-07 1993-09-28 1992-12-15 1992-08-25
 STANDARD DEVIATION            1.        3.4        2.0        0.2      0.011




                              NH3      TOTAL   PERCENT          O2        BOD
                                    NITROGEN   DO SAT         DISS           
                            07557      07606      08005      08107      08202
                           mg/L N     mg/L N    PERCENT    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       37         38         39         39         39
 MEAN                        0.01       0.09       101.       10.8         0.
 MINIMUM                     0.00       0.05        93.        9.3         0.
 DATE OF MINIMUM       1991-10-15 1992-05-05 1992-06-30 1992-02-04 1991-10-15
 10TH PERCENTILE             0.00       0.06        96.        9.9         0.
 MEDIAN                      0.01       0.09       101.       10.9         0.
 90TH PERCENTILE             0.01       0.10       106.       11.5         0.
 MAXIMUM                     0.01       0.24       108.       12.7         1.
 DATE OF MAXIMUM       1992-12-15 1992-12-15 1992-01-07 1991-08-20 1992-02-04
 STANDARD DEVIATION          0.00       0.03         4.        0.7         0.




                               pH    P ORTHO          P       INST      CLOUD
                                        DISS      TOTAL     DISCHG      COVER
                            10301      15256      15406      97160      97320
                         pH UNITS     mg/L P     mg/L P       m3/S    PERCENT


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES       39         38         38         39         39
 MEAN                         7.4      0.001      0.003       14.2        76.
 MINIMUM                      7.1      0.000      0.000        0.3         0.
 DATE OF MINIMUM       1992-08-25 1991-01-08 1991-09-17 1992-11-17 1991-12-10
 10TH PERCENTILE              7.2      0.000      0.000        0.8        11.
 MEDIAN                       7.3      0.001      0.003       18.4       100.
 90TH PERCENTILE              7.6      0.001      0.005       21.3       100.
 MAXIMUM                      7.7      0.001      0.011       24.4       100.
 DATE OF MAXIMUM       1993-11-23 1991-07-23 1991-03-05 1991-06-25 1991-03-05
 STANDARD DEVIATION           0.1      0.001      0.002        7.8        34.




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GEMS/WATER
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Last updated: 2001-07-30