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STATISTICS for NEW ZEALAND

STATISTICS FOR NEW ZEALAND


GEMS/WATER - STATISTICAL SUMMARY BY STATION     2002-02-04   PAGE 126

 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-15 TO 1997-12-09

 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       12         12         12         12         12
 MEAN                       164.0       36.4        1.9        9.2        1.9
 MINIMUM                     52.0       13.0        0.0        2.9        0.7
 DATE OF MINIMUM       1997-11-12 1997-11-12 1997-02-12 1997-11-12 1997-11-12
 10TH PERCENTILE             55.4       13.6        0.2        3.1        0.7
 MEDIAN                     133.0       31.0        2.0        7.3        1.5
 90TH PERCENTILE            303.5       66.7        3.0       17.0        3.5
 MAXIMUM                    339.0       75.0        4.0       19.1        4.0
 DATE OF MAXIMUM       1997-06-19 1997-06-19 1997-08-13 1997-06-19 1997-06-19
 STANDARD DEVIATION          94.2       20.7        1.2        5.3        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       12         12         12         12         12
 MEAN                        117.       14.0        1.7        4.3      0.024
 MINIMUM                     104.        7.9        0.5        1.1      0.009
 DATE OF MINIMUM       1997-06-19 1997-07-17 1997-06-19 1997-02-12 1997-03-13
 10TH PERCENTILE             104.        8.6        0.5        1.1      0.009
 MEDIAN                      119.       14.4        1.7        3.2      0.016
 90TH PERCENTILE             125.       16.8        2.5        7.2      0.042
 MAXIMUM                     126.       18.7        3.6       12.0      0.076
 DATE OF MAXIMUM       1997-04-17 1997-02-12 1997-11-12 1997-06-19 1997-06-19
 STANDARD DEVIATION            7.        3.0        0.9        3.1      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       12         12         12         12         12
 MEAN                        0.00       0.13        97.       10.0         0.
 MINIMUM                     0.00       0.03        95.        9.1         0.
 DATE OF MINIMUM       1997-07-17 1997-11-12 1997-03-13 1997-02-12 1997-11-12
 10TH PERCENTILE             0.00       0.04        95.        9.1         0.
 MEDIAN                      0.00       0.10        97.        9.8         0.
 90TH PERCENTILE             0.01       0.17        98.       10.8         0.
 MAXIMUM                     0.01       0.32        98.       11.5         0.
 DATE OF MAXIMUM       1997-01-15 1997-06-19 1997-08-13 1997-07-17 1997-05-13
 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       12         12         12         12         12
 MEAN                         7.5      0.006      0.012        2.5        62.
 MINIMUM                      7.3      0.004      0.007        0.8         0.
 DATE OF MINIMUM       1997-06-19 1997-04-17 1997-02-12 1997-04-17 1997-03-13
 10TH PERCENTILE              7.4      0.004      0.007        0.9         8.
 MEDIAN                       7.5      0.005      0.011        2.0        62.
 90TH PERCENTILE              7.5      0.007      0.015        4.2        88.
 MAXIMUM                      7.7      0.009      0.018        6.4       100.
 DATE OF MAXIMUM       1997-02-12 1997-06-19 1997-06-19 1997-06-19 1997-08-13
 STANDARD DEVIATION           0.1      0.001      0.003        1.6        28.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-15 TO 1997-12-09

 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       12         12         12         12         12
 MEAN                       179.8       36.9        2.0       10.1        1.9
 MINIMUM                     97.0       17.0        0.0        5.6        1.0
 DATE OF MINIMUM       1997-04-17 1997-04-17 1997-04-17 1997-04-17 1997-04-17
 10TH PERCENTILE            103.8       18.8        0.0        6.0        1.1
 MEDIAN                     158.0       33.5        2.0        8.8        1.7
 90TH PERCENTILE            242.1       47.7        3.7       13.6        2.5
 MAXIMUM                    343.0       70.0        4.0       19.2        3.6
 DATE OF MAXIMUM       1997-06-19 1997-06-19 1997-08-13 1997-06-19 1997-06-19
 STANDARD DEVIATION          66.3       13.6        1.3        3.7        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       12         12         12         12         12
 MEAN                        119.       16.1        1.5        7.4      0.284
 MINIMUM                     102.        9.1        0.1        1.0      0.053
 DATE OF MINIMUM       1997-09-17 1997-07-17 1997-06-19 1997-04-17 1997-02-12
 10TH PERCENTILE             103.        9.8        0.2        1.1      0.060
 MEDIAN                      117.       16.4        1.0        4.6      0.226
 90TH PERCENTILE             132.       20.6        2.8       14.5      0.567
 MAXIMUM                     134.       21.2        4.3       28.0      0.587
 DATE OF MAXIMUM       1997-05-13 1997-02-12 1997-04-17 1997-06-19 1997-09-17
 STANDARD DEVIATION           10.        3.8        1.3        7.8      0.203




                              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       12         12         12         12         12
 MEAN                        0.01       0.50       101.        9.9         1.
 MINIMUM                     0.01       0.21        97.        8.8         0.
 DATE OF MINIMUM       1997-10-14 1997-02-12 1997-12-09 1997-12-09 1997-01-15
 10TH PERCENTILE             0.01       0.22        98.        8.8         0.
 MEDIAN                      0.01       0.44       101.        9.9         0.
 90TH PERCENTILE             0.02       0.74       103.       10.8         1.
 MAXIMUM                     0.05       1.06       104.       11.7         1.
 DATE OF MAXIMUM       1997-06-19 1997-06-19 1997-10-14 1997-07-17 1997-06-19
 STANDARD DEVIATION          0.01       0.24         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       12         11         11         12         12
 MEAN                         7.4      0.008      0.028        5.6        69.
 MINIMUM                      7.0      0.003      0.010        1.3        25.
 DATE OF MINIMUM       1997-06-19 1997-04-17 1997-04-17 1997-04-17 1997-03-13
 10TH PERCENTILE              7.1      0.003      0.011        1.4        28.
 MEDIAN                       7.5      0.007      0.024        3.8        75.
 90TH PERCENTILE              7.6      0.011      0.032       10.5        96.
 MAXIMUM                      7.6      0.017      0.080       18.1       100.
 DATE OF MAXIMUM       1997-10-14 1997-06-19 1997-06-19 1997-06-19 1997-10-14
 STANDARD DEVIATION           0.2      0.004      0.018        4.9        23.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-15 TO 1997-12-09

 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       12         12         12         12         12
 MEAN                       198.3       42.1        2.2       11.1        2.2
 MINIMUM                    120.0       24.0        0.0        6.8        1.4
 DATE OF MINIMUM       1997-11-12 1997-11-12 1997-11-12 1997-09-17 1997-09-17
 10TH PERCENTILE            120.4       24.6        0.2        6.8        1.4
 MEDIAN                     164.5       34.0        2.0        9.3        1.8
 90TH PERCENTILE            310.4       68.3        4.4       17.5        3.5
 MAXIMUM                    350.0       76.0        6.0       19.5        3.9
 DATE OF MAXIMUM       1997-06-19 1997-06-19 1997-08-13 1997-06-19 1997-06-19
 STANDARD DEVIATION          80.3       18.1        1.7        4.5        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       12         12         12         12         12
 MEAN                        135.       16.4        0.8       10.0      0.142
 MINIMUM                     111.        8.8        0.3        2.0      0.010
 DATE OF MINIMUM       1997-06-19 1997-07-17 1997-08-13 1997-02-12 1997-02-12
 10TH PERCENTILE             113.        9.5        0.3        2.2      0.014
 MEDIAN                      130.       16.5        0.6        6.2      0.106
 90TH PERCENTILE             156.       21.5        1.4       20.2      0.285
 MAXIMUM                     160.       22.1        1.8       26.0      0.399
 DATE OF MAXIMUM       1997-05-13 1997-12-09 1997-02-12 1997-06-19 1997-06-19
 STANDARD DEVIATION           15.        4.2        0.5        8.1      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       12         12         12         12         12
 MEAN                        0.01       0.35        97.        9.5         1.
 MINIMUM                     0.00       0.15        91.        8.6         0.
 DATE OF MINIMUM       1997-04-17 1997-11-12 1997-06-19 1997-02-12 1997-11-12
 10TH PERCENTILE             0.01       0.15        92.        8.6         0.
 MEDIAN                      0.01       0.31        97.        9.5         0.
 90TH PERCENTILE             0.02       0.50       100.       10.2         1.
 MAXIMUM                     0.03       0.78       103.       11.3         1.
 DATE OF MAXIMUM       1997-03-13 1997-06-19 1997-12-09 1997-07-17 1997-06-19
 STANDARD DEVIATION          0.01       0.18         3.        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       12         12         12         12         12
 MEAN                         7.4      0.009      0.030       17.9        73.
 MINIMUM                      7.0      0.005      0.017        5.8        38.
 DATE OF MINIMUM       1997-06-19 1997-07-17 1997-02-12 1997-02-12 1997-01-15
 10TH PERCENTILE              7.1      0.006      0.017        6.1        38.
 MEDIAN                       7.4      0.009      0.027       14.4        88.
 90TH PERCENTILE              7.6      0.012      0.043       23.7        96.
 MAXIMUM                      7.7      0.014      0.054       56.0       100.
 DATE OF MAXIMUM       1997-12-09 1997-03-13 1997-06-19 1997-06-19 1997-10-14
 STANDARD DEVIATION           0.2      0.003      0.011       13.5        25.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-15 TO 1997-12-09

 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       12         12         12         12         12
 MEAN                       325.4       68.1        4.8       18.1        3.5
 MINIMUM                    207.0       40.0        2.0       11.5        2.0
 DATE OF MINIMUM       1997-04-17 1997-04-17 1997-02-12 1997-04-17 1997-04-17
 10TH PERCENTILE            207.8       40.2        2.0       11.6        2.0
 MEDIAN                     304.5       66.5        4.0       17.1        3.3
 90TH PERCENTILE            409.6       89.9        7.4       22.7        4.5
 MAXIMUM                    527.0      114.0       11.0       29.0        5.5
 DATE OF MAXIMUM       1997-06-19 1997-06-19 1997-06-19 1997-06-19 1997-06-19
 STANDARD DEVIATION          96.3       22.1        2.7        5.3        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       12         12         12         12         12
 MEAN                        122.       16.4        0.5       17.5      0.508
 MINIMUM                      89.        9.4        0.1        5.1      0.270
 DATE OF MINIMUM       1997-06-19 1997-07-17 1997-06-19 1997-04-17 1997-02-12
 10TH PERCENTILE              92.       10.0        0.1        5.4      0.286
 MEDIAN                      122.       16.7        0.4       15.5      0.522
 90TH PERCENTILE             133.       20.7        0.7       24.2      0.664
 MAXIMUM                     148.       22.1        1.2       55.0      0.723
 DATE OF MAXIMUM       1997-05-13 1997-12-09 1997-02-12 1997-06-19 1997-06-19
 STANDARD DEVIATION           16.        3.8        0.3       13.2      0.142




                              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       12         12         12         12         12
 MEAN                        0.06       0.95        90.        8.7         1.
 MINIMUM                     0.01       0.54        70.        7.2         1.
 DATE OF MINIMUM       1997-04-17 1997-02-12 1997-06-19 1997-03-13 1997-11-12
 10TH PERCENTILE             0.01       0.56        72.        7.2         1.
 MEDIAN                      0.06       0.92        89.        8.8         1.
 90TH PERCENTILE             0.12       1.21       104.       10.0         2.
 MAXIMUM                     0.15       1.67       106.       10.5         3.
 DATE OF MAXIMUM       1997-05-13 1997-06-19 1997-04-17 1997-04-17 1997-06-19
 STANDARD DEVIATION          0.05       0.30        11.        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       12         12         12         12         12
 MEAN                         6.8      0.028      0.084       16.3        72.
 MINIMUM                      6.3      0.011      0.045        3.0        25.
 DATE OF MINIMUM       1997-06-19 1997-07-17 1997-02-12 1997-12-09 1997-01-15
 10TH PERCENTILE              6.3      0.012      0.045        3.2        28.
 MEDIAN                       6.8      0.024      0.084       10.1        75.
 90TH PERCENTILE              7.3      0.038      0.092       21.0       100.
 MAXIMUM                      7.5      0.063      0.191       76.5       100.
 DATE OF MAXIMUM       1997-08-13 1997-06-19 1997-06-19 1997-06-19 1997-08-13
 STANDARD DEVIATION           0.4      0.014      0.039       20.2        26.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-15 TO 1997-12-17

 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       12         12         12         12         12
 MEAN                       238.9       47.8        2.8       13.4        2.5
 MINIMUM                    171.0       35.0        1.0        9.6        1.8
 DATE OF MINIMUM       1997-09-17 1997-09-17 1997-02-12 1997-09-17 1997-09-17
 10TH PERCENTILE            175.8       35.4        1.0        9.9        1.9
 MEDIAN                     230.5       44.5        2.5       13.1        2.4
 90TH PERCENTILE            289.3       58.4        4.7       16.3        3.0
 MAXIMUM                    297.0       63.0        5.0       16.7        3.1
 DATE OF MAXIMUM       1997-01-15 1997-06-18 1997-11-12 1997-01-15 1997-06-18
 STANDARD DEVIATION          42.6        9.4        1.5        2.4        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       12         12         12         12         12
 MEAN                        178.       15.0        0.8       12.0      0.409
 MINIMUM                     132.        8.8        0.2        4.2      0.005
 DATE OF MINIMUM       1997-03-12 1997-07-16 1997-06-18 1997-05-14 1997-02-12
 10TH PERCENTILE             139.        9.4        0.3        4.3      0.031
 MEDIAN                      181.       14.3        0.7        9.4      0.363
 90TH PERCENTILE             194.       19.8        1.2       20.5      0.682
 MAXIMUM                     197.       21.3        1.6       28.0      0.738
 DATE OF MAXIMUM       1997-02-12 1997-02-12 1997-05-14 1997-06-18 1997-07-16
 STANDARD DEVIATION           18.        3.8        0.4        7.3      0.227




                              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       12         12         12         12         12
 MEAN                        0.02       0.72        91.        9.2         1.
 MINIMUM                     0.00       0.21        84.        7.7         0.
 DATE OF MINIMUM       1997-02-12 1997-02-12 1997-03-12 1997-12-17 1997-10-15
 10TH PERCENTILE             0.00       0.26        85.        7.8         0.
 MEDIAN                      0.01       0.71        92.        9.3         1.
 90TH PERCENTILE             0.03       1.06        94.       10.1         1.
 MAXIMUM                     0.04       1.13        94.       11.1         1.
 DATE OF MAXIMUM       1997-08-13 1997-06-18 1997-07-16 1997-07-16 1997-12-17
 STANDARD DEVIATION          0.01       0.27         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       12         12         12         12         12
 MEAN                         7.3      0.022      0.057        3.8        69.
 MINIMUM                      7.1      0.008      0.018        0.6         0.
 DATE OF MINIMUM       1997-08-13 1997-02-12 1997-02-12 1997-02-12 1997-07-16
 10TH PERCENTILE              7.1      0.009      0.023        0.7         2.
 MEDIAN                       7.3      0.019      0.056        2.8        88.
 90TH PERCENTILE              7.5      0.026      0.075        7.0       100.
 MAXIMUM                      7.7      0.047      0.080       10.5       100.
 DATE OF MAXIMUM       1997-02-12 1997-04-16 1997-04-16 1997-06-18 1997-03-12
 STANDARD DEVIATION           0.2      0.009      0.017        3.1        38.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-15 TO 1997-12-17

 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       12         12         12         12         12
 MEAN                       399.9       79.9        4.9       22.4        4.1
 MINIMUM                    270.0       52.0        1.0       15.2        2.7
 DATE OF MINIMUM       1997-09-17 1997-09-17 1997-04-16 1997-09-17 1997-09-17
 10TH PERCENTILE            272.6       53.2        1.4       15.3        2.8
 MEDIAN                     381.5       76.0        5.0       21.3        3.9
 90TH PERCENTILE            509.3       98.6        7.4       28.7        5.1
 MAXIMUM                    627.0      133.0        9.0       35.0        6.8
 DATE OF MAXIMUM       1997-06-18 1997-06-18 1997-06-18 1997-06-18 1997-06-18
 STANDARD DEVIATION         102.0       22.3        2.2        5.7        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       12         12         12         12         12
 MEAN                        213.       14.3        0.4       26.4      0.244
 MINIMUM                     190.        8.2        0.1        5.8      0.035
 DATE OF MINIMUM       1997-09-17 1997-07-16 1997-06-18 1997-02-12 1997-02-12
 10TH PERCENTILE             192.        8.9        0.1        6.0      0.040
 MEDIAN                      216.       13.9        0.4       18.5      0.232
 90TH PERCENTILE             225.       18.0        0.6       47.8      0.390
 MAXIMUM                     231.       19.6        0.8       73.0      0.439
 DATE OF MAXIMUM       1997-05-14 1997-02-12 1997-05-14 1997-06-18 1997-07-16
 STANDARD DEVIATION           13.        3.2        0.2       21.2      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       12         12         12         12         12
 MEAN                        0.03       0.77        85.        8.8         2.
 MINIMUM                     0.01       0.43        72.        6.5         1.
 DATE OF MINIMUM       1997-03-12 1997-02-12 1997-02-12 1997-02-12 1997-01-15
 10TH PERCENTILE             0.01       0.44        72.        6.7         1.
 MEDIAN                      0.02       0.72        88.        8.9         1.
 90TH PERCENTILE             0.04       1.14        96.       10.5         3.
 MAXIMUM                     0.05       1.39        98.       11.3         4.
 DATE OF MAXIMUM       1997-06-18 1997-06-18 1997-09-17 1997-07-16 1997-03-12
 STANDARD DEVIATION          0.01       0.29        10.        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       12         12         12         12         12
 MEAN                         7.2      0.022      0.083        1.5        67.
 MINIMUM                      7.0      0.011      0.043        0.0         0.
 DATE OF MINIMUM       1997-11-12 1997-05-14 1997-05-14 1997-02-12 1997-07-16
 10TH PERCENTILE              7.0      0.011      0.043        0.0         8.
 MEDIAN                       7.2      0.018      0.064        0.8        69.
 90TH PERCENTILE              7.4      0.041      0.152        2.7       100.
 MAXIMUM                      7.4      0.052      0.205        7.8       100.
 DATE OF MAXIMUM       1997-04-16 1997-03-12 1997-06-18 1997-06-18 1997-03-12
 STANDARD DEVIATION           0.1      0.014      0.053        2.2        31.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-16 TO 1997-12-18

 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       12         12         12         12         12
 MEAN                       134.7       29.3        2.1        7.5        1.5
 MINIMUM                     72.0       16.0        0.0        3.9        0.9
 DATE OF MINIMUM       1997-05-15 1997-02-13 1997-02-13 1997-05-15 1997-05-15
 10TH PERCENTILE             72.8       16.0        0.0        4.0        0.9
 MEDIAN                     121.0       24.0        2.0        6.8        1.3
 90TH PERCENTILE            222.5       47.4        3.7       12.4        2.4
 MAXIMUM                    271.0       57.0        5.0       15.0        2.8
 DATE OF MAXIMUM       1997-08-14 1997-08-14 1997-08-14 1997-08-14 1997-08-14
 STANDARD DEVIATION          65.6       13.8        1.6        3.6        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       12         12         12         12         12
 MEAN                         55.       12.3        1.4        9.5      0.196
 MINIMUM                      44.        5.7        0.2        1.0      0.120
 DATE OF MINIMUM       1997-08-14 1997-07-17 1997-11-18 1997-05-15 1997-05-15
 10TH PERCENTILE              45.        6.3        0.2        1.0      0.121
 MEDIAN                       55.       12.4        1.7        2.3      0.188
 90TH PERCENTILE              63.       15.1        2.2       23.0      0.271
 MAXIMUM                      66.       18.1        3.2       48.0      0.320
 DATE OF MAXIMUM       1997-01-16 1997-02-13 1997-05-15 1997-11-18 1997-07-17
 STANDARD DEVIATION            7.        3.3        1.0       14.3      0.067




                              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       12         12         12         12         12
 MEAN                        0.01       0.38        99.       10.5         0.
 MINIMUM                     0.00       0.22        97.        9.4         0.
 DATE OF MINIMUM       1997-05-15 1997-05-15 1997-08-14 1997-02-13 1997-03-13
 10TH PERCENTILE             0.00       0.23        97.        9.5         0.
 MEDIAN                      0.01       0.34        99.       10.5         0.
 90TH PERCENTILE             0.01       0.53       100.       11.0         1.
 MAXIMUM                     0.01       0.65       101.       12.4         1.
 DATE OF MAXIMUM       1997-08-14 1997-08-14 1997-02-13 1997-07-17 1997-08-14
 STANDARD DEVIATION          0.00       0.14         1.        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       12         11         11         12         12
 MEAN                         7.1      0.010      0.036       12.5        59.
 MINIMUM                      7.0      0.007      0.012        3.6         0.
 DATE OF MINIMUM       1997-11-18 1997-05-15 1997-05-15 1997-03-13 1997-03-13
 10TH PERCENTILE              7.0      0.007      0.012        3.6         2.
 MEDIAN                       7.1      0.011      0.023        8.1        75.
 90TH PERCENTILE              7.1      0.011      0.072       20.9        88.
 MAXIMUM                      7.2      0.012      0.099       41.1        88.
 DATE OF MAXIMUM       1997-05-15 1997-08-14 1997-08-14 1997-11-18 1997-07-17
 STANDARD DEVIATION           0.1      0.002      0.029       10.9        32.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-16 TO 1997-12-18

 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       12         12         12         12         12
 MEAN                       168.2       33.9        1.6        9.5        1.8
 MINIMUM                    120.0       24.0        0.0        6.5        1.1
 DATE OF MINIMUM       1997-05-15 1997-05-15 1997-01-16 1997-05-15 1997-05-15
 10TH PERCENTILE            121.8       24.4        0.0        6.7        1.2
 MEDIAN                     157.0       30.5        1.0        8.8        1.7
 90TH PERCENTILE            220.1       44.1        3.7       12.4        2.3
 MAXIMUM                    232.0       52.0        4.0       13.0        2.6
 DATE OF MAXIMUM       1997-11-18 1997-11-18 1997-11-18 1997-10-16 1997-11-18
 STANDARD DEVIATION          39.2        8.9        1.4        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       12         12         12         12         12
 MEAN                        117.       15.1        0.6       14.2      0.672
 MINIMUM                      94.        7.5        0.2        3.2      0.273
 DATE OF MINIMUM       1997-11-18 1997-07-17 1997-10-16 1997-05-15 1997-02-13
 10TH PERCENTILE              96.        8.2        0.2        3.2      0.325
 MEDIAN                      116.       14.3        0.6       11.1      0.695
 90TH PERCENTILE             133.       20.3        1.0       28.7      0.815
 MAXIMUM                     135.       21.9        1.3       29.0      0.967
 DATE OF MAXIMUM       1997-03-13 1997-02-13 1997-05-15 1997-11-18 1997-07-17
 STANDARD DEVIATION           13.        4.2        0.4       10.5      0.178




                              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       12         12         12         12         12
 MEAN                        0.03       0.98        91.        9.1         1.
 MINIMUM                     0.01       0.44        82.        8.1         0.
 DATE OF MINIMUM       1997-05-15 1997-02-13 1997-11-18 1997-11-18 1997-09-18
 10TH PERCENTILE             0.01       0.52        83.        8.1         0.
 MEDIAN                      0.02       0.90        92.        8.9         1.
 90TH PERCENTILE             0.06       1.26        95.       10.0         1.
 MAXIMUM                     0.07       1.39        95.       11.4         2.
 DATE OF MAXIMUM       1997-10-16 1997-10-16 1997-02-13 1997-07-17 1997-10-16
 STANDARD DEVIATION          0.02       0.26         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       12         12         12         12         12
 MEAN                         7.2      0.027      0.082      114.3        73.
 MINIMUM                      6.9      0.015      0.042       14.8        25.
 DATE OF MINIMUM       1997-11-18 1997-07-17 1997-02-13 1997-05-15 1997-02-13
 10TH PERCENTILE              6.9      0.016      0.045       15.8        28.
 MEDIAN                       7.2      0.028      0.076       80.1        88.
 90TH PERCENTILE              7.4      0.034      0.111      216.2        96.
 MAXIMUM                      7.5      0.037      0.144      405.0       100.
 DATE OF MAXIMUM       1997-05-15 1997-03-13 1997-10-16 1997-11-18 1997-11-18
 STANDARD DEVIATION           0.2      0.006      0.030      114.7        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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-16 TO 1997-12-18

 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       12         12         12         12         12
 MEAN                        71.3       17.2        1.0        4.0        0.9
 MINIMUM                     40.0       10.0        0.0        2.2        0.5
 DATE OF MINIMUM       1997-08-14 1997-08-14 1997-01-16 1997-08-14 1997-08-14
 10TH PERCENTILE             41.6       10.4        0.0        2.3        0.5
 MEDIAN                      67.0       16.0        1.0        3.7        0.8
 90TH PERCENTILE             89.0       23.1        2.0        5.1        1.2
 MAXIMUM                     95.0       26.0        3.0        5.1        1.3
 DATE OF MAXIMUM       1997-11-18 1997-11-18 1997-11-18 1997-03-13 1997-12-18
 STANDARD DEVIATION          17.5        5.0        1.0        1.0        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       12         12         12         12         12
 MEAN                        163.       15.6        1.2        2.3      0.198
 MINIMUM                     151.       10.5        0.8        1.5      0.017
 DATE OF MINIMUM       1997-11-18 1997-07-17 1997-05-15 1997-02-13 1997-01-16
 10TH PERCENTILE             151.       10.6        0.8        1.5      0.034
 MEDIAN                      161.       14.6        1.2        2.0      0.196
 90TH PERCENTILE             173.       20.7        1.6        3.2      0.332
 MAXIMUM                     184.       21.6        1.7        3.6      0.375
 DATE OF MAXIMUM       1997-05-15 1997-02-13 1997-07-17 1997-11-18 1997-06-19
 STANDARD DEVIATION           10.        3.8        0.3        0.7      0.106




                              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       12         12         12         12         12
 MEAN                        0.01       0.40       107.       10.5         1.
 MINIMUM                     0.00       0.26        89.        8.8         0.
 DATE OF MINIMUM       1997-12-18 1997-01-16 1997-06-19 1997-02-13 1997-09-18
 10TH PERCENTILE             0.00       0.27        91.        8.8         0.
 MEDIAN                      0.01       0.38       108.       10.8         1.
 90TH PERCENTILE             0.01       0.49       115.       11.6         1.
 MAXIMUM                     0.03       0.68       119.       11.6         1.
 DATE OF MAXIMUM       1997-02-13 1997-06-19 1997-01-16 1997-05-15 1997-12-18
 STANDARD DEVIATION          0.01       0.11         9.        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       12         12         12         12         12
 MEAN                         7.7      0.014      0.036      233.1        72.
 MINIMUM                      7.4      0.004      0.029      164.0        25.
 DATE OF MINIMUM       1997-06-19 1997-01-16 1997-02-13 1997-05-15 1997-02-13
 10TH PERCENTILE              7.4      0.005      0.029      164.5        25.
 MEDIAN                       7.7      0.013      0.036      232.1        75.
 90TH PERCENTILE              8.1      0.021      0.043      287.5        88.
 MAXIMUM                      8.2      0.025      0.045      300.3       100.
 DATE OF MAXIMUM       1997-04-17 1997-06-19 1997-06-19 1997-11-18 1997-11-18
 STANDARD DEVIATION           0.3      0.006      0.006       51.2        24.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-15 TO 1997-12-17

 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       12         12         12         12         12
 MEAN                        87.0       19.7        1.4        4.8        1.0
 MINIMUM                     35.0       12.0        0.0        2.0        0.7
 DATE OF MINIMUM       1997-05-14 1997-02-12 1997-02-12 1997-05-14 1997-08-13
 10TH PERCENTILE             39.0       12.2        0.0        2.2        0.7
 MEDIAN                      83.0       18.0        1.0        4.7        1.0
 90TH PERCENTILE            117.5       24.0        2.0        6.6        1.2
 MAXIMUM                    137.0       37.0        5.0        7.3        1.6
 DATE OF MAXIMUM       1997-11-12 1997-11-12 1997-11-12 1997-11-12 1997-11-12
 STANDARD DEVIATION          29.2        6.8        1.4        1.6        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       12         12         12         12         12
 MEAN                        161.       15.8        0.7        5.3      0.353
 MINIMUM                     150.        9.8        0.5        4.1      0.107
 DATE OF MINIMUM       1997-01-15 1997-07-16 1997-03-12 1997-05-14 1997-01-15
 10TH PERCENTILE             150.       10.0        0.5        4.1      0.125
 MEDIAN                      156.       15.5        0.7        4.9      0.372
 90TH PERCENTILE             169.       20.2        0.9        6.8      0.496
 MAXIMUM                     179.       21.0        1.0        7.6      0.522
 DATE OF MAXIMUM       1997-05-14 1997-02-12 1997-02-12 1997-11-12 1997-07-16
 STANDARD DEVIATION            9.        3.8        0.2        1.2      0.141




                              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       12         12         12         12         12
 MEAN                        0.03       0.66        97.        9.6         1.
 MINIMUM                     0.00       0.41        84.        7.6         0.
 DATE OF MINIMUM       1997-12-17 1997-01-15 1997-03-12 1997-03-12 1997-08-13
 10TH PERCENTILE             0.00       0.42        85.        7.6         1.
 MEDIAN                      0.03       0.68        98.        9.7         1.
 90TH PERCENTILE             0.06       0.81       104.       10.5         1.
 MAXIMUM                     0.10       0.94       105.       10.7         2.
 DATE OF MAXIMUM       1997-03-12 1997-06-18 1997-05-14 1997-09-17 1997-04-16
 STANDARD DEVIATION          0.03       0.16         7.        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       12         12         12         12         12
 MEAN                         7.5      0.027      0.073      365.9        70.
 MINIMUM                      7.2      0.009      0.058      229.6         0.
 DATE OF MINIMUM       1997-10-15 1997-01-15 1997-08-13 1997-05-14 1997-07-16
 10TH PERCENTILE              7.2      0.011      0.058      238.5         5.
 MEDIAN                       7.5      0.029      0.074      333.2        81.
 90TH PERCENTILE              7.8      0.037      0.089      407.1       100.
 MAXIMUM                      7.8      0.042      0.091      764.2       100.
 DATE OF MAXIMUM       1997-05-14 1997-03-12 1997-04-16 1997-04-16 1997-03-12
 STANDARD DEVIATION           0.2      0.010      0.013      135.4        35.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-15 TO 1997-12-17

 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       12         12         12         12         12
 MEAN                        85.8       19.7        1.8        4.7        1.0
 MINIMUM                     42.0        9.0        0.0        2.4        0.5
 DATE OF MINIMUM       1997-05-14 1997-05-14 1997-04-16 1997-05-14 1997-05-14
 10TH PERCENTILE             46.2       10.2        0.0        2.6        0.5
 MEDIAN                      76.5       17.5        2.0        4.1        0.9
 90TH PERCENTILE            118.5       28.1        2.7        6.6        1.4
 MAXIMUM                    130.0       30.0        3.0        7.2        1.5
 DATE OF MAXIMUM       1997-10-15 1997-10-15 1997-11-12 1997-10-15 1997-10-15
 STANDARD DEVIATION          26.7        6.2        1.0        1.5        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       12         12         12         12         12
 MEAN                        103.       15.1        0.8        5.4      1.015
 MINIMUM                      94.       10.1        0.4        2.1      0.838
 DATE OF MINIMUM       1997-03-12 1997-07-16 1997-08-13 1997-05-14 1997-03-12
 10TH PERCENTILE              95.       10.6        0.4        2.3      0.850
 MEDIAN                      104.       14.9        0.7        4.7      1.028
 90TH PERCENTILE             108.       18.7        1.1        8.7      1.094
 MAXIMUM                     110.       19.9        1.7        9.7      1.138
 DATE OF MAXIMUM       1997-11-12 1997-12-17 1997-05-14 1997-04-16 1997-07-16
 STANDARD DEVIATION            5.        2.9        0.3        2.4      0.091




                              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       12         12         12         12         12
 MEAN                        0.04       1.26        94.        9.4         1.
 MINIMUM                     0.01       0.99        86.        8.6         0.
 DATE OF MINIMUM       1997-11-12 1997-03-12 1997-08-13 1997-02-12 1997-11-12
 10TH PERCENTILE             0.01       1.01        87.        8.6         0.
 MEDIAN                      0.04       1.23        94.        9.4         1.
 90TH PERCENTILE             0.07       1.47        96.        9.8         1.
 MAXIMUM                     0.13       1.68        99.       10.6         3.
 DATE OF MAXIMUM       1997-04-16 1997-06-18 1997-12-17 1997-07-16 1997-04-16
 STANDARD DEVIATION          0.03       0.20         3.        0.6         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       12         12         12         12         12
 MEAN                         7.2      0.066      0.104       38.1        83.
 MINIMUM                      7.0      0.038      0.074       28.1        12.
 DATE OF MINIMUM       1997-09-17 1997-09-17 1997-09-17 1997-05-14 1997-07-16
 10TH PERCENTILE              7.0      0.040      0.075       28.2        18.
 MEDIAN                       7.2      0.067      0.100       37.6        94.
 90TH PERCENTILE              7.3      0.090      0.128       48.2       100.
 MAXIMUM                      7.4      0.094      0.140       55.0       100.
 DATE OF MAXIMUM       1997-12-17 1997-11-12 1997-04-16 1997-10-15 1997-05-14
 STANDARD DEVIATION           0.1      0.018      0.021        8.7        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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-15 TO 1997-12-17

 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       12         12         12         12         12
 MEAN                       106.4       24.6        1.6        5.9        1.3
 MINIMUM                     43.0       11.0        0.0        2.1        0.4
 DATE OF MINIMUM       1997-09-17 1997-05-14 1997-04-16 1997-09-17 1997-09-17
 10TH PERCENTILE             44.2       11.2        0.0        2.2        0.4
 MEDIAN                      83.5       20.5        2.0        4.6        1.0
 90TH PERCENTILE            189.5       40.8        2.7       10.7        2.2
 MAXIMUM                    218.0       49.0        3.0       12.3        2.6
 DATE OF MAXIMUM       1997-10-15 1997-10-15 1997-09-17 1997-10-15 1997-10-15
 STANDARD DEVIATION          61.9       13.1        1.0        3.5        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       12         12         12         12         12
 MEAN                        131.       14.9        2.0        2.4      0.463
 MINIMUM                      94.        8.7        0.4        0.9      0.214
 DATE OF MINIMUM       1997-03-12 1997-07-16 1997-06-18 1997-04-16 1997-12-17
 10TH PERCENTILE              95.        9.2        0.5        0.9      0.238
 MEDIAN                      132.       14.6        2.2        1.4      0.410
 90TH PERCENTILE             154.       19.7        3.0        4.5      0.674
 MAXIMUM                     171.       20.4        3.5        9.2      0.777
 DATE OF MAXIMUM       1997-02-12 1997-12-17 1997-07-16 1997-06-18 1997-07-16
 STANDARD DEVIATION           25.        3.5        0.9        2.5      0.165




                              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       12         12         12         12         12
 MEAN                        0.06       0.70       106.       10.6         1.
 MINIMUM                     0.02       0.44       102.        9.2         0.
 DATE OF MINIMUM       1997-05-14 1997-12-17 1997-06-18 1997-02-12 1997-01-15
 10TH PERCENTILE             0.02       0.45       102.        9.3         0.
 MEDIAN                      0.06       0.62       105.       10.8         1.
 90TH PERCENTILE             0.10       0.93       109.       11.2         1.
 MAXIMUM                     0.11       1.10       112.       12.0         2.
 DATE OF MAXIMUM       1997-03-12 1997-06-18 1997-12-17 1997-07-16 1997-06-18
 STANDARD DEVIATION          0.03       0.21         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       12         12         12         12         12
 MEAN                         7.7      0.008      0.023       11.7        78.
 MINIMUM                      7.2      0.002      0.010        3.1         0.
 DATE OF MINIMUM       1997-03-12 1997-08-13 1997-01-15 1997-02-12 1997-07-16
 10TH PERCENTILE              7.2      0.002      0.010        3.2         2.
 MEDIAN                       7.6      0.005      0.017        6.2       100.
 90TH PERCENTILE              8.1      0.018      0.040       28.1       100.
 MAXIMUM                      8.3      0.021      0.074       36.7       100.
 DATE OF MAXIMUM       1997-12-17 1997-03-12 1997-06-18 1997-06-18 1997-03-12
 STANDARD DEVIATION           0.4      0.007      0.019       11.7        37.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-16 TO 1997-12-18

 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       12         12         12         12         12
 MEAN                        12.2        3.3        0.6        0.6        0.1
 MINIMUM                      5.0        1.0        0.0        0.3        0.0
 DATE OF MINIMUM       1997-12-18 1997-12-18 1997-01-16 1997-12-18 1997-04-16
 10TH PERCENTILE              5.6        1.2        0.0        0.3        0.0
 MEDIAN                      10.5        3.0        0.5        0.5        0.1
 90TH PERCENTILE             12.7        4.0        1.0        0.7        0.2
 MAXIMUM                     34.0        8.0        2.0        2.0        0.5
 DATE OF MAXIMUM       1997-01-16 1997-01-16 1997-04-16 1997-01-16 1997-01-16
 STANDARD DEVIATION           7.2        1.8        0.7        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       12         12         12         12         12
 MEAN                        539.       15.7        5.8        0.5      0.001
 MINIMUM                     534.       11.4        4.4        0.3      0.000
 DATE OF MINIMUM       1997-03-11 1997-07-16 1997-11-13 1997-07-16 1997-11-13
 10TH PERCENTILE             534.       11.4        4.5        0.3      0.000
 MEDIAN                      538.       15.6        5.8        0.5      0.001
 90TH PERCENTILE             542.       19.9        6.7        0.6      0.003
 MAXIMUM                     543.       20.2        7.2        0.8      0.007
 DATE OF MAXIMUM       1997-05-15 1997-12-18 1997-12-18 1997-05-15 1997-07-16
 STANDARD DEVIATION            3.        3.3        0.9        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       12         12         12         12         12
 MEAN                        0.00       0.08       105.       10.1         0.
 MINIMUM                     0.00       0.05        97.        8.6         0.
 DATE OF MINIMUM       1997-08-12 1997-09-17 1997-03-11 1997-03-11 1997-11-13
 10TH PERCENTILE             0.00       0.05        98.        8.7         0.
 MEDIAN                      0.00       0.08       105.       10.2         0.
 90TH PERCENTILE             0.00       0.11       110.       10.8         0.
 MAXIMUM                     0.00       0.14       114.       11.1         1.
 DATE OF MAXIMUM       1997-03-11 1997-05-15 1997-12-18 1997-09-17 1997-07-16
 STANDARD DEVIATION          0.00       0.03         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       12         12         12         12         12
 MEAN                         8.1      0.002      0.007        7.2        73.
 MINIMUM                      7.8      0.001      0.005        5.8         0.
 DATE OF MINIMUM       1997-08-12 1997-09-17 1997-06-11 1997-05-15 1997-12-18
 10TH PERCENTILE              7.8      0.001      0.005        5.8         5.
 MEDIAN                       8.1      0.001      0.007        7.1        94.
 90TH PERCENTILE              8.3      0.002      0.008        8.3       100.
 MAXIMUM                      8.4      0.003      0.009        8.8       100.
 DATE OF MAXIMUM       1997-11-13 1997-02-12 1997-07-16 1997-07-16 1997-04-16
 STANDARD DEVIATION           0.2      0.001      0.001        1.0        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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-16 TO 1997-12-18

 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       12         12         12         12         12
 MEAN                       217.8       62.0       10.1       11.3        2.6
 MINIMUM                     22.0       47.0        7.0        0.0        2.0
 DATE OF MINIMUM       1997-12-18 1997-01-16 1997-01-16 1997-12-18 1997-01-16
 10TH PERCENTILE             55.2       47.8        7.0        2.0        2.1
 MEDIAN                     247.5       63.5       10.0       12.9        2.7
 90TH PERCENTILE            260.1       70.7       12.0       13.5        2.9
 MAXIMUM                    263.0       73.0       13.0       13.8        2.9
 DATE OF MAXIMUM       1997-10-15 1997-10-15 1997-10-15 1997-06-11 1997-10-15
 STANDARD DEVIATION          67.5        8.1        2.0        3.8        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       12         12         12         12         12
 MEAN                        409.       16.7        0.5        7.3      0.303
 MINIMUM                     382.       12.9        0.2        3.6      0.256
 DATE OF MINIMUM       1997-03-11 1997-07-16 1997-01-16 1997-11-13 1997-12-18
 10TH PERCENTILE             384.       13.3        0.2        3.8      0.261
 MEDIAN                      407.       17.0        0.5        5.7      0.304
 90TH PERCENTILE             434.       19.0        0.5        7.9      0.325
 MAXIMUM                     447.       19.6        0.8       26.0      0.329
 DATE OF MAXIMUM       1997-05-15 1997-12-18 1997-11-13 1997-01-16 1997-11-13
 STANDARD DEVIATION           20.        1.9        0.1        6.0      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       12         12         12         12         12
 MEAN                        0.06       0.66        71.        6.9         3.
 MINIMUM                     0.03       0.58        61.        6.0         2.
 DATE OF MINIMUM       1997-12-18 1997-11-13 1997-05-15 1997-05-15 1997-11-13
 10TH PERCENTILE             0.04       0.59        62.        6.0         2.
 MEDIAN                      0.06       0.63        72.        7.0         3.
 90TH PERCENTILE             0.07       0.72        75.        7.5         4.
 MAXIMUM                     0.07       0.95        78.        7.6         6.
 DATE OF MAXIMUM       1997-01-16 1997-01-16 1997-01-16 1997-07-16 1997-01-16
 STANDARD DEVIATION          0.01       0.10         4.        0.5         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       12         12         12         12         12
 MEAN                         7.3      0.104      0.185       27.9        60.
 MINIMUM                      7.2      0.055      0.130       23.4        12.
 DATE OF MINIMUM       1997-07-16 1997-06-11 1997-07-16 1997-05-15 1997-12-18
 10TH PERCENTILE              7.2      0.055      0.130       23.4        15.
 MEDIAN                       7.3      0.087      0.165       27.3        62.
 90TH PERCENTILE              7.3      0.137      0.267       32.3       100.
 MAXIMUM                      7.3      0.244      0.327       33.1       100.
 DATE OF MAXIMUM       1997-09-17 1997-09-17 1997-09-17 1997-07-16 1997-03-11
 STANDARD DEVIATION           0.0      0.051      0.065        3.5        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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-14 TO 1997-12-15

 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       12         12         12         12         12
 MEAN                        32.3        8.1        0.5        1.8        0.4
 MINIMUM                     19.0        5.0        0.0        1.0        0.2
 DATE OF MINIMUM       1997-05-13 1997-07-15 1997-02-11 1997-05-13 1997-05-13
 10TH PERCENTILE             19.2        5.0        0.0        1.0        0.2
 MEDIAN                      29.0        6.5        0.0        1.6        0.4
 90TH PERCENTILE             43.4       12.4        1.0        2.4        0.6
 MAXIMUM                     63.0       15.0        2.0        3.6        0.9
 DATE OF MAXIMUM       1997-04-15 1997-04-15 1997-08-13 1997-04-15 1997-04-15
 STANDARD DEVIATION          13.0        3.4        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       12         12         12         12         12
 MEAN                         83.       13.0        2.2        1.6      0.506
 MINIMUM                      78.        9.7        1.2        1.0      0.348
 DATE OF MINIMUM       1997-06-10 1997-07-15 1997-06-10 1997-04-15 1997-12-15
 10TH PERCENTILE              79.        9.8        1.3        1.0      0.361
 MEDIAN                       83.       12.4        2.4        1.5      0.535
 90TH PERCENTILE              85.       15.7        2.6        2.0      0.568
 MAXIMUM                      89.       17.7        3.0        2.7      0.607
 DATE OF MAXIMUM       1997-09-18 1997-12-15 1997-05-13 1997-06-10 1997-01-14
 STANDARD DEVIATION            2.        2.4        0.5        0.5      0.075




                              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       12         12         12         12         12
 MEAN                        0.01       0.59       104.       10.7         0.
 MINIMUM                     0.00       0.43       100.       10.2         0.
 DATE OF MINIMUM       1997-02-11 1997-12-15 1997-06-10 1997-01-14 1997-01-14
 10TH PERCENTILE             0.00       0.45       100.       10.2         0.
 MEDIAN                      0.01       0.60       104.       10.7         0.
 90TH PERCENTILE             0.01       0.69       106.       11.1         0.
 MAXIMUM                     0.01       0.74       110.       11.4         1.
 DATE OF MAXIMUM       1997-12-15 1997-06-10 1997-12-15 1997-07-15 1997-07-15
 STANDARD DEVIATION          0.00       0.09         3.        0.4         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       12         12         12         12         12
 MEAN                         7.7      0.024      0.031       22.1        68.
 MINIMUM                      7.5      0.020      0.026       19.0         0.
 DATE OF MINIMUM       1997-06-10 1997-11-12 1997-02-11 1997-05-13 1997-12-15
 10TH PERCENTILE              7.5      0.020      0.027       19.2         2.
 MEDIAN                       7.7      0.024      0.030       22.1        88.
 90TH PERCENTILE              7.8      0.027      0.035       23.9       100.
 MAXIMUM                      7.8      0.028      0.044       24.3       100.
 DATE OF MAXIMUM       1997-12-15 1997-06-10 1997-06-10 1997-06-10 1997-06-10
 STANDARD DEVIATION           0.1      0.003      0.005        1.6        38.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-14 TO 1997-12-15

 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       12         12         12         12         12
 MEAN                        62.6       13.8        0.6        3.5        0.7
 MINIMUM                     41.0        7.0        0.0        2.4        0.3
 DATE OF MINIMUM       1997-09-18 1997-10-14 1997-02-11 1997-09-18 1997-10-14
 10TH PERCENTILE             41.2        7.4        0.0        2.4        0.3
 MEDIAN                      55.0       13.0        0.5        3.1        0.7
 90TH PERCENTILE             70.2       16.0        1.0        4.0        0.8
 MAXIMUM                    149.0       33.0        2.0        8.5        1.8
 DATE OF MAXIMUM       1997-03-12 1997-03-12 1997-08-13 1997-03-12 1997-03-12
 STANDARD DEVIATION          28.9        6.8        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       12         12         12         12         12
 MEAN                         79.       12.3        2.0        3.3      0.094
 MINIMUM                      62.        7.6        0.3        0.8      0.020
 DATE OF MINIMUM       1997-03-12 1997-07-15 1997-03-12 1997-02-11 1997-02-11
 10TH PERCENTILE              64.        7.9        0.3        0.8      0.023
 MEDIAN                       78.       11.5        2.2        1.8      0.093
 90TH PERCENTILE              88.       16.9        2.9        7.1      0.149
 MAXIMUM                      89.       18.2        3.1       14.5      0.176
 DATE OF MAXIMUM       1997-12-15 1997-12-15 1997-05-13 1997-03-12 1997-06-10
 STANDARD DEVIATION            8.        3.3        0.9        4.1      0.051




                              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       12         12         12         12         12
 MEAN                        0.01       0.21       103.       10.8         0.
 MINIMUM                     0.00       0.09       100.        9.6         0.
 DATE OF MINIMUM       1997-07-15 1997-12-15 1997-11-12 1997-12-15 1997-11-12
 10TH PERCENTILE             0.00       0.10       101.        9.7         0.
 MEDIAN                      0.00       0.17       102.       10.7         0.
 90TH PERCENTILE             0.01       0.36       106.       11.4         1.
 MAXIMUM                     0.01       0.52       107.       12.0         1.
 DATE OF MAXIMUM       1997-12-15 1997-03-12 1997-02-11 1997-07-15 1997-03-12
 STANDARD DEVIATION          0.00       0.13         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       12         12         12         12         12
 MEAN                         7.8      0.022      0.038       13.8        67.
 MINIMUM                      7.5      0.017      0.024        6.7         0.
 DATE OF MINIMUM       1997-07-15 1997-09-18 1997-05-13 1997-12-15 1997-12-15
 10TH PERCENTILE              7.5      0.018      0.024        6.8         5.
 MEDIAN                       7.7      0.022      0.031       10.5        75.
 90TH PERCENTILE              8.1      0.025      0.045       24.6       100.
 MAXIMUM                      8.3      0.025      0.115       28.6       100.
 DATE OF MAXIMUM       1997-02-11 1997-03-12 1997-03-12 1997-03-12 1997-06-10
 STANDARD DEVIATION           0.3      0.003      0.025        7.6        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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-16 TO 1997-12-18

 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       12         12         12         12         12
 MEAN                        63.1       14.3        1.3        3.5        0.7
 MINIMUM                     45.0       10.0        1.0        2.5        0.5
 DATE OF MINIMUM       1997-10-15 1997-10-15 1997-01-16 1997-10-15 1997-10-15
 10TH PERCENTILE             45.2       10.0        1.0        2.5        0.5
 MEDIAN                      61.0       14.0        1.0        3.4        0.7
 90TH PERCENTILE             69.0       16.4        2.0        3.8        0.8
 MAXIMUM                    122.0       26.0        2.0        6.8        1.3
 DATE OF MAXIMUM       1997-03-11 1997-03-11 1997-03-11 1997-03-11 1997-03-11
 STANDARD DEVIATION          20.3        4.3        0.5        1.1        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       12         12         12         12         12
 MEAN                         91.       14.4        1.3        3.5      0.317
 MINIMUM                      84.        9.4        0.2        1.9      0.063
 DATE OF MINIMUM       1997-06-11 1997-07-16 1997-06-11 1997-09-17 1997-02-12
 10TH PERCENTILE              84.        9.6        0.3        1.9      0.091
 MEDIAN                       91.       14.4        1.1        3.0      0.334
 90TH PERCENTILE              95.       18.3        1.9        4.3      0.407
 MAXIMUM                      97.       19.7        2.4        9.2      0.457
 DATE OF MAXIMUM       1997-08-12 1997-12-18 1997-05-15 1997-06-11 1997-08-12
 STANDARD DEVIATION            4.        3.2        0.6        1.9      0.102




                              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       12         12         12         12         12
 MEAN                        0.01       0.44       108.       11.0         0.
 MINIMUM                     0.00       0.16       100.        9.5         0.
 DATE OF MINIMUM       1997-12-18 1997-02-12 1997-03-11 1997-02-12 1997-11-13
 10TH PERCENTILE             0.01       0.20       100.        9.6         0.
 MEDIAN                      0.01       0.44       106.       11.1         0.
 90TH PERCENTILE             0.02       0.52       112.       11.9         1.
 MAXIMUM                     0.02       0.63       120.       12.0         1.
 DATE OF MAXIMUM       1997-03-11 1997-06-11 1997-12-18 1997-07-16 1997-07-16
 STANDARD DEVIATION          0.01       0.11         5.        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       12         12         12         12         12
 MEAN                         7.1      0.029      0.046       61.9        72.
 MINIMUM                      7.0      0.026      0.035       43.3        12.
 DATE OF MINIMUM       1997-07-16 1997-07-16 1997-02-12 1997-12-18 1997-12-18
 10TH PERCENTILE              7.0      0.026      0.036       43.6        15.
 MEDIAN                       7.1      0.029      0.045       57.9        81.
 90TH PERCENTILE              7.2      0.032      0.056       80.3       100.
 MAXIMUM                      7.2      0.035      0.056       96.8       100.
 DATE OF MAXIMUM       1997-09-17 1997-03-11 1997-08-12 1997-06-11 1997-04-16
 STANDARD DEVIATION           0.1      0.002      0.007       16.2        32.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-14 TO 1997-12-15

 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       12         12         12         12         12
 MEAN                        10.3        2.8        0.3        0.6        0.1
 MINIMUM                      5.0        1.0        0.0        0.2        0.1
 DATE OF MINIMUM       1997-10-14 1997-05-13 1997-02-11 1997-08-14 1997-05-13
 10TH PERCENTILE              5.2        1.0        0.0        0.2        0.1
 MEDIAN                       9.5        3.0        0.0        0.5        0.1
 90TH PERCENTILE             12.1        4.0        1.0        0.7        0.2
 MAXIMUM                     27.0        5.0        1.0        1.6        0.3
 DATE OF MAXIMUM       1997-03-12 1997-03-12 1997-06-10 1997-03-12 1997-03-12
 STANDARD DEVIATION           5.6        1.2        0.5        0.3        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       12         12         12         12         12
 MEAN                        120.       14.5        8.4        0.5      0.001
 MINIMUM                     118.       10.6        5.5        0.3      0.000
 DATE OF MINIMUM       1997-02-11 1997-08-14 1997-02-11 1997-01-14 1997-04-15
 10TH PERCENTILE             118.       10.7        5.6        0.3      0.000
 MEDIAN                      120.       14.2        8.6        0.4      0.000
 90TH PERCENTILE             121.       17.3        9.8        0.6      0.001
 MAXIMUM                     122.       18.4       11.7        0.9      0.006
 DATE OF MAXIMUM       1997-09-18 1997-02-11 1997-04-15 1997-12-15 1997-06-10
 STANDARD DEVIATION            1.        2.8        1.7        0.2      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       12         12         12         12         12
 MEAN                        0.00       0.06       103.       10.0         0.
 MINIMUM                     0.00       0.03        98.        9.4         0.
 DATE OF MINIMUM       1997-08-14 1997-08-14 1997-07-15 1997-02-11 1997-01-14
 10TH PERCENTILE             0.00       0.03        98.        9.4         0.
 MEDIAN                      0.00       0.05       103.       10.0         0.
 90TH PERCENTILE             0.00       0.09       105.       10.6         0.
 MAXIMUM                     0.00       0.10       108.       10.7         1.
 DATE OF MAXIMUM       1997-02-11 1997-06-10 1997-12-15 1997-09-18 1997-07-15
 STANDARD DEVIATION          0.00       0.02         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       12         12         12         12         12
 MEAN                         7.9      0.001      0.004      156.6        56.
 MINIMUM                      7.6      0.000      0.002       56.7         0.
 DATE OF MINIMUM       1997-08-14 1997-08-14 1997-05-13 1997-02-11 1997-04-15
 10TH PERCENTILE              7.6      0.000      0.002       65.6         2.
 MEDIAN                       7.9      0.001      0.004      153.3        62.
 90TH PERCENTILE              8.1      0.001      0.005      209.3       100.
 MAXIMUM                      8.1      0.001      0.007      234.6       100.
 DATE OF MAXIMUM       1997-02-11 1997-03-12 1997-12-15 1997-07-15 1997-06-10
 STANDARD DEVIATION           0.2      0.000      0.001       52.6        39.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-22 TO 1997-12-17

 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       12         12         12         12         12
 MEAN                       109.5       24.0        1.8        6.1        1.2
 MINIMUM                     67.0       13.0        0.0        3.7        0.7
 DATE OF MINIMUM       1997-05-21 1997-05-21 1997-05-21 1997-02-19 1997-02-19
 10TH PERCENTILE             67.4       13.4        0.2        3.7        0.7
 MEDIAN                     104.0       22.0        1.0        5.9        1.2
 90TH PERCENTILE            161.0       35.7        3.7        8.9        1.7
 MAXIMUM                    172.0       40.0        5.0        9.3        1.9
 DATE OF MAXIMUM       1997-08-20 1997-12-17 1997-08-20 1997-12-17 1997-12-17
 STANDARD DEVIATION          36.3        8.5        1.5        2.0        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       12         12         12         12         12
 MEAN                        100.       11.8        1.2       10.1      0.182
 MINIMUM                      72.        7.3        0.1        1.2      0.049
 DATE OF MINIMUM       1997-11-19 1997-07-23 1997-08-20 1997-01-22 1997-05-21
 10TH PERCENTILE              73.        7.6        0.1        1.2      0.052
 MEDIAN                       96.       10.6        1.2        3.4      0.201
 90TH PERCENTILE             134.       16.7        2.3       20.4      0.282
 MAXIMUM                     138.       18.3        3.2       35.0      0.302
 DATE OF MAXIMUM       1997-02-19 1997-02-19 1997-01-22 1997-08-20 1997-07-23
 STANDARD DEVIATION           23.        3.5        1.0       11.1      0.092




                              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       12         12         12         12         12
 MEAN                        0.01       0.33       103.       11.1         0.
 MINIMUM                     0.00       0.16       100.        9.4         0.
 DATE OF MINIMUM       1997-05-21 1997-03-19 1997-08-20 1997-02-19 1997-04-23
 10TH PERCENTILE             0.00       0.16       100.        9.5         0.
 MEDIAN                      0.01       0.35       102.       11.2         0.
 90TH PERCENTILE             0.01       0.48       107.       12.0         1.
 MAXIMUM                     0.01       0.54       113.       12.6         1.
 DATE OF MAXIMUM       1997-03-19 1997-08-20 1997-05-21 1997-05-21 1997-12-17
 STANDARD DEVIATION          0.00       0.13         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       12         12         12         12         12
 MEAN                         7.8      0.008      0.029       58.2        77.
 MINIMUM                      7.4      0.004      0.010       27.0        12.
 DATE OF MINIMUM       1997-11-19 1997-05-21 1997-05-21 1997-03-19 1997-12-17
 10TH PERCENTILE              7.4      0.004      0.011       27.6        20.
 MEDIAN                       7.6      0.008      0.020       42.0        88.
 90TH PERCENTILE              8.1      0.009      0.050      108.5       100.
 MAXIMUM                      8.2      0.011      0.069      125.0       100.
 DATE OF MAXIMUM       1997-05-21 1997-06-18 1997-08-20 1997-11-19 1997-07-23
 STANDARD DEVIATION           0.3      0.002      0.018       35.9        25.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-22 TO 1997-12-17

 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       12         12         12         12         12
 MEAN                        24.5        7.2        1.0        1.3        0.3
 MINIMUM                     11.0        2.0        0.0        0.6        0.1
 DATE OF MINIMUM       1997-05-21 1997-05-21 1997-01-22 1997-05-21 1997-05-21
 10TH PERCENTILE             11.2        2.4        0.0        0.6        0.1
 MEDIAN                      22.0        7.0        1.0        1.1        0.3
 90TH PERCENTILE             38.2       10.4        2.0        2.0        0.5
 MAXIMUM                     46.0       11.0        3.0        2.5        0.5
 DATE OF MAXIMUM       1997-06-18 1997-12-17 1997-03-19 1997-06-18 1997-06-18
 STANDARD DEVIATION          10.5        2.6        1.0        0.6        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       12         12         12         12         12
 MEAN                        106.        9.3        2.3        6.0      0.025
 MINIMUM                      75.        6.0        0.1        0.5      0.004
 DATE OF MINIMUM       1997-12-17 1997-08-20 1997-06-18 1997-01-22 1997-03-19
 10TH PERCENTILE              76.        6.0        0.2        0.6      0.005
 MEDIAN                      110.        9.1        2.3        1.3      0.025
 90TH PERCENTILE             125.       11.8        4.1       13.9      0.038
 MAXIMUM                     132.       13.2        4.3       38.0      0.045
 DATE OF MAXIMUM       1997-03-19 1997-02-19 1997-01-22 1997-06-18 1997-08-20
 STANDARD DEVIATION           20.        2.3        1.5       11.2      0.012




                              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       12         12         12         12         12
 MEAN                        0.00       0.09       101.       11.1         1.
 MINIMUM                     0.00       0.03        99.       10.1         0.
 DATE OF MINIMUM       1997-08-20 1997-03-19 1997-05-21 1997-02-19 1997-04-23
 10TH PERCENTILE             0.00       0.03        99.       10.2         0.
 MEDIAN                      0.00       0.07       101.       11.0         0.
 90TH PERCENTILE             0.00       0.08       102.       11.8         1.
 MAXIMUM                     0.01       0.41       103.       11.9         2.
 DATE OF MAXIMUM       1997-05-21 1997-06-18 1997-01-22 1997-08-20 1997-06-18
 STANDARD DEVIATION          0.00       0.10         1.        0.6         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       12         12         12         12         12
 MEAN                         7.4      0.013      0.029       29.9        56.
 MINIMUM                      7.2      0.008      0.012       23.0         0.
 DATE OF MINIMUM       1997-12-17 1997-12-17 1997-03-19 1997-05-21 1997-12-17
 10TH PERCENTILE              7.3      0.008      0.013       23.1         2.
 MEDIAN                       7.4      0.013      0.019       25.0        56.
 90TH PERCENTILE              7.6      0.016      0.027       29.0       100.
 MAXIMUM                      7.6      0.020      0.140       78.3       100.
 DATE OF MAXIMUM       1997-01-22 1997-05-21 1997-06-18 1997-06-18 1997-06-18
 STANDARD DEVIATION           0.1      0.003      0.035       15.4        39.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-21 TO 1997-12-16

 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       12         12         12         12         12
 MEAN                       140.2       29.6        2.1        7.8        1.5
 MINIMUM                     89.0       19.0        0.0        4.9        0.9
 DATE OF MINIMUM       1997-08-19 1997-08-19 1997-01-21 1997-08-19 1997-08-19
 10TH PERCENTILE             91.6       19.2        0.0        5.1        1.0
 MEDIAN                     127.5       26.0        2.5        7.3        1.4
 90TH PERCENTILE            194.9       41.2        3.7       10.8        2.0
 MAXIMUM                    226.0       51.0        5.0       12.4        2.5
 DATE OF MAXIMUM       1997-11-18 1997-11-18 1997-11-18 1997-11-18 1997-11-18
 STANDARD DEVIATION          42.4        9.7        1.7        2.3        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       12         12         12         12         12
 MEAN                        105.       13.4        1.2       20.4      0.233
 MINIMUM                      80.        6.8        0.1        0.8      0.032
 DATE OF MINIMUM       1997-10-21 1997-07-22 1997-04-22 1997-01-21 1997-03-18
 10TH PERCENTILE              80.        7.5        0.1        0.9      0.035
 MEDIAN                      104.       11.6        1.2        4.1      0.223
 90TH PERCENTILE             120.       18.9        2.3       58.5      0.413
 MAXIMUM                     124.       20.1        2.8       68.0      0.493
 DATE OF MAXIMUM       1997-03-18 1997-02-18 1997-01-21 1997-04-22 1997-08-19
 STANDARD DEVIATION           14.        4.2        1.0       26.9      0.156




                              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       12         12         12         12         12
 MEAN                        0.01       0.46       104.       10.9         1.
 MINIMUM                     0.00       0.20        99.        9.1         0.
 DATE OF MINIMUM       1997-09-16 1997-03-18 1997-12-16 1997-12-16 1997-07-22
 10TH PERCENTILE             0.00       0.21        99.        9.2         0.
 MEDIAN                      0.01       0.44       102.       10.8         1.
 90TH PERCENTILE             0.02       0.70       109.       12.0         1.
 MAXIMUM                     0.05       0.77       110.       12.4         2.
 DATE OF MAXIMUM       1997-11-18 1997-08-19 1997-03-18 1997-07-22 1997-11-18
 STANDARD DEVIATION          0.01       0.20         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       12         12         12         12         12
 MEAN                         7.9      0.007      0.050       44.4        61.
 MINIMUM                      7.3      0.002      0.014        9.2         0.
 DATE OF MINIMUM       1997-10-21 1997-01-21 1997-05-20 1997-03-18 1997-04-22
 10TH PERCENTILE              7.4      0.002      0.014        9.2         2.
 MEDIAN                       7.7      0.006      0.018       19.1        69.
 90TH PERCENTILE              8.4      0.011      0.123       97.0       100.
 MAXIMUM                      8.6      0.020      0.150      190.0       100.
 DATE OF MAXIMUM       1997-03-18 1997-11-18 1997-08-19 1997-08-19 1997-06-17
 STANDARD DEVIATION           0.4      0.005      0.051       54.9        40.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-21 TO 1997-12-16

 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       12         12         12         12         12
 MEAN                       111.2       24.7        1.8        6.2        1.2
 MINIMUM                     34.0        7.0        0.0        2.0        0.4
 DATE OF MINIMUM       1997-01-21 1997-01-21 1997-01-21 1997-01-21 1997-01-21
 10TH PERCENTILE             35.0        7.0        0.0        2.0        0.4
 MEDIAN                      65.0       14.5        1.0        3.6        0.7
 90TH PERCENTILE            219.1       49.9        4.7       12.0        2.4
 MAXIMUM                    352.0       76.0        5.0       19.6        3.9
 DATE OF MAXIMUM       1997-12-16 1997-12-16 1997-12-16 1997-12-16 1997-12-16
 STANDARD DEVIATION          99.7       22.1        2.0        5.5        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       12         12         12         12         12
 MEAN                         62.        9.8        3.3        4.4      0.078
 MINIMUM                      22.        6.1        0.1        0.4      0.027
 DATE OF MINIMUM       1997-12-16 1997-07-22 1997-12-16 1997-01-21 1997-02-18
 10TH PERCENTILE              26.        6.4        0.2        0.4      0.029
 MEDIAN                       69.        9.3        4.1        1.7      0.055
 90TH PERCENTILE              74.       13.1        4.8        4.4      0.146
 MAXIMUM                      75.       13.6        7.0       34.0      0.178
 DATE OF MAXIMUM       1997-07-22 1997-12-16 1997-01-21 1997-12-16 1997-10-21
 STANDARD DEVIATION           16.        2.5        2.1        9.4      0.051




                              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       12         12         12         12         12
 MEAN                        0.01       0.24       101.       11.1         1.
 MINIMUM                     0.00       0.08       100.       10.2         0.
 DATE OF MINIMUM       1997-09-16 1997-03-18 1997-07-22 1997-12-16 1997-03-18
 10TH PERCENTILE             0.00       0.09       100.       10.2         0.
 MEDIAN                      0.01       0.19       101.       11.2         0.
 90TH PERCENTILE             0.03       0.44       102.       11.9         1.
 MAXIMUM                     0.05       0.53       105.       12.0         2.
 DATE OF MAXIMUM       1997-10-21 1997-10-21 1997-01-21 1997-09-16 1997-12-16
 STANDARD DEVIATION          0.02       0.15         1.        0.6         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       12         12         12         12         12
 MEAN                         7.4      0.015      0.051        4.0        64.
 MINIMUM                      6.8      0.009      0.015        0.5         0.
 DATE OF MINIMUM       1997-12-16 1997-04-22 1997-02-18 1997-05-20 1997-04-22
 10TH PERCENTILE              6.8      0.009      0.015        0.5         2.
 MEDIAN                       7.5      0.014      0.018        0.8        75.
 90TH PERCENTILE              7.7      0.021      0.077        5.1       100.
 MAXIMUM                      7.8      0.031      0.297       31.8       100.
 DATE OF MAXIMUM       1997-01-21 1997-10-21 1997-12-16 1997-12-16 1997-06-17
 STANDARD DEVIATION           0.3      0.006      0.081        8.9        40.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-21 TO 1997-12-16

 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       12         12         12         12         12
 MEAN                       112.3       23.2        1.2        6.3        1.2
 MINIMUM                     74.0       15.0        0.0        4.1        0.7
 DATE OF MINIMUM       1997-07-22 1997-07-22 1997-01-21 1997-08-19 1997-08-19
 10TH PERCENTILE             74.2       15.2        0.0        4.1        0.7
 MEDIAN                     116.5       23.0        1.0        6.6        1.2
 90TH PERCENTILE            142.1       31.2        2.7        7.9        1.6
 MAXIMUM                    161.0       35.0        3.0        8.9        1.7
 DATE OF MAXIMUM       1997-04-22 1997-04-22 1997-11-18 1997-04-22 1997-04-22
 STANDARD DEVIATION          26.9        6.2        1.2        1.5        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       12         12         12         12         12
 MEAN                        183.       13.6        1.4        4.0      1.798
 MINIMUM                     153.        9.0        0.3        1.6      1.092
 DATE OF MINIMUM       1997-08-19 1997-07-22 1997-08-19 1997-05-20 1997-12-16
 10TH PERCENTILE             155.        9.3        0.4        1.6      1.128
 MEDIAN                      181.       11.6        1.4        2.0      1.879
 90TH PERCENTILE             207.       17.9        1.7        4.2      2.141
 MAXIMUM                     212.       18.9        1.9       23.0      2.342
 DATE OF MAXIMUM       1997-12-16 1997-12-16 1997-01-21 1997-08-19 1997-05-20
 STANDARD DEVIATION           18.        3.4        0.4        6.0      0.378




                              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       12         11         12         12         12
 MEAN                        0.02       2.27       106.       11.0         1.
 MINIMUM                     0.00       1.57        99.        9.5         0.
 DATE OF MINIMUM       1997-12-16 1997-12-16 1997-08-19 1997-12-16 1997-07-22
 10TH PERCENTILE             0.00       1.58        99.        9.6         1.
 MEDIAN                      0.02       2.23       106.       11.0         1.
 90TH PERCENTILE             0.04       2.63       110.       11.7         2.
 MAXIMUM                     0.06       3.14       119.       11.8         2.
 DATE OF MAXIMUM       1997-10-21 1997-05-20 1997-03-18 1997-05-20 1997-12-16
 STANDARD DEVIATION          0.02       0.45         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       12         12         12         12         12
 MEAN                         8.0      0.071      0.121        5.8        75.
 MINIMUM                      7.5      0.022      0.000        1.4        25.
 DATE OF MINIMUM       1997-08-19 1997-12-16 1997-11-18 1997-03-18 1997-03-18
 10TH PERCENTILE              7.5      0.022      0.011        1.5        25.
 MEDIAN                       8.0      0.056      0.105        3.5        88.
 90TH PERCENTILE              8.3      0.130      0.197        8.1       100.
 MAXIMUM                      8.5      0.157      0.273       28.7       100.
 DATE OF MAXIMUM       1997-03-18 1997-05-20 1997-08-19 1997-08-19 1997-06-17
 STANDARD DEVIATION           0.3      0.045      0.075        7.5        30.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-21 TO 1997-12-16

 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       12         12         12         12         12
 MEAN                       142.2       28.7        1.3        8.0        1.5
 MINIMUM                    107.0       20.0        0.0        6.0        1.1
 DATE OF MINIMUM       1997-07-22 1997-07-22 1997-01-21 1997-07-22 1997-07-22
 10TH PERCENTILE            107.4       20.4        0.0        6.1        1.1
 MEDIAN                     129.0       26.0        1.0        7.3        1.4
 90TH PERCENTILE            189.6       39.9        2.7       10.4        1.9
 MAXIMUM                    230.0       50.0        5.0       12.9        2.6
 DATE OF MAXIMUM       1997-11-18 1997-11-18 1997-04-22 1997-11-18 1997-11-18
 STANDARD DEVIATION          38.5        9.1        1.6        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       12         12         12         12         12
 MEAN                        109.       13.9        0.9       17.4      0.129
 MINIMUM                      72.        6.9        0.1        1.5      0.001
 DATE OF MINIMUM       1997-11-18 1997-07-22 1997-11-18 1997-02-18 1997-02-18
 10TH PERCENTILE              74.        7.4        0.1        1.6      0.003
 MEDIAN                      107.       11.8        0.8        5.0      0.158
 90TH PERCENTILE             144.       20.4        1.6       38.9      0.253
 MAXIMUM                     147.       22.8        1.7       85.0      0.284
 DATE OF MAXIMUM       1997-03-18 1997-02-18 1997-05-20 1997-11-18 1997-07-22
 STANDARD DEVIATION           25.        5.0        0.6       25.3      0.101




                              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       12         12         12         12         12
 MEAN                        0.01       0.31       102.       10.6         1.
 MINIMUM                     0.00       0.14        98.        9.3         0.
 DATE OF MINIMUM       1997-12-16 1997-12-16 1997-10-21 1997-12-16 1997-07-22
 10TH PERCENTILE             0.00       0.14        98.        9.3         0.
 MEDIAN                      0.01       0.32       101.       10.8         1.
 90TH PERCENTILE             0.01       0.46       107.       11.5         1.
 MAXIMUM                     0.01       0.50       108.       12.1         1.
 DATE OF MAXIMUM       1997-08-19 1997-11-18 1997-02-18 1997-07-22 1997-02-18
 STANDARD DEVIATION          0.00       0.14         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       12         12         12         12         12
 MEAN                         7.7      0.005      0.034      147.2        72.
 MINIMUM                      7.4      0.002      0.009       45.2        12.
 DATE OF MINIMUM       1997-11-18 1997-12-16 1997-05-20 1997-03-18 1997-04-22
 10TH PERCENTILE              7.4      0.002      0.009       45.7        15.
 MEDIAN                       7.7      0.005      0.016       87.6        88.
 90TH PERCENTILE              8.0      0.007      0.067      284.9       100.
 MAXIMUM                      8.3      0.007      0.121      490.5       100.
 DATE OF MAXIMUM       1997-02-18 1997-11-18 1997-11-18 1997-11-18 1997-06-17
 STANDARD DEVIATION           0.3      0.002      0.034      135.5        32.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-22 TO 1997-12-17

 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       12         12         12         12         12
 MEAN                        52.1       11.2        0.9        2.9        0.6
 MINIMUM                     33.0        7.0        0.0        1.6        0.2
 DATE OF MINIMUM       1997-02-19 1997-02-19 1997-01-22 1997-02-19 1997-02-19
 10TH PERCENTILE             33.6        7.2        0.0        1.7        0.3
 MEDIAN                      44.5       10.0        1.0        2.5        0.5
 90TH PERCENTILE             69.0       15.5        2.0        3.8        0.7
 MAXIMUM                    116.0       23.0        2.0        6.6        1.2
 DATE OF MAXIMUM       1997-10-22 1997-10-22 1997-04-23 1997-10-22 1997-10-22
 STANDARD DEVIATION          23.1        4.6        0.9        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       12         12         12         12         12
 MEAN                        130.       10.4        1.8        9.5      0.059
 MINIMUM                      94.        5.8        0.2        0.6      0.002
 DATE OF MINIMUM       1997-08-20 1997-07-23 1997-10-22 1997-01-22 1997-02-19
 10TH PERCENTILE              98.        6.0        0.2        0.7      0.003
 MEDIAN                      130.        8.4        1.3        2.9      0.058
 90TH PERCENTILE             151.       15.6        3.6       28.7      0.107
 MAXIMUM                     156.       17.5        3.8       40.0      0.159
 DATE OF MAXIMUM       1997-02-19 1997-02-19 1997-02-19 1997-10-22 1997-07-23
 STANDARD DEVIATION           18.        4.0        1.4       13.7      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       12         12         12         12         12
 MEAN                        0.00       0.17       101.       11.0         0.
 MINIMUM                     0.00       0.07        97.        9.0         0.
 DATE OF MINIMUM       1997-01-22 1997-03-19 1997-02-19 1997-02-19 1997-03-19
 10TH PERCENTILE             0.00       0.07        98.        9.1         0.
 MEDIAN                      0.00       0.15       100.       11.4         0.
 90TH PERCENTILE             0.00       0.27       105.       12.1         1.
 MAXIMUM                     0.01       0.32       106.       12.4         1.
 DATE OF MAXIMUM       1997-10-22 1997-10-22 1997-05-21 1997-05-21 1997-12-17
 STANDARD DEVIATION          0.00       0.08         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       12         12         12         12         12
 MEAN                         8.0      0.004      0.024       49.4        54.
 MINIMUM                      7.9      0.001      0.005       16.1         0.
 DATE OF MINIMUM       1997-08-20 1997-03-19 1997-05-21 1997-02-19 1997-03-19
 10TH PERCENTILE              7.9      0.001      0.005       16.5         0.
 MEDIAN                       8.0      0.003      0.011       41.5        56.
 90TH PERCENTILE              8.2      0.006      0.048       94.5       100.
 MAXIMUM                      8.3      0.008      0.102      125.6       100.
 DATE OF MAXIMUM       1997-01-22 1997-10-22 1997-10-22 1997-10-22 1997-06-18
 STANDARD DEVIATION           0.1      0.002      0.029       34.7        41.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-22 TO 1997-12-17

 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       12         12         12         12         12
 MEAN                        63.3       12.9        0.8        3.5        0.7
 MINIMUM                     34.0        7.0        0.0        2.0        0.2
 DATE OF MINIMUM       1997-12-17 1997-02-19 1997-01-22 1997-12-17 1997-02-19
 10TH PERCENTILE             35.0        7.0        0.0        2.0        0.2
 MEDIAN                      49.0       10.5        0.5        2.8        0.6
 90TH PERCENTILE             88.0       19.2        2.0        4.8        0.9
 MAXIMUM                    175.0       34.0        2.0        9.8        1.8
 DATE OF MAXIMUM       1997-10-22 1997-10-22 1997-04-23 1997-10-22 1997-10-22
 STANDARD DEVIATION          39.3        7.9        0.9        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       12         12         12         12         12
 MEAN                        159.       12.6        1.7        8.0      0.063
 MINIMUM                     136.        6.9        0.2        0.9      0.000
 DATE OF MINIMUM       1997-11-19 1997-07-23 1997-10-22 1997-02-19 1997-01-22
 10TH PERCENTILE             136.        7.1        0.2        1.0      0.000
 MEDIAN                      156.       10.9        1.3        3.1      0.055
 90TH PERCENTILE             183.       18.4        3.6        7.6      0.153
 MAXIMUM                     194.       19.6        4.1       61.0      0.174
 DATE OF MAXIMUM       1997-02-19 1997-12-17 1997-05-21 1997-10-22 1997-07-23
 STANDARD DEVIATION           20.        4.5        1.3       16.8      0.066




                              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       12         12         12         12         12
 MEAN                        0.00       0.19       102.       10.8         0.
 MINIMUM                     0.00       0.06        99.        9.4         0.
 DATE OF MINIMUM       1997-01-22 1997-03-19 1997-06-18 1997-02-19 1997-04-23
 10TH PERCENTILE             0.00       0.07        99.        9.4         0.
 MEDIAN                      0.00       0.15       102.       11.0         0.
 90TH PERCENTILE             0.01       0.28       105.       11.8         1.
 MAXIMUM                     0.01       0.54       106.       12.0         1.
 DATE OF MAXIMUM       1997-10-22 1997-10-22 1997-12-17 1997-09-17 1997-10-22
 STANDARD DEVIATION          0.00       0.13         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       12         12         12         12         12
 MEAN                         8.0      0.005      0.022       49.4        58.
 MINIMUM                      7.8      0.001      0.006       17.7         0.
 DATE OF MINIMUM       1997-04-23 1997-01-22 1997-05-21 1997-02-19 1997-12-17
 10TH PERCENTILE              7.8      0.001      0.006       18.2         5.
 MEDIAN                       8.1      0.004      0.014       40.8        50.
 90TH PERCENTILE              8.2      0.007      0.022       95.7       100.
 MAXIMUM                      8.2      0.013      0.121      138.1       100.
 DATE OF MAXIMUM       1997-05-21 1997-10-22 1997-10-22 1997-10-22 1997-06-18
 STANDARD DEVIATION           0.1      0.003      0.032       38.5        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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-22 TO 1997-12-17

 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       12         12         12         12         12
 MEAN                       105.0       21.6        1.6        5.8        1.1
 MINIMUM                     59.0       12.0        0.0        3.3        0.7
 DATE OF MINIMUM       1997-12-17 1997-05-21 1997-03-19 1997-12-17 1997-12-17
 10TH PERCENTILE             59.6       12.2        0.0        3.3        0.7
 MEDIAN                      92.5       19.0        1.0        5.2        1.0
 90TH PERCENTILE            121.8       25.1        3.4        6.8        1.3
 MAXIMUM                    258.0       52.0        5.0       14.4        2.6
 DATE OF MAXIMUM       1997-10-22 1997-10-22 1997-02-19 1997-10-22 1997-10-22
 STANDARD DEVIATION          51.8       10.3        1.5        2.9        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       12         12         12         12         12
 MEAN                        260.       12.5        1.2       10.7      0.477
 MINIMUM                     192.        6.8        0.1        1.2      0.017
 DATE OF MINIMUM       1997-10-22 1997-07-23 1997-10-22 1997-05-21 1997-02-19
 10TH PERCENTILE             198.        7.2        0.2        1.2      0.053
 MEDIAN                      260.       10.6        1.1        3.7      0.406
 90TH PERCENTILE             304.       18.1        2.0        7.4      0.885
 MAXIMUM                     313.       19.1        2.5       84.0      1.101
 DATE OF MAXIMUM       1997-05-21 1997-02-19 1997-12-17 1997-10-22 1997-07-23
 STANDARD DEVIATION           37.        4.1        0.7       23.2      0.320




                              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       12         12         12         12         12
 MEAN                        0.02       0.74       100.       10.5         1.
 MINIMUM                     0.01       0.24        90.        8.1         0.
 DATE OF MINIMUM       1997-05-21 1997-02-19 1997-02-19 1997-02-19 1997-04-23
 10TH PERCENTILE             0.01       0.27        91.        8.3         0.
 MEDIAN                      0.01       0.60       101.       10.8         0.
 90TH PERCENTILE             0.02       1.27       104.       11.6         1.
 MAXIMUM                     0.05       1.48       107.       11.9         2.
 DATE OF MAXIMUM       1997-12-17 1997-06-18 1997-11-19 1997-07-23 1997-10-22
 STANDARD DEVIATION          0.01       0.39         4.        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       12         12         12         12         12
 MEAN                         8.1      0.014      0.050        7.6        62.
 MINIMUM                      7.9      0.006      0.020        2.0        12.
 DATE OF MINIMUM       1997-10-22 1997-05-21 1997-05-21 1997-02-19 1997-01-22
 10TH PERCENTILE              7.9      0.006      0.022        2.1        12.
 MEDIAN                       8.1      0.012      0.034        6.1        88.
 90TH PERCENTILE              8.2      0.020      0.053       10.6       100.
 MAXIMUM                      8.2      0.027      0.213       26.5       100.
 DATE OF MAXIMUM       1997-05-21 1997-10-22 1997-10-22 1997-10-22 1997-06-18
 STANDARD DEVIATION           0.1      0.006      0.052        6.6        40.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-22 TO 1997-12-17

 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       12         12         12         12         12
 MEAN                       130.0       28.9        2.2        7.2        1.5
 MINIMUM                     57.0       11.0        0.0        3.3        0.6
 DATE OF MINIMUM       1997-05-21 1997-05-21 1997-05-21 1997-05-21 1997-02-19
 10TH PERCENTILE             59.2       11.6        0.2        3.4        0.6
 MEDIAN                      97.0       20.0        2.0        5.4        1.0
 90TH PERCENTILE            228.0       51.8        4.1       12.6        2.6
 MAXIMUM                    290.0       73.0        7.0       15.8        3.5
 DATE OF MAXIMUM       1997-12-17 1997-12-17 1997-12-17 1997-12-17 1997-12-17
 STANDARD DEVIATION          75.6       19.3        1.9        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       12         12         12         12         12
 MEAN                        167.       13.3        0.8       28.0      0.555
 MINIMUM                      66.        8.6        0.1        1.1      0.163
 DATE OF MINIMUM       1997-12-17 1997-07-23 1997-12-17 1997-05-21 1997-12-17
 10TH PERCENTILE              78.        8.9        0.1        1.5      0.200
 MEDIAN                      188.       12.1        0.8        4.9      0.522
 90TH PERCENTILE             207.       17.5        1.2       64.1      0.879
 MAXIMUM                     220.       18.4        2.9      153.0      1.051
 DATE OF MAXIMUM       1997-05-21 1997-02-19 1997-05-21 1997-12-17 1997-07-23
 STANDARD DEVIATION           46.        3.4        0.8       44.9      0.253




                              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       12         12         12         12         12
 MEAN                        0.01       0.81       102.       10.6         1.
 MINIMUM                     0.00       0.53        96.        9.0         0.
 DATE OF MINIMUM       1997-05-21 1997-02-19 1997-02-19 1997-02-19 1997-07-23
 10TH PERCENTILE             0.00       0.54        96.        9.0         0.
 MEDIAN                      0.01       0.69        99.       10.6         1.
 90TH PERCENTILE             0.02       1.13       106.       11.5         1.
 MAXIMUM                     0.03       1.38       124.       13.3         2.
 DATE OF MAXIMUM       1997-10-22 1997-06-18 1997-05-21 1997-05-21 1997-12-17
 STANDARD DEVIATION          0.01       0.27         8.        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       12         12         12         12         12
 MEAN                         7.7      0.013      0.063       75.3        69.
 MINIMUM                      7.2      0.002      0.013       21.9        12.
 DATE OF MINIMUM       1997-12-17 1997-05-21 1997-05-21 1997-02-19 1997-12-17
 10TH PERCENTILE              7.2      0.003      0.015       22.4        15.
 MEDIAN                       7.7      0.012      0.033       57.9        81.
 90TH PERCENTILE              7.9      0.022      0.139      137.7       100.
 MAXIMUM                      8.4      0.024      0.206      187.4       100.
 DATE OF MAXIMUM       1997-05-21 1997-04-23 1997-12-17 1997-10-22 1997-06-18
 STANDARD DEVIATION           0.3      0.006      0.061       53.2        33.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-22 TO 1997-12-17

 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       12         12         12         12         12
 MEAN                       113.5       24.4        1.8        6.3        1.2
 MINIMUM                     61.0       11.0        0.0        3.5        0.6
 DATE OF MINIMUM       1997-05-21 1997-05-21 1997-02-19 1997-05-21 1997-05-21
 10TH PERCENTILE             63.2       11.6        0.0        3.6        0.7
 MEDIAN                      90.0       18.5        1.0        5.1        1.0
 90TH PERCENTILE            187.8       41.1        3.0       10.4        2.1
 MAXIMUM                    211.0       45.0        8.0       11.9        2.3
 DATE OF MAXIMUM       1997-10-22 1997-12-17 1997-04-23 1997-10-22 1997-12-17
 STANDARD DEVIATION          49.9       11.9        2.2        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       12         12         12         12         12
 MEAN                        171.       13.6        0.7       26.0      0.595
 MINIMUM                      74.        8.5        0.1        2.0      0.259
 DATE OF MINIMUM       1997-12-17 1997-07-23 1997-12-17 1997-05-21 1997-12-17
 10TH PERCENTILE              84.        8.8        0.1        2.3      0.283
 MEDIAN                      192.       12.2        0.8        6.2      0.591
 90TH PERCENTILE             210.       18.1        1.1       62.5      0.874
 MAXIMUM                     228.       18.7        1.6      138.0      1.034
 DATE OF MAXIMUM       1997-05-21 1997-02-19 1997-05-21 1997-12-17 1997-07-23
 STANDARD DEVIATION           46.        3.6        0.5       41.3      0.227




                              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       12         12         12         12         12
 MEAN                        0.09       0.98       100.       10.4         2.
 MINIMUM                     0.03       0.65        91.        8.4         1.
 DATE OF MINIMUM       1997-12-17 1997-12-17 1997-02-19 1997-02-19 1997-11-19
 10TH PERCENTILE             0.04       0.66        91.        8.5         1.
 MEDIAN                      0.08       0.95        98.       10.3         1.
 90TH PERCENTILE             0.14       1.24       107.       11.9         2.
 MAXIMUM                     0.18       1.61       115.       12.4         3.
 DATE OF MAXIMUM       1997-06-18 1997-06-18 1997-05-21 1997-05-21 1997-10-22
 STANDARD DEVIATION          0.04       0.28         7.        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       12         12         12         12         12
 MEAN                         7.6      0.040      0.112       79.1        69.
 MINIMUM                      7.2      0.020      0.054       23.0         0.
 DATE OF MINIMUM       1997-12-17 1997-12-17 1997-09-17 1997-02-19 1997-12-17
 10TH PERCENTILE              7.3      0.021      0.057       23.5         2.
 MEDIAN                       7.6      0.043      0.091       60.8        88.
 90TH PERCENTILE              7.9      0.058      0.185      144.6       100.
 MAXIMUM                      8.1      0.064      0.257      196.8       100.
 DATE OF MAXIMUM       1997-05-21 1997-02-19 1997-12-17 1997-10-22 1997-02-19
 STANDARD DEVIATION           0.2      0.015      0.061       55.9        38.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-21 TO 1997-12-16

 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       12         12         12         12         12
 MEAN                        78.6       14.8        1.0        4.4        0.8
 MINIMUM                     45.0        8.0        0.0        2.6        0.5
 DATE OF MINIMUM       1997-12-16 1997-12-16 1997-01-21 1997-12-16 1997-12-16
 10TH PERCENTILE             46.2        8.2        0.0        2.7        0.5
 MEDIAN                      70.0       14.0        1.0        3.9        0.7
 90TH PERCENTILE            111.0       21.1        1.7        6.3        1.1
 MAXIMUM                    150.0       27.0        5.0        8.0        1.2
 DATE OF MAXIMUM       1997-03-17 1997-03-17 1997-03-17 1997-03-17 1997-10-21
 STANDARD DEVIATION          29.8        5.5        1.4        1.6        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       12         12         12         12         12
 MEAN                        464.       16.0        0.2      127.1      0.531
 MINIMUM                     373.        7.0        0.0        4.1      0.000
 DATE OF MINIMUM       1997-10-21 1997-07-22 1997-10-21 1997-12-16 1997-02-17
 10TH PERCENTILE             379.        7.2        0.0        4.4      0.000
 MEDIAN                      471.       14.8        0.1      102.5      0.102
 90TH PERCENTILE             532.       23.0        0.6      257.5      0.367
 MAXIMUM                     540.       26.9        0.9      420.0      5.000
 DATE OF MAXIMUM       1997-12-16 1997-02-17 1997-12-16 1997-10-21 1997-06-24
 STANDARD DEVIATION           55.        6.3        0.3      123.0      1.414




                              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       12         12         12         12         12
 MEAN                        0.01       0.32       100.       10.0         0.
 MINIMUM                     0.00       0.10        98.        8.5         0.
 DATE OF MINIMUM       1997-02-17 1997-02-17 1997-03-17 1997-02-17 1997-04-22
 10TH PERCENTILE             0.00       0.11        98.        8.5         0.
 MEDIAN                      0.00       0.23       100.       10.0         0.
 90TH PERCENTILE             0.02       0.58       103.       11.4         1.
 MAXIMUM                     0.02       0.63       105.       12.1         1.
 DATE OF MAXIMUM       1997-10-21 1997-10-21 1997-02-17 1997-07-22 1997-12-16
 STANDARD DEVIATION          0.01       0.19         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       12         12         12         12         12
 MEAN                         8.1      0.005      0.092       21.7        44.
 MINIMUM                      8.0      0.001      0.007        3.0         0.
 DATE OF MINIMUM       1997-07-22 1997-12-16 1997-02-17 1997-02-17 1997-01-21
 10TH PERCENTILE              8.0      0.001      0.007        3.2         0.
 MEDIAN                       8.1      0.003      0.084       18.3        38.
 90TH PERCENTILE              8.2      0.011      0.167       35.2        96.
 MAXIMUM                      8.3      0.013      0.261       64.9       100.
 DATE OF MAXIMUM       1997-01-21 1997-03-17 1997-10-21 1997-10-21 1997-12-16
 STANDARD DEVIATION           0.1      0.005      0.074       17.9        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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-21 TO 1997-12-16

 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       12         12         12         12         12
 MEAN                        86.6       18.8        1.5        4.8        0.9
 MINIMUM                     58.0       13.0        0.0        3.2        0.7
 DATE OF MINIMUM       1997-07-23 1997-07-23 1997-01-21 1997-07-23 1997-07-23
 10TH PERCENTILE             60.4       13.6        0.0        3.3        0.7
 MEDIAN                      88.5       18.0        1.0        4.7        1.0
 90TH PERCENTILE            109.0       23.0        2.7        6.1        1.1
 MAXIMUM                    116.0       26.0        6.0        6.5        1.4
 DATE OF MAXIMUM       1997-03-17 1997-11-19 1997-04-22 1997-11-19 1997-11-19
 STANDARD DEVIATION          17.4        3.7        1.7        1.0        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       12         12         12         12         11
 MEAN                        152.       12.2        2.3        2.7      0.139
 MINIMUM                     107.        7.1        0.7        1.0      0.027
 DATE OF MINIMUM       1997-10-21 1997-07-23 1997-03-17 1997-02-17 1997-12-16
 10TH PERCENTILE             109.        7.2        0.8        1.0      0.028
 MEDIAN                      145.       11.4        2.2        2.0      0.116
 90TH PERCENTILE             198.       16.7        3.7        5.8      0.301
 MAXIMUM                     209.       18.9        3.8        7.5      0.387
 DATE OF MAXIMUM       1997-12-16 1997-02-17 1997-04-22 1997-03-17 1997-06-24
 STANDARD DEVIATION           33.        4.1        1.0        2.2      0.117




                              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       12         12         12         12         12
 MEAN                        0.01       0.32       103.       10.5         1.
 MINIMUM                     0.00       0.20       100.        9.2         0.
 DATE OF MINIMUM       1997-08-19 1997-09-23 1997-07-23 1997-02-17 1997-04-22
 10TH PERCENTILE             0.00       0.21       100.        9.2         0.
 MEDIAN                      0.01       0.26       103.       10.6         1.
 90TH PERCENTILE             0.01       0.46       105.       11.4         1.
 MAXIMUM                     0.01       0.64       105.       11.7        10.
 DATE OF MAXIMUM       1997-02-17 1997-06-24 1997-09-23 1997-04-22 1997-07-23
 STANDARD DEVIATION          0.00       0.13         2.        0.9         3.




                               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       12         12         12         12         12
 MEAN                         8.2      0.006      0.016        0.6        47.
 MINIMUM                      7.9      0.002      0.009        0.1         0.
 DATE OF MINIMUM       1997-10-21 1997-09-23 1997-09-23 1997-12-16 1997-01-21
 10TH PERCENTILE              7.9      0.002      0.009        0.1         0.
 MEDIAN                       8.2      0.006      0.016        0.5        44.
 90TH PERCENTILE              8.5      0.008      0.019        1.1       100.
 MAXIMUM                      8.8      0.011      0.027        1.2       100.
 DATE OF MAXIMUM       1997-09-23 1997-03-17 1997-03-17 1997-10-21 1997-12-16
 STANDARD DEVIATION           0.3      0.003      0.005        0.4        40.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-21 TO 1997-12-16

 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       12         12         12         12         12
 MEAN                        87.2       18.2        1.2        4.9        0.9
 MINIMUM                     69.0       13.0        0.0        3.6        0.7
 DATE OF MINIMUM       1997-05-20 1997-05-20 1997-01-21 1997-07-22 1997-08-19
 10TH PERCENTILE             69.4       13.4        0.0        3.7        0.7
 MEDIAN                      88.5       17.5        1.0        4.9        0.9
 90TH PERCENTILE            102.6       21.4        2.0        5.7        1.1
 MAXIMUM                    114.0       26.0        4.0        6.4        1.4
 DATE OF MAXIMUM       1997-11-19 1997-11-19 1997-07-22 1997-11-19 1997-11-19
 STANDARD DEVIATION          14.8        3.4        1.1        0.9        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       12         12         12         12         12
 MEAN                         80.       12.1        2.4        5.2      0.125
 MINIMUM                      66.        5.7        0.2        0.8      0.001
 DATE OF MINIMUM       1997-11-19 1997-07-22 1997-10-21 1997-09-23 1997-05-20
 10TH PERCENTILE              66.        6.0        0.3        0.8      0.002
 MEDIAN                       79.       10.6        2.7        1.5      0.101
 90TH PERCENTILE              93.       18.1        4.0       14.1      0.280
 MAXIMUM                      94.       18.9        5.1       17.5      0.318
 DATE OF MAXIMUM       1997-12-16 1997-02-17 1997-05-20 1997-10-21 1997-06-24
 STANDARD DEVIATION            9.        4.4        1.7        6.2      0.119




                              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       12         12         12         12         12
 MEAN                        0.01       0.27       102.       10.5         0.
 MINIMUM                     0.00       0.11        97.        8.6         0.
 DATE OF MINIMUM       1997-05-20 1997-09-23 1997-12-16 1997-12-16 1997-08-19
 10TH PERCENTILE             0.00       0.11        98.        8.7         0.
 MEDIAN                      0.00       0.20       101.       10.9         0.
 90TH PERCENTILE             0.01       0.47       105.       11.5         1.
 MAXIMUM                     0.01       0.56       105.       11.9         1.
 DATE OF MAXIMUM       1997-10-21 1997-06-24 1997-05-20 1997-07-22 1997-10-21
 STANDARD DEVIATION          0.00       0.16         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       12         12         12         12         12
 MEAN                         7.7      0.011      0.026        8.2        54.
 MINIMUM                      7.4      0.005      0.010        1.6         0.
 DATE OF MINIMUM       1997-10-21 1997-05-20 1997-05-20 1997-12-16 1997-01-21
 10TH PERCENTILE              7.4      0.005      0.010        1.6         0.
 MEDIAN                       7.7      0.010      0.019        5.8        62.
 90TH PERCENTILE              7.9      0.014      0.046       15.4       100.
 MAXIMUM                      8.0      0.021      0.067       21.2       100.
 DATE OF MAXIMUM       1997-05-20 1997-11-19 1997-10-21 1997-10-21 1997-09-23
 STANDARD DEVIATION           0.2      0.005      0.018        6.5        45.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-08 TO 1997-12-10

 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       12         12         12         12         12
 MEAN                        58.8       13.0        1.1        3.2        0.6
 MINIMUM                     21.0        4.0        0.0        1.1        0.1
 DATE OF MINIMUM       1997-05-07 1997-05-07 1997-01-08 1997-05-07 1997-05-07
 10TH PERCENTILE             23.0        4.2        0.0        1.2        0.2
 MEDIAN                      36.5        8.5        1.0        2.0        0.4
 90TH PERCENTILE            114.0       24.4        2.0        6.3        1.2
 MAXIMUM                    194.0       40.0        3.0       11.0        2.2
 DATE OF MAXIMUM       1997-04-09 1997-04-09 1997-07-09 1997-04-09 1997-04-09
 STANDARD DEVIATION          52.4       10.7        0.9        3.0        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       12         12         12         12         12
 MEAN                         93.       13.3        1.8       71.6      0.051
 MINIMUM                      61.        7.1        0.0        0.6      0.002
 DATE OF MINIMUM       1997-06-03 1997-08-06 1997-06-03 1997-03-05 1997-02-04
 10TH PERCENTILE              62.        7.5        0.0        0.6      0.002
 MEDIAN                       95.       13.1        0.8       10.0      0.035
 90TH PERCENTILE             109.       16.7        4.8       87.8      0.125
 MAXIMUM                     113.       20.6        6.4      630.0      0.147
 DATE OF MAXIMUM       1997-03-05 1997-03-05 1997-03-05 1997-06-03 1997-06-03
 STANDARD DEVIATION           17.        3.9        2.2      178.6      0.052




                              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       12         12         12         12         12
 MEAN                        0.00       0.16       101.       10.6         0.
 MINIMUM                     0.00       0.03        97.        9.3         0.
 DATE OF MINIMUM       1997-05-07 1997-03-05 1997-01-08 1997-02-04 1997-12-10
 10TH PERCENTILE             0.00       0.03        98.        9.3         0.
 MEDIAN                      0.00       0.09       100.       10.7         0.
 90TH PERCENTILE             0.00       0.30       103.       11.4         0.
 MAXIMUM                     0.01       0.66       106.       12.2         1.
 DATE OF MAXIMUM       1997-06-03 1997-06-03 1997-03-05 1997-08-06 1997-04-09
 STANDARD DEVIATION          0.00       0.18         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       12         12         12         12         12
 MEAN                         7.8      0.011      0.134      107.1        61.
 MINIMUM                      7.5      0.005      0.010       20.9         0.
 DATE OF MINIMUM       1997-07-09 1997-03-05 1997-05-07 1997-03-05 1997-08-06
 10TH PERCENTILE              7.5      0.005      0.010       21.1         0.
 MEDIAN                       7.7      0.011      0.027       44.8        88.
 90TH PERCENTILE              7.9      0.015      0.287      193.8       100.
 MAXIMUM                      8.1      0.021      0.930      571.2       100.
 DATE OF MAXIMUM       1997-03-05 1997-06-03 1997-06-03 1997-06-03 1997-02-04
 STANDARD DEVIATION           0.2      0.004      0.271      157.3        44.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-16 TO 1997-12-18

 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       12         12         12         12         12
 MEAN                        55.3       12.8        1.4        3.0        0.6
 MINIMUM                     14.0        2.0        0.0        0.7        0.0
 DATE OF MINIMUM       1997-05-08 1997-05-08 1997-01-16 1997-05-08 1997-05-08
 10TH PERCENTILE             14.4        2.4        0.0        0.7        0.0
 MEDIAN                      27.0        7.0        1.0        1.4        0.2
 90TH PERCENTILE            131.8       30.2        2.7        7.1        1.4
 MAXIMUM                    197.0       40.0        5.0       11.3        2.3
 DATE OF MAXIMUM       1997-12-18 1997-12-18 1997-07-02 1997-12-18 1997-12-18
 STANDARD DEVIATION          60.2       12.6        1.4        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       12         12         12         12         12
 MEAN                         92.       10.6        2.2       58.5      0.078
 MINIMUM                      57.        5.9        0.0        0.4      0.005
 DATE OF MINIMUM       1997-07-02 1997-08-07 1997-07-02 1997-05-08 1997-02-12
 10TH PERCENTILE              61.        6.2        0.0        0.5      0.005
 MEDIAN                       96.        9.5        1.1        4.2      0.036
 90TH PERCENTILE             104.       15.2        5.5      123.3      0.181
 MAXIMUM                     108.       16.5        5.9      480.0      0.294
 DATE OF MAXIMUM       1997-12-18 1997-03-06 1997-02-12 1997-07-02 1997-06-03
 STANDARD DEVIATION           14.        3.6        2.3      140.9      0.090




                              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       12         12         12         12         12
 MEAN                        0.00       0.17        99.       10.7         0.
 MINIMUM                     0.00       0.03        96.        9.3         0.
 DATE OF MINIMUM       1997-02-12 1997-12-18 1997-12-18 1997-03-06 1997-11-12
 10TH PERCENTILE             0.00       0.03        97.        9.3         0.
 MEDIAN                      0.00       0.09       100.       11.0         0.
 90TH PERCENTILE             0.00       0.46       101.       11.7         0.
 MAXIMUM                     0.01       0.60       101.       12.1         1.
 DATE OF MAXIMUM       1997-06-03 1997-07-02 1997-09-16 1997-08-07 1997-07-02
 STANDARD DEVIATION          0.00       0.20         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       12         12         12         12         12
 MEAN                         7.7      0.007      0.092       12.7        81.
 MINIMUM                      7.5      0.003      0.005        1.9         0.
 DATE OF MINIMUM       1997-07-02 1997-05-08 1997-05-08 1997-12-18 1997-05-08
 10TH PERCENTILE              7.5      0.003      0.005        2.0         5.
 MEDIAN                       7.7      0.006      0.011        4.9       100.
 90TH PERCENTILE              7.9      0.009      0.182       18.0       100.
 MAXIMUM                      7.9      0.018      0.730       82.0       100.
 DATE OF MAXIMUM       1997-02-12 1997-06-03 1997-07-02 1997-07-02 1997-03-06
 STANDARD DEVIATION           0.1      0.004      0.212       22.5        33.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-16 TO 1997-12-04

 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       12         12         12         12         12
 MEAN                       107.3       22.2        1.4        6.0        1.1
 MINIMUM                     27.0        5.0        0.0        1.6        0.2
 DATE OF MINIMUM       1997-05-08 1997-05-08 1997-01-16 1997-05-08 1997-03-06
 10TH PERCENTILE             27.8        5.4        0.0        1.6        0.2
 MEDIAN                      70.0       14.0        0.5        4.0        0.8
 90TH PERCENTILE            261.2       56.1        4.1       14.4        2.8
 MAXIMUM                    311.0       70.0        6.0       17.3        3.4
 DATE OF MAXIMUM       1997-06-03 1997-07-02 1997-07-02 1997-06-03 1997-07-02
 STANDARD DEVIATION         101.8       22.8        2.1        5.6        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       12         12         12         12         12
 MEAN                        185.       15.0        1.7      122.6      0.622
 MINIMUM                     132.        8.5        0.0        0.6      0.156
 DATE OF MINIMUM       1997-07-02 1997-06-03 1997-06-03 1997-12-04 1997-02-12
 10TH PERCENTILE             132.        8.6        0.0        0.6      0.165
 MEDIAN                      179.       15.0        2.0        2.0      0.557
 90TH PERCENTILE             233.       20.1        3.3      446.1      1.034
 MAXIMUM                     241.       21.4        3.3      790.0      1.261
 DATE OF MAXIMUM       1997-08-07 1997-02-12 1997-05-08 1997-06-03 1997-08-07
 STANDARD DEVIATION           37.        4.5        1.4      276.6      0.357




                              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       12         12         12         12         12
 MEAN                        0.01       1.03       114.       11.4         1.
 MINIMUM                     0.00       0.29        96.        9.4         0.
 DATE OF MINIMUM       1997-09-10 1997-02-12 1997-06-03 1997-01-16 1997-11-04
 10TH PERCENTILE             0.00       0.30        96.        9.5         0.
 MEDIAN                      0.01       1.06       109.       11.2         0.
 90TH PERCENTILE             0.03       1.72       132.       13.0         3.
 MAXIMUM                     0.05       2.07       154.       14.9         4.
 DATE OF MAXIMUM       1997-06-03 1997-06-03 1997-04-16 1997-04-16 1997-06-03
 STANDARD DEVIATION          0.01       0.59        19.        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       12         12         12         12         12
 MEAN                         8.5      0.022      0.199      296.4        66.
 MINIMUM                      7.9      0.003      0.010        7.0         0.
 DATE OF MINIMUM       1997-08-07 1997-05-08 1997-02-12 1997-02-12 1997-05-08
 10TH PERCENTILE              7.9      0.003      0.011        7.9         0.
 MEDIAN                       8.4      0.014      0.029       39.8        81.
 90TH PERCENTILE              9.0      0.054      0.643     1131.6       100.
 MAXIMUM                      9.3      0.074      1.173     1640.0       100.
 DATE OF MAXIMUM       1997-04-16 1997-06-03 1997-06-03 1997-06-03 1997-07-02
 STANDARD DEVIATION           0.5      0.024      0.392      614.1        38.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-14 TO 1997-12-04

 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       12         12         12         12         12
 MEAN                        69.1       15.2        1.8        3.8        0.7
 MINIMUM                     13.0        2.0        0.0        0.7        0.1
 DATE OF MINIMUM       1997-05-08 1997-05-08 1997-01-14 1997-05-08 1997-05-08
 10TH PERCENTILE             13.6        2.4        0.0        0.8        0.1
 MEDIAN                      27.0        7.0        0.5        1.6        0.4
 90TH PERCENTILE            200.6       40.6        4.1       11.0        1.9
 MAXIMUM                    262.0       61.0       10.0       13.8        2.5
 DATE OF MAXIMUM       1997-06-03 1997-06-03 1997-06-03 1997-06-03 1997-06-03
 STANDARD DEVIATION          89.3       19.7        3.0        4.8        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       12         12         12         12         12
 MEAN                        145.       15.3        2.0       76.7      0.115
 MINIMUM                     125.        8.1        0.0        0.3      0.002
 DATE OF MINIMUM       1997-10-07 1997-06-03 1997-07-02 1997-05-08 1997-04-08
 10TH PERCENTILE             126.        8.3        0.0        0.4      0.003
 MEDIAN                      146.       16.6        1.2        2.3      0.051
 90TH PERCENTILE             164.       19.6        4.1      239.9      0.306
 MAXIMUM                     164.       20.4        5.6      560.0      0.489
 DATE OF MAXIMUM       1997-08-07 1997-01-14 1997-05-08 1997-07-02 1997-06-03
 STANDARD DEVIATION           15.        4.7        1.9      180.6      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       12         12         12         12         12
 MEAN                        0.01       0.30       105.       10.5         0.
 MINIMUM                     0.00       0.04        93.        9.0         0.
 DATE OF MINIMUM       1997-05-08 1997-04-08 1997-07-02 1997-02-04 1997-10-07
 10TH PERCENTILE             0.00       0.04        94.        9.1         0.
 MEDIAN                      0.00       0.12       104.       10.5         0.
 90TH PERCENTILE             0.02       0.86       113.       11.4         2.
 MAXIMUM                     0.02       1.30       115.       11.8         2.
 DATE OF MAXIMUM       1997-06-03 1997-06-03 1997-12-04 1997-08-07 1997-06-03
 STANDARD DEVIATION          0.01       0.43         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       12         12         12         12         12
 MEAN                         8.2      0.015      0.114      114.0        72.
 MINIMUM                      7.9      0.002      0.005       10.7         0.
 DATE OF MINIMUM       1997-08-07 1997-05-08 1997-05-08 1997-02-04 1997-05-08
 10TH PERCENTILE              7.9      0.002      0.005       10.7         2.
 MEDIAN                       8.2      0.007      0.013       25.8        94.
 90TH PERCENTILE              8.6      0.042      0.410      229.6       100.
 MAXIMUM                      8.8      0.061      0.656      818.0       100.
 DATE OF MAXIMUM       1997-03-04 1997-06-03 1997-07-02 1997-07-02 1997-04-08
 STANDARD DEVIATION           0.3      0.021      0.233      235.9        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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-15 TO 1997-12-11

 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       12         12         12         12         12
 MEAN                        33.3        8.2        0.7        1.8        0.4
 MINIMUM                     12.0        3.0        0.0        0.6        0.1
 DATE OF MINIMUM       1997-05-07 1997-05-07 1997-01-15 1997-05-07 1997-05-07
 10TH PERCENTILE             12.6        3.2        0.0        0.6        0.1
 MEDIAN                      21.0        5.5        1.0        1.1        0.3
 90TH PERCENTILE             52.1       12.1        1.0        3.0        0.7
 MAXIMUM                    135.0       28.0        2.0        7.5        1.4
 DATE OF MAXIMUM       1997-04-09 1997-04-09 1997-04-09 1997-04-09 1997-04-09
 STANDARD DEVIATION          34.4        6.9        0.7        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       12         12         12         12         12
 MEAN                         72.       10.6        4.5        4.2      0.010
 MINIMUM                      47.        4.5        0.2        0.3      0.002
 DATE OF MINIMUM       1997-04-09 1997-08-06 1997-04-09 1997-02-25 1997-01-15
 10TH PERCENTILE              49.        4.6        0.2        0.3      0.002
 MEDIAN                       73.       10.5        4.5        1.2      0.005
 90TH PERCENTILE              86.       16.6        6.4       10.2      0.022
 MAXIMUM                      90.       18.3       12.7       25.0      0.032
 DATE OF MAXIMUM       1997-03-05 1997-03-05 1997-05-07 1997-04-09 1997-06-05
 STANDARD DEVIATION           13.        4.8        3.5        7.4      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       12         12         12         12         12
 MEAN                        0.00       0.09       100.       10.6         0.
 MINIMUM                     0.00       0.02        96.        8.5         0.
 DATE OF MINIMUM       1997-01-15 1997-12-11 1997-04-09 1997-03-05 1997-12-11
 10TH PERCENTILE             0.00       0.02        97.        8.6         0.
 MEDIAN                      0.00       0.05       100.       10.7         0.
 90TH PERCENTILE             0.00       0.13       101.       12.0         1.
 MAXIMUM                     0.01       0.37       102.       12.4         2.
 DATE OF MAXIMUM       1997-09-04 1997-04-09 1997-02-25 1997-08-06 1997-04-09
 STANDARD DEVIATION          0.00       0.10         2.        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       12         12         12         12         12
 MEAN                         7.8      0.002      0.013       19.9        64.
 MINIMUM                      7.6      0.001      0.002        4.7         0.
 DATE OF MINIMUM       1997-04-09 1997-12-11 1997-02-25 1997-05-07 1997-05-07
 10TH PERCENTILE              7.6      0.001      0.002        4.7         2.
 MEDIAN                       7.8      0.002      0.003       16.5        69.
 90TH PERCENTILE              8.0      0.003      0.032       40.5       100.
 MAXIMUM                      8.0      0.004      0.078       53.0       100.
 DATE OF MAXIMUM       1997-03-05 1997-09-04 1997-04-09 1997-04-09 1997-07-01
 STANDARD DEVIATION           0.1      0.001      0.023       16.5        37.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-21 TO 1997-12-17

 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       12         12         12         12         12
 MEAN                        52.7       13.0        1.2        2.9        0.6
 MINIMUM                     34.0        9.0        0.0        2.0        0.4
 DATE OF MINIMUM       1997-01-21 1997-01-21 1997-01-21 1997-01-21 1997-05-13
 10TH PERCENTILE             34.8        9.0        0.0        2.0        0.4
 MEDIAN                      44.0       11.5        1.0        2.3        0.5
 90TH PERCENTILE             80.0       19.3        2.7        4.4        1.0
 MAXIMUM                    109.0       26.0        3.0        5.9        1.2
 DATE OF MAXIMUM       1997-02-11 1997-02-11 1997-05-13 1997-02-11 1997-02-11
 STANDARD DEVIATION          23.1        5.4        1.2        1.3        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       12         12         12         12         12
 MEAN                        114.       13.1        1.0       16.9      0.079
 MINIMUM                     100.        6.5        0.1        1.5      0.002
 DATE OF MINIMUM       1997-01-21 1997-08-05 1997-06-11 1997-05-13 1997-02-11
 10TH PERCENTILE             100.        6.6        0.1        1.5      0.003
 MEDIAN                      112.       13.0        0.6        6.0      0.068
 90TH PERCENTILE             122.       19.0        1.8       42.6      0.164
 MAXIMUM                     135.       21.3        3.6       72.0      0.255
 DATE OF MAXIMUM       1997-08-05 1997-12-17 1997-05-13 1997-07-08 1997-07-08
 STANDARD DEVIATION           10.        4.7        1.0       22.4      0.079




                              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       12         12         12         12         12
 MEAN                        0.00       0.17       105.       11.0         0.
 MINIMUM                     0.00       0.06       100.        9.5         0.
 DATE OF MINIMUM       1997-01-21 1997-02-11 1997-08-05 1997-02-11 1997-03-11
 10TH PERCENTILE             0.00       0.07       100.        9.5         0.
 MEDIAN                      0.00       0.14       104.       10.8         0.
 90TH PERCENTILE             0.00       0.33       109.       12.4         0.
 MAXIMUM                     0.01       0.35       113.       12.5         0.
 DATE OF MAXIMUM       1997-08-05 1997-07-08 1997-05-13 1997-07-08 1997-12-17
 STANDARD DEVIATION          0.00       0.10         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       12         12         12         12         12
 MEAN                         8.2      0.009      0.036       80.1        44.
 MINIMUM                      8.0      0.003      0.004       27.3         0.
 DATE OF MINIMUM       1997-08-05 1997-05-13 1997-05-13 1997-02-11 1997-01-21
 10TH PERCENTILE              8.0      0.003      0.005       27.3         0.
 MEDIAN                       8.2      0.009      0.021       64.6        31.
 90TH PERCENTILE              8.4      0.014      0.081      141.7        88.
 MAXIMUM                      8.5      0.017      0.125      224.0       100.
 DATE OF MAXIMUM       1997-05-13 1997-06-11 1997-07-08 1997-11-11 1997-03-11
 STANDARD DEVIATION           0.2      0.004      0.037       58.3        41.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-14 TO 1997-12-18

 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       12         12         12         12         12
 MEAN                        43.7       10.9        1.4        2.3        0.5
 MINIMUM                     26.0        6.0        0.0        1.4        0.2
 DATE OF MINIMUM       1997-02-04 1997-02-04 1997-01-14 1997-11-05 1997-11-05
 10TH PERCENTILE             26.0        6.0        0.0        1.4        0.2
 MEDIAN                      34.0        8.5        1.0        1.9        0.4
 90TH PERCENTILE             55.4       14.7        2.7        3.0        0.7
 MAXIMUM                    129.0       32.0        5.0        6.8        1.4
 DATE OF MAXIMUM       1997-06-04 1997-06-04 1997-06-04 1997-06-04 1997-06-04
 STANDARD DEVIATION          28.5        7.3        1.4        1.5        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       12         12         12         12         12
 MEAN                         84.       11.1        2.7        3.2      0.121
 MINIMUM                      68.        5.5        0.2        0.3      0.040
 DATE OF MINIMUM       1997-06-04 1997-07-08 1997-06-04 1997-05-14 1997-02-04
 10TH PERCENTILE              69.        5.7        0.3        0.4      0.046
 MEDIAN                       85.       10.7        2.9        1.4      0.109
 90TH PERCENTILE              94.       15.7        4.1        5.4      0.211
 MAXIMUM                      95.       16.8        4.2       19.0      0.238
 DATE OF MAXIMUM       1997-05-14 1997-03-04 1997-02-04 1997-06-04 1997-06-04
 STANDARD DEVIATION            9.        4.1        1.4        5.3      0.062




                              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       12         12         12         12         12
 MEAN                        0.00       0.21       103.       10.9         0.
 MINIMUM                     0.00       0.09       100.        9.5         0.
 DATE OF MINIMUM       1997-08-12 1997-02-04 1997-07-08 1997-03-04 1997-08-12
 10TH PERCENTILE             0.00       0.11       100.        9.6         0.
 MEDIAN                      0.00       0.18       103.       11.0         0.
 90TH PERCENTILE             0.01       0.30       107.       11.8         0.
 MAXIMUM                     0.01       0.44       107.       12.3         0.
 DATE OF MAXIMUM       1997-11-05 1997-06-04 1997-02-04 1997-07-08 1997-12-18
 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       12         12         12         12         12
 MEAN                         8.0      0.006      0.017       37.4        59.
 MINIMUM                      7.6      0.003      0.004       11.4         0.
 DATE OF MINIMUM       1997-06-04 1997-05-14 1997-02-04 1997-05-14 1997-05-14
 10TH PERCENTILE              7.6      0.003      0.004       12.3         0.
 MEDIAN                       8.0      0.006      0.010       23.7        81.
 90TH PERCENTILE              8.2      0.010      0.041       68.9       100.
 MAXIMUM                      8.3      0.013      0.057      116.0       100.
 DATE OF MAXIMUM       1997-02-04 1997-06-04 1997-07-08 1997-06-04 1997-04-08
 STANDARD DEVIATION           0.2      0.003      0.018       31.3        46.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-07 TO 1997-12-17

 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       12         12         12         12         12
 MEAN                       229.5       49.5        2.6       12.9        2.6
 MINIMUM                     50.0       11.0        0.0        2.9        0.6
 DATE OF MINIMUM       1997-05-14 1997-05-14 1997-05-14 1997-05-14 1997-05-14
 10TH PERCENTILE             50.2       11.2        0.0        2.9        0.6
 MEDIAN                     145.5       31.5        1.0        8.2        1.7
 90TH PERCENTILE            499.8      108.8        6.0       27.9        5.6
 MAXIMUM                    650.0      136.0        8.0       36.7        7.2
 DATE OF MAXIMUM       1997-04-09 1997-04-09 1997-12-17 1997-04-09 1997-04-09
 STANDARD DEVIATION         203.0       43.2        2.8       11.4        2.2




                             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       12         12         12         12         12
 MEAN                         84.       11.2        2.5       16.2      0.197
 MINIMUM                      54.        5.9        0.1        0.6      0.078
 DATE OF MINIMUM       1997-04-09 1997-07-16 1997-04-09 1997-05-14 1997-04-09
 10TH PERCENTILE              54.        6.4        0.1        0.6      0.083
 MEDIAN                       89.       11.3        3.1        1.8      0.193
 90TH PERCENTILE             103.       13.9        4.2       39.0      0.316
 MAXIMUM                     108.       15.1        6.2      105.0      0.377
 DATE OF MAXIMUM       1997-11-12 1997-02-12 1997-05-14 1997-04-09 1997-07-16
 STANDARD DEVIATION           19.        2.8        2.0       31.0      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       12         12         12         12         12
 MEAN                        0.01       0.39       100.       11.0         1.
 MINIMUM                     0.00       0.22        96.        9.7         0.
 DATE OF MINIMUM       1997-05-14 1997-01-07 1997-06-11 1997-02-12 1997-06-11
 10TH PERCENTILE             0.00       0.23        96.        9.8         0.
 MEDIAN                      0.01       0.35        99.       10.9         0.
 90TH PERCENTILE             0.01       0.56       105.       12.1         1.
 MAXIMUM                     0.02       0.70       107.       12.2         3.
 DATE OF MAXIMUM       1997-07-16 1997-04-09 1997-05-14 1997-07-16 1997-04-09
 STANDARD DEVIATION          0.01       0.14         4.        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       12         12         12         12         12
 MEAN                         7.2      0.008      0.037       33.1        53.
 MINIMUM                      6.8      0.001      0.005        4.9         0.
 DATE OF MINIMUM       1997-10-15 1997-11-12 1997-05-14 1997-05-14 1997-01-07
 10TH PERCENTILE              6.8      0.001      0.005        5.2         0.
 MEDIAN                       7.2      0.009      0.015       15.9        69.
 90TH PERCENTILE              7.5      0.011      0.075       91.0        96.
 MAXIMUM                      7.7      0.017      0.197      112.0       100.
 DATE OF MAXIMUM       1997-01-07 1997-07-16 1997-04-09 1997-04-09 1997-11-12
 STANDARD DEVIATION           0.3      0.004      0.056       38.4        40.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-07 TO 1997-12-17

 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       12         12         12         12         12
 MEAN                       187.8       40.3        2.2       10.5        2.1
 MINIMUM                     36.0        8.0        0.0        2.1        0.5
 DATE OF MINIMUM       1997-05-14 1997-05-14 1997-05-14 1997-05-14 1997-05-14
 10TH PERCENTILE             37.6        8.2        0.0        2.2        0.5
 MEDIAN                      98.5       19.5        1.0        5.5        1.0
 90TH PERCENTILE            396.1       88.1        5.7       22.1        4.5
 MAXIMUM                    610.0      126.0        7.0       34.5        6.8
 DATE OF MAXIMUM       1997-04-09 1997-04-09 1997-02-12 1997-04-09 1997-04-09
 STANDARD DEVIATION         181.8       38.6        2.5       10.2        2.0




                             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       12         12         12         12         12
 MEAN                         57.        9.2        4.8        1.7      0.029
 MINIMUM                      35.        4.7        0.5        0.3      0.008
 DATE OF MINIMUM       1997-10-15 1997-07-16 1997-12-17 1997-06-11 1997-11-12
 10TH PERCENTILE              36.        5.0        0.6        0.3      0.008
 MEDIAN                       61.        9.2        6.4        1.3      0.026
 90TH PERCENTILE              71.       11.7        8.1        3.5      0.045
 MAXIMUM                      73.       12.8        8.6        4.1      0.067
 DATE OF MAXIMUM       1997-05-14 1997-02-12 1997-03-12 1997-04-09 1997-05-14
 STANDARD DEVIATION           13.        2.4        3.5        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       12         12         12         12         12
 MEAN                        0.00       0.11       101.       11.4         0.
 MINIMUM                     0.00       0.03        98.       10.1         0.
 DATE OF MINIMUM       1997-05-14 1997-11-12 1997-02-12 1997-02-12 1997-11-12
 10TH PERCENTILE             0.00       0.03        99.       10.2         0.
 MEDIAN                      0.00       0.10       101.       11.4         0.
 90TH PERCENTILE             0.00       0.16       103.       12.2         1.
 MAXIMUM                     0.00       0.25       105.       12.7         1.
 DATE OF MAXIMUM       1997-04-09 1997-04-09 1997-12-17 1997-07-16 1997-07-16
 STANDARD DEVIATION          0.00       0.06         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       12         12         12         12         12
 MEAN                         7.4      0.004      0.007       10.7        66.
 MINIMUM                      6.9      0.002      0.003        1.8         0.
 DATE OF MINIMUM       1997-10-15 1997-11-12 1997-03-12 1997-05-14 1997-01-07
 10TH PERCENTILE              6.9      0.002      0.003        1.9         0.
 MEDIAN                       7.5      0.004      0.005        4.3        88.
 90TH PERCENTILE              7.6      0.005      0.013       27.1       100.
 MAXIMUM                      7.6      0.005      0.015       30.2       100.
 DATE OF MAXIMUM       1997-01-07 1997-07-16 1997-08-13 1997-10-15 1997-06-11
 STANDARD DEVIATION           0.3      0.001      0.004       10.8        43.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-07 TO 1997-12-17

 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       12         12         12         12         12
 MEAN                       143.7       31.2        2.0        8.0        1.6
 MINIMUM                     38.0        8.0        0.0        2.2        0.5
 DATE OF MINIMUM       1997-05-14 1997-05-14 1997-01-07 1997-05-14 1997-05-14
 10TH PERCENTILE             41.0        8.6        0.0        2.4        0.5
 MEDIAN                     110.0       23.0        1.5        6.1        1.1
 90TH PERCENTILE            233.0       57.8        4.7       13.1        2.8
 MAXIMUM                    329.0       69.0        7.0       18.4        3.6
 DATE OF MAXIMUM       1997-10-15 1997-10-15 1997-12-17 1997-10-15 1997-10-15
 STANDARD DEVIATION          91.9       21.0        2.3        5.1        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       12         12         12         12         12
 MEAN                        121.       12.6        1.2       47.0      0.400
 MINIMUM                      56.        7.2        0.0        0.9      0.094
 DATE OF MINIMUM       1997-12-17 1997-07-16 1997-12-17 1997-05-14 1997-02-12
 10TH PERCENTILE              56.        7.5        0.0        1.0      0.098
 MEDIAN                      132.       13.1        0.8        5.1      0.352
 90TH PERCENTILE             150.       15.8        3.0      125.1      0.675
 MAXIMUM                     200.       17.5        3.4      150.0      0.792
 DATE OF MAXIMUM       1997-09-15 1997-01-07 1997-01-07 1997-10-15 1997-07-16
 STANDARD DEVIATION           44.        3.4        1.3       57.9      0.243




                              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       12         12         12         12         12
 MEAN                        0.01       0.66       100.       10.7         1.
 MINIMUM                     0.00       0.26        94.        9.7         0.
 DATE OF MINIMUM       1997-11-12 1997-02-12 1997-10-15 1997-04-09 1997-01-07
 10TH PERCENTILE             0.00       0.28        94.        9.8         0.
 MEDIAN                      0.01       0.61       100.       10.4         1.
 90TH PERCENTILE             0.04       0.95       105.       11.5         2.
 MAXIMUM                     0.04       1.26       106.       11.6         2.
 DATE OF MAXIMUM       1997-06-11 1997-07-16 1997-01-07 1997-09-15 1997-10-15
 STANDARD DEVIATION          0.01       0.31         4.        0.7         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       12         12         12         12         12
 MEAN                         7.6      0.015      0.088      120.3        60.
 MINIMUM                      7.2      0.008      0.021       14.3        12.
 DATE OF MINIMUM       1997-12-17 1997-11-12 1997-05-14 1997-05-14 1997-12-17
 10TH PERCENTILE              7.2      0.008      0.021       16.8        15.
 MEDIAN                       7.5      0.013      0.035       76.7        62.
 90TH PERCENTILE              7.9      0.022      0.174      201.4        96.
 MAXIMUM                      8.0      0.026      0.292      452.8       100.
 DATE OF MAXIMUM       1997-05-14 1997-10-15 1997-10-15 1997-10-15 1997-10-15
 STANDARD DEVIATION           0.2      0.006      0.086      126.4        29.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-07 TO 1997-12-17

 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       12         12         12         12         12
 MEAN                       145.0       31.7        2.5        8.0        1.6
 MINIMUM                     37.0        7.0        0.0        2.1        0.4
 DATE OF MINIMUM       1997-05-14 1997-05-14 1997-01-07 1997-05-14 1997-05-14
 10TH PERCENTILE             41.0        8.0        0.0        2.4        0.5
 MEDIAN                     104.0       21.0        2.0        5.9        1.1
 90TH PERCENTILE            263.4       63.2        5.1       14.2        2.9
 MAXIMUM                    378.0       80.0       10.0       21.0        4.0
 DATE OF MAXIMUM       1997-10-15 1997-10-15 1997-04-09 1997-10-15 1997-10-15
 STANDARD DEVIATION         102.8       23.8        3.0        5.6        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       12         12         12         12         12
 MEAN                        125.       13.2        1.6       25.4      0.465
 MINIMUM                      65.        7.6        0.1        0.7      0.102
 DATE OF MINIMUM       1997-04-09 1997-07-16 1997-10-15 1997-05-14 1997-02-12
 10TH PERCENTILE              65.        8.0        0.1        0.8      0.102
 MEDIAN                      138.       13.1        1.1        4.1      0.384
 90TH PERCENTILE             165.       16.5        3.3       52.0      0.851
 MAXIMUM                     171.       18.8        5.0      144.0      0.938
 DATE OF MAXIMUM       1997-05-14 1997-01-07 1997-05-14 1997-10-15 1997-07-16
 STANDARD DEVIATION           39.        3.4        1.7       41.7      0.290




                              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       12         12         12         12         12
 MEAN                        0.01       0.69       103.       10.7         1.
 MINIMUM                     0.01       0.22        92.        9.7         0.
 DATE OF MINIMUM       1997-04-09 1997-02-12 1997-10-15 1997-01-07 1997-11-12
 10TH PERCENTILE             0.01       0.24        93.        9.7         0.
 MEDIAN                      0.01       0.57       101.       10.2         0.
 90TH PERCENTILE             0.02       1.11       109.       12.0         1.
 MAXIMUM                     0.05       1.21       121.       12.5         3.
 DATE OF MAXIMUM       1997-10-15 1997-07-16 1997-05-14 1997-05-14 1997-10-15
 STANDARD DEVIATION          0.01       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       12         12         12         12         12
 MEAN                         7.6      0.011      0.054       34.4        69.
 MINIMUM                      7.2      0.003      0.012        4.3        12.
 DATE OF MINIMUM       1997-10-15 1997-05-14 1997-05-14 1997-05-14 1997-12-17
 10TH PERCENTILE              7.3      0.004      0.013        4.9        18.
 MEDIAN                       7.6      0.008      0.022       21.0        81.
 90TH PERCENTILE              7.9      0.012      0.086       56.1        96.
 MAXIMUM                      8.1      0.047      0.281      147.2       100.
 DATE OF MAXIMUM       1997-05-14 1997-10-15 1997-10-15 1997-10-15 1997-11-12
 STANDARD DEVIATION           0.2      0.011      0.076       40.1        28.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-07 TO 1997-12-17

 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       12         12         12         12         12
 MEAN                       121.3       26.8        1.5        6.8        1.4
 MINIMUM                     24.0        5.0        0.0        1.4        0.3
 DATE OF MINIMUM       1997-05-14 1997-05-14 1997-01-07 1997-05-14 1997-05-14
 10TH PERCENTILE             28.8        6.0        0.0        1.6        0.3
 MEDIAN                      94.0       22.5        1.0        5.2        1.1
 90TH PERCENTILE            225.4       49.4        3.0       12.5        2.5
 MAXIMUM                    261.0       54.0        5.0       14.9        3.0
 DATE OF MAXIMUM       1997-04-09 1997-04-09 1997-10-15 1997-04-09 1997-04-09
 STANDARD DEVIATION          81.4       17.7        1.6        4.6        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       12         12         12         12         12
 MEAN                         45.       10.3        3.3       13.5      0.025
 MINIMUM                      28.        5.5        0.1        0.5      0.014
 DATE OF MINIMUM       1997-02-12 1997-07-16 1997-11-12 1997-05-14 1997-03-12
 10TH PERCENTILE              29.        5.8        0.1        0.5      0.014
 MEDIAN                       44.        9.1        2.1        2.6      0.022
 90TH PERCENTILE              59.       13.6        7.3       23.6      0.031
 MAXIMUM                      66.       15.4        7.7       98.0      0.068
 DATE OF MAXIMUM       1997-05-14 1997-01-07 1997-01-07 1997-11-12 1997-07-16
 STANDARD DEVIATION           13.        3.1        3.3       27.8      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       12         12         12         12         12
 MEAN                        0.00       0.10       102.       11.1         0.
 MINIMUM                     0.00       0.05        99.        9.9         0.
 DATE OF MINIMUM       1997-09-15 1997-03-12 1997-10-15 1997-01-07 1997-01-07
 10TH PERCENTILE             0.00       0.05        99.       10.0         0.
 MEDIAN                      0.00       0.09       102.       11.2         0.
 90TH PERCENTILE             0.00       0.14       105.       12.1         0.
 MAXIMUM                     0.01       0.18       105.       12.4         1.
 DATE OF MAXIMUM       1997-03-12 1997-11-12 1997-12-17 1997-07-16 1997-07-16
 STANDARD DEVIATION          0.00       0.04         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       12         12         12         12         12
 MEAN                         7.4      0.003      0.027       22.9        69.
 MINIMUM                      6.8      0.002      0.003        1.4        25.
 DATE OF MINIMUM       1997-11-12 1997-10-15 1997-03-12 1997-05-14 1997-12-17
 10TH PERCENTILE              6.8      0.002      0.003        1.6        28.
 MEDIAN                       7.3      0.003      0.009        9.3        75.
 90TH PERCENTILE              7.7      0.004      0.027       42.4        96.
 MAXIMUM                      7.7      0.004      0.204      128.0       100.
 DATE OF MAXIMUM       1997-05-14 1997-02-12 1997-11-12 1997-11-12 1997-11-12
 STANDARD DEVIATION           0.3      0.001      0.056       35.9        26.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-14 TO 1997-12-09

 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       12         12         12         12         12
 MEAN                        72.9       16.7        1.2        4.1        0.8
 MINIMUM                     37.0        7.0        0.0        2.0        0.4
 DATE OF MINIMUM       1997-07-08 1997-09-09 1997-06-10 1997-07-08 1997-09-09
 10TH PERCENTILE             37.2        7.2        0.0        2.0        0.4
 MEDIAN                      69.0       17.0        1.0        3.9        0.9
 90TH PERCENTILE             96.3       21.4        1.7        5.3        1.1
 MAXIMUM                    159.0       35.0        6.0        9.0        1.9
 DATE OF MAXIMUM       1997-02-12 1997-02-12 1997-03-11 1997-02-12 1997-02-12
 STANDARD DEVIATION          34.9        7.7        1.6        2.0        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       12         12         12         12         12
 MEAN                        113.       11.1        3.8        2.3      0.116
 MINIMUM                      90.        6.1        0.7        0.5      0.018
 DATE OF MINIMUM       1997-10-07 1997-08-12 1997-01-14 1997-05-06 1997-04-08
 10TH PERCENTILE              92.        6.1        0.7        0.6      0.020
 MEDIAN                      118.       11.1        3.1        1.8      0.096
 90TH PERCENTILE             125.       14.9        7.2        4.4      0.234
 MAXIMUM                     127.       15.5        8.0        6.1      0.275
 DATE OF MAXIMUM       1997-05-06 1997-02-12 1997-07-08 1997-10-07 1997-07-08
 STANDARD DEVIATION           13.        3.5        2.5        1.7      0.085




                              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       12         12         12         12         11
 MEAN                        0.00       0.19       103.       11.2         0.
 MINIMUM                     0.00       0.09       100.        9.9         0.
 DATE OF MINIMUM       1997-08-12 1997-05-06 1997-07-08 1997-02-12 1997-12-09
 10TH PERCENTILE             0.00       0.09       100.       10.0         0.
 MEDIAN                      0.00       0.17       102.       11.3         0.
 90TH PERCENTILE             0.01       0.29       106.       12.3         0.
 MAXIMUM                     0.01       0.34       110.       12.4         0.
 DATE OF MAXIMUM       1997-07-08 1997-10-07 1997-05-06 1997-05-06 1997-01-14
 STANDARD DEVIATION          0.00       0.08         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       12         12         12         12         12
 MEAN                         8.0      0.003      0.008       35.6        56.
 MINIMUM                      7.7      0.001      0.002       16.6         0.
 DATE OF MINIMUM       1997-10-07 1997-05-06 1997-05-06 1997-05-06 1997-05-06
 10TH PERCENTILE              7.7      0.001      0.002       16.7         0.
 MEDIAN                       8.0      0.003      0.007       30.1        56.
 90TH PERCENTILE              8.2      0.006      0.014       47.5       100.
 MAXIMUM                      8.4      0.007      0.018       90.4       100.
 DATE OF MAXIMUM       1997-05-06 1997-07-08 1997-10-07 1997-10-07 1997-06-10
 STANDARD DEVIATION           0.2      0.002      0.005       20.9        41.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-14 TO 1997-12-09

 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       12         12         12         12         12
 MEAN                        48.2       11.1        0.5        2.7        0.6
 MINIMUM                     15.0        4.0        0.0        0.7        0.2
 DATE OF MINIMUM       1997-07-08 1997-12-09 1997-02-12 1997-07-08 1997-07-08
 10TH PERCENTILE             15.0        4.2        0.0        0.7        0.2
 MEDIAN                      31.5        7.0        0.0        1.8        0.4
 90TH PERCENTILE             77.1       16.4        1.7        4.3        0.8
 MAXIMUM                    185.0       39.0        2.0       10.6        2.2
 DATE OF MAXIMUM       1997-06-10 1997-06-10 1997-05-06 1997-06-10 1997-06-10
 STANDARD DEVIATION          48.5        9.8        0.8        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       12         12         12         12         12
 MEAN                         97.        8.0        8.5       14.4      0.029
 MINIMUM                      59.        3.5        0.1        0.3      0.010
 DATE OF MINIMUM       1997-06-10 1997-07-08 1997-04-08 1997-05-06 1997-02-12
 10TH PERCENTILE              64.        3.7        0.1        0.3      0.011
 MEDIAN                      104.        7.4        8.1        1.0      0.027
 90TH PERCENTILE             112.       11.6       15.5       27.2      0.041
 MAXIMUM                     112.       14.0       16.0      125.0      0.055
 DATE OF MAXIMUM       1997-12-09 1997-02-12 1997-07-08 1997-04-08 1997-07-08
 STANDARD DEVIATION           17.        3.4        5.9       36.4      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       12         12         12         12         11
 MEAN                        0.00       0.10       100.       11.5         0.
 MINIMUM                     0.00       0.03        98.        9.8         0.
 DATE OF MINIMUM       1997-08-12 1997-11-11 1997-11-11 1997-02-12 1997-12-09
 10TH PERCENTILE             0.00       0.03        98.       10.0         0.
 MEDIAN                      0.00       0.06       101.       11.4         0.
 90TH PERCENTILE             0.00       0.18       101.       12.5         1.
 MAXIMUM                     0.00       0.39       102.       12.9         1.
 DATE OF MAXIMUM       1997-12-09 1997-06-10 1997-01-14 1997-07-08 1997-04-08
 STANDARD DEVIATION          0.00       0.11         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       12         12         12         12         12
 MEAN                         8.0      0.003      0.020       11.1        55.
 MINIMUM                      7.8      0.002      0.002        2.0         0.
 DATE OF MINIMUM       1997-06-10 1997-11-11 1997-02-12 1997-05-06 1997-03-11
 10TH PERCENTILE              7.8      0.002      0.002        2.0         0.
 MEDIAN                       8.0      0.003      0.004        3.6        56.
 90TH PERCENTILE              8.1      0.003      0.064       24.2       100.
 MAXIMUM                      8.2      0.003      0.114       56.2       100.
 DATE OF MAXIMUM       1997-02-12 1997-10-07 1997-04-08 1997-06-10 1997-06-10
 STANDARD DEVIATION           0.1      0.001      0.038       16.2        43.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-15 TO 1997-12-11

 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       12         12         12         12         12
 MEAN                        24.6        7.2        1.5        1.2        0.3
 MINIMUM                      9.0        2.0        0.0        0.5        0.1
 DATE OF MINIMUM       1997-09-10 1997-09-10 1997-03-12 1997-05-07 1997-05-07
 10TH PERCENTILE              9.2        2.2        0.0        0.5        0.1
 MEDIAN                      19.5        5.5        1.0        0.9        0.2
 90TH PERCENTILE             38.8       13.8        3.7        1.7        0.4
 MAXIMUM                     75.0       18.0        5.0        4.1        0.8
 DATE OF MAXIMUM       1997-07-10 1997-07-10 1997-02-13 1997-07-10 1997-07-10
 STANDARD DEVIATION          18.5        5.2        1.7        1.0        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       12         12         12         12         12
 MEAN                         44.        7.1        2.7        3.1      0.013
 MINIMUM                      40.        4.3        0.4        0.5      0.002
 DATE OF MINIMUM       1997-07-10 1997-07-10 1997-07-10 1997-01-15 1997-01-15
 10TH PERCENTILE              40.        4.4        0.5        0.5      0.003
 MEDIAN                       43.        6.6        1.9        2.2      0.012
 90TH PERCENTILE              47.        9.5        5.2        6.0      0.023
 MAXIMUM                      51.       10.0        6.4        9.8      0.028
 DATE OF MAXIMUM       1997-10-08 1997-02-13 1997-01-15 1997-07-10 1997-12-11
 STANDARD DEVIATION            3.        2.0        2.1        2.9      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       12         12         12         12         11
 MEAN                        0.00       0.05       101.       11.2         0.
 MINIMUM                     0.00       0.01       100.       10.5         0.
 DATE OF MINIMUM       1997-05-07 1997-11-12 1997-04-10 1997-02-13 1997-01-15
 10TH PERCENTILE             0.00       0.01       100.       10.5         0.
 MEDIAN                      0.00       0.05       101.       11.1         0.
 90TH PERCENTILE             0.00       0.07       101.       11.7         0.
 MAXIMUM                     0.00       0.09       102.       11.8         0.
 DATE OF MAXIMUM       1997-03-12 1997-07-10 1997-11-12 1997-07-10 1997-07-10
 STANDARD DEVIATION          0.00       0.02         1.        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       12         12         12         12         12
 MEAN                         7.6      0.003      0.009       21.4        42.
 MINIMUM                      7.4      0.002      0.002       12.5         0.
 DATE OF MINIMUM       1997-07-10 1997-09-10 1997-09-10 1997-09-10 1997-02-13
 10TH PERCENTILE              7.4      0.002      0.002       12.7         0.
 MEDIAN                       7.6      0.003      0.007       20.6        19.
 90TH PERCENTILE              7.6      0.004      0.017       28.9       100.
 MAXIMUM                      7.7      0.004      0.025       30.8       100.
 DATE OF MAXIMUM       1997-09-10 1997-07-10 1997-07-10 1997-07-10 1997-09-10
 STANDARD DEVIATION           0.1      0.001      0.007        5.7        45.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-15 TO 1997-12-11

 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       12         12         12         12         12
 MEAN                        32.8        8.1        0.8        1.8        0.4
 MINIMUM                     11.0        2.0        0.0        0.5        0.1
 DATE OF MINIMUM       1997-09-10 1997-09-10 1997-02-13 1997-11-12 1997-05-07
 10TH PERCENTILE             11.2        2.2        0.0        0.5        0.1
 MEDIAN                      20.5        6.0        1.0        1.1        0.3
 90TH PERCENTILE             33.2        7.7        1.7        1.9        0.4
 MAXIMUM                    176.0       37.0        3.0        9.8        1.8
 DATE OF MAXIMUM       1997-07-10 1997-07-10 1997-07-10 1997-07-10 1997-07-10
 STANDARD DEVIATION          45.7        9.3        0.9        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       12         12         12         12         12
 MEAN                         56.       14.0        2.4       12.5      0.052
 MINIMUM                      46.        9.1        0.1        0.6      0.008
 DATE OF MINIMUM       1997-07-10 1997-07-10 1997-04-10 1997-09-10 1997-06-11
 10TH PERCENTILE              46.        9.3        0.1        0.7      0.010
 MEDIAN                       56.       13.1        2.2        2.5      0.052
 90TH PERCENTILE              60.       18.1        5.0       37.7      0.081
 MAXIMUM                      64.       18.7        5.6       75.0      0.132
 DATE OF MAXIMUM       1997-09-10 1997-11-12 1997-05-07 1997-07-10 1997-07-10
 STANDARD DEVIATION            5.        3.4        1.8       24.0      0.036




                              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       12         12         12         12         12
 MEAN                        0.00       0.13       104.       10.7         0.
 MINIMUM                     0.00       0.05        99.        9.7         0.
 DATE OF MINIMUM       1997-05-07 1997-11-12 1997-04-10 1997-12-11 1997-02-13
 10TH PERCENTILE             0.00       0.05        99.        9.8         0.
 MEDIAN                      0.00       0.10       103.       10.5         0.
 90TH PERCENTILE             0.01       0.14       107.       11.5         0.
 MAXIMUM                     0.01       0.48       110.       11.9         1.
 DATE OF MAXIMUM       1997-07-10 1997-07-10 1997-11-12 1997-06-11 1997-07-10
 STANDARD DEVIATION          0.00       0.11         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       12         12         12         12         12
 MEAN                         7.7      0.005      0.035       63.4        47.
 MINIMUM                      7.2      0.002      0.003       28.4         0.
 DATE OF MINIMUM       1997-07-10 1997-06-11 1997-09-10 1997-05-07 1997-04-10
 10TH PERCENTILE              7.3      0.002      0.003       28.5         0.
 MEDIAN                       7.7      0.003      0.008       51.0        44.
 90TH PERCENTILE              8.0      0.007      0.051      109.9        88.
 MAXIMUM                      8.1      0.015      0.285      140.0       100.
 DATE OF MAXIMUM       1997-02-13 1997-07-10 1997-07-10 1997-04-10 1997-05-07
 STANDARD DEVIATION           0.2      0.004      0.080       36.7        35.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-15 TO 1997-12-11

 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       12         12         12         12         12
 MEAN                        69.3       15.8        1.2        3.8        0.8
 MINIMUM                     30.0        5.0        0.0        1.5        0.3
 DATE OF MINIMUM       1997-03-12 1997-03-12 1997-02-13 1997-05-07 1997-03-12
 10TH PERCENTILE             30.0        5.2        0.0        1.6        0.3
 MEDIAN                      52.5       12.5        1.0        2.9        0.7
 90TH PERCENTILE            113.7       25.7        2.7        6.3        1.2
 MAXIMUM                    210.0       47.0        3.0       11.7        2.4
 DATE OF MAXIMUM       1997-08-13 1997-08-13 1997-08-13 1997-08-13 1997-08-13
 STANDARD DEVIATION          52.4       11.7        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       12         12         12         12         12
 MEAN                         55.       10.6        2.9        5.1      0.023
 MINIMUM                      47.        6.8        0.2        0.5      0.007
 DATE OF MINIMUM       1997-01-15 1997-08-13 1997-07-10 1997-09-10 1997-04-10
 10TH PERCENTILE              48.        6.9        0.2        0.5      0.008
 MEDIAN                       54.       10.7        2.8        1.3      0.020
 90TH PERCENTILE              60.       14.2        5.7       15.8      0.034
 MAXIMUM                      65.       15.2        6.7       27.0      0.055
 DATE OF MAXIMUM       1997-08-13 1997-02-13 1997-05-07 1997-08-13 1997-07-10
 STANDARD DEVIATION            5.        2.8        2.1        8.9      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       12         12         12         12         12
 MEAN                        0.00       0.10       100.       10.9         0.
 MINIMUM                     0.00       0.04        98.        9.7         0.
 DATE OF MINIMUM       1997-05-07 1997-05-07 1997-02-13 1997-02-13 1997-09-10
 10TH PERCENTILE             0.00       0.05        99.        9.8         0.
 MEDIAN                      0.00       0.07       100.       11.0         0.
 90TH PERCENTILE             0.00       0.18       101.       11.6         0.
 MAXIMUM                     0.01       0.25       101.       11.8         1.
 DATE OF MAXIMUM       1997-07-10 1997-07-10 1997-11-12 1997-08-13 1997-07-10
 STANDARD DEVIATION          0.00       0.06         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       12         12         12         12         12
 MEAN                         7.6      0.002      0.012       61.9        72.
 MINIMUM                      7.5      0.001      0.002       33.6         0.
 DATE OF MINIMUM       1997-08-13 1997-05-07 1997-05-07 1997-09-10 1997-02-13
 10TH PERCENTILE              7.5      0.001      0.002       33.9         0.
 MEDIAN                       7.6      0.001      0.005       56.7       100.
 90TH PERCENTILE              7.7      0.003      0.032       88.1       100.
 MAXIMUM                      7.7      0.007      0.060       95.8       100.
 DATE OF MAXIMUM       1997-09-10 1997-07-10 1997-07-10 1997-08-13 1997-09-10
 STANDARD DEVIATION           0.1      0.002      0.018       20.3        45.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-07 TO 1997-12-10

 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       12         12         12         12         12
 MEAN                       152.2       33.5        2.4        8.5        1.7
 MINIMUM                     40.0        9.0        0.0        2.2        0.4
 DATE OF MINIMUM       1997-05-13 1997-05-13 1997-09-09 1997-05-13 1997-05-13
 10TH PERCENTILE             40.6        9.2        0.2        2.2        0.4
 MEDIAN                      64.0       17.0        2.0        3.4        0.8
 90TH PERCENTILE            339.6       72.6        4.4       19.0        3.8
 MAXIMUM                    546.0      109.0        8.0       30.4        5.5
 DATE OF MAXIMUM       1997-04-08 1997-04-08 1997-04-08 1997-04-08 1997-04-08
 STANDARD DEVIATION         162.4       32.1        2.2        9.1        1.7




                             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       12         12         12         12         12
 MEAN                         64.       11.0        2.1        8.7      0.041
 MINIMUM                      38.        6.7        0.2        1.0      0.005
 DATE OF MINIMUM       1997-02-11 1997-07-09 1997-02-11 1997-05-13 1997-01-07
 10TH PERCENTILE              38.        6.8        0.2        1.0      0.007
 MEDIAN                       68.       10.4        1.4        2.8      0.039
 90TH PERCENTILE              75.       14.6        4.5       16.6      0.064
 MAXIMUM                      76.       16.5        5.1       55.0      0.088
 DATE OF MAXIMUM       1997-05-13 1997-01-07 1997-05-13 1997-02-11 1997-07-09
 STANDARD DEVIATION           13.        3.4        1.8       15.6      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       12         12         12         12         12
 MEAN                        0.01       0.17        99.       10.8         0.
 MINIMUM                     0.00       0.06        99.        9.6         0.
 DATE OF MINIMUM       1997-06-10 1997-05-13 1997-09-09 1997-01-07 1997-09-09
 10TH PERCENTILE             0.00       0.06        99.        9.7         0.
 MEDIAN                      0.00       0.15        99.       10.9         0.
 90TH PERCENTILE             0.01       0.31       100.       11.9         1.
 MAXIMUM                     0.01       0.37       100.       12.0         1.
 DATE OF MAXIMUM       1997-11-10 1997-02-11 1997-02-11 1997-07-09 1997-04-08
 STANDARD DEVIATION          0.00       0.10         0.        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       12         12         12         12         12
 MEAN                         7.5      0.003      0.017      471.1        69.
 MINIMUM                      7.1      0.001      0.003      125.5         0.
 DATE OF MINIMUM       1997-02-11 1997-11-10 1997-05-13 1997-05-13 1997-01-07
 10TH PERCENTILE              7.1      0.001      0.003      126.4         0.
 MEDIAN                       7.5      0.003      0.008      244.5       100.
 90TH PERCENTILE              7.7      0.004      0.044      825.1       100.
 MAXIMUM                      7.7      0.009      0.054     2208.2       100.
 DATE OF MAXIMUM       1997-01-07 1997-04-08 1997-04-08 1997-02-11 1997-10-07
 STANDARD DEVIATION           0.2      0.002      0.018      597.9        44.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-07 TO 1997-12-10

 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       12         12         12         12         12
 MEAN                       195.9       41.9        2.3       11.0        2.2
 MINIMUM                     56.0       12.0        0.0        3.2        0.7
 DATE OF MINIMUM       1997-01-07 1997-01-07 1997-01-07 1997-01-07 1997-01-07
 10TH PERCENTILE             59.4       12.8        0.0        3.4        0.7
 MEDIAN                      91.0       20.5        1.0        5.1        1.1
 90TH PERCENTILE            379.6       79.9        6.1       21.0        4.0
 MAXIMUM                    555.0      115.0        8.0       31.1        5.9
 DATE OF MAXIMUM       1997-02-11 1997-02-11 1997-04-08 1997-02-11 1997-02-11
 STANDARD DEVIATION         164.6       34.1        2.7        9.2        1.7




                             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       12         12         12         12         12
 MEAN                         53.       12.0        1.3       42.6      0.073
 MINIMUM                      21.        8.3        0.0        1.5      0.005
 DATE OF MINIMUM       1997-02-11 1997-08-12 1997-02-11 1997-01-07 1997-01-07
 10TH PERCENTILE              23.        8.3        0.0        1.5      0.011
 MEDIAN                       55.       11.3        1.5        4.5      0.068
 90TH PERCENTILE              71.       16.0        2.0       44.7      0.118
 MAXIMUM                      73.       16.8        2.3      400.0      0.145
 DATE OF MAXIMUM       1997-07-09 1997-01-07 1997-07-09 1997-02-11 1997-07-09
 STANDARD DEVIATION           16.        3.1        0.8      113.5      0.043




                              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       12         12         12         12         12
 MEAN                        0.01       0.26       100.       10.6         1.
 MINIMUM                     0.00       0.11        97.        9.4         0.
 DATE OF MINIMUM       1997-09-09 1997-01-07 1997-12-10 1997-01-07 1997-03-11
 10TH PERCENTILE             0.00       0.11        97.        9.5         0.
 MEDIAN                      0.01       0.19       100.       10.8         0.
 90TH PERCENTILE             0.01       0.35       102.       11.5         1.
 MAXIMUM                     0.02       1.03       103.       11.6         2.
 DATE OF MAXIMUM       1997-05-13 1997-02-11 1997-11-10 1997-07-09 1997-02-11
 STANDARD DEVIATION          0.00       0.25         2.        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       12         12         12         12         12
 MEAN                         7.2      0.004      0.101      633.1        71.
 MINIMUM                      6.4      0.001      0.006      106.1         0.
 DATE OF MINIMUM       1997-02-11 1997-01-07 1997-09-09 1997-07-09 1997-01-07
 10TH PERCENTILE              6.5      0.001      0.006      106.7         2.
 MEDIAN                       7.2      0.003      0.010      227.5        88.
 90TH PERCENTILE              7.5      0.011      0.120      969.3       100.
 MAXIMUM                      7.8      0.014      0.936     4229.5       100.
 DATE OF MAXIMUM       1997-01-07 1997-02-11 1997-02-11 1997-02-11 1997-12-10
 STANDARD DEVIATION           0.3      0.005      0.267     1173.5        38.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-07 TO 1997-12-10

 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       12         12         12         12         12
 MEAN                       194.9       41.4        2.0       11.0        2.2
 MINIMUM                     42.0       10.0        0.0        2.4        0.6
 DATE OF MINIMUM       1997-01-07 1997-01-07 1997-01-07 1997-01-07 1997-01-07
 10TH PERCENTILE             43.6       10.2        0.0        2.5        0.6
 MEDIAN                      69.5       16.0        1.0        3.9        0.9
 90TH PERCENTILE            488.9       99.7        5.0       27.5        5.3
 MAXIMUM                    510.0      105.0        7.0       28.5        5.4
 DATE OF MAXIMUM       1997-02-11 1997-02-11 1997-02-11 1997-02-11 1997-02-11
 STANDARD DEVIATION         191.5       38.7        2.4       10.7        2.0




                             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       12         12         12         12         12
 MEAN                         47.       10.3        2.5       43.6      0.022
 MINIMUM                      18.        6.9        0.0        0.8      0.002
 DATE OF MINIMUM       1997-02-11 1997-08-12 1997-02-11 1997-09-09 1997-01-07
 10TH PERCENTILE              20.        6.9        0.0        0.9      0.004
 MEDIAN                       54.        9.9        1.5        3.0      0.022
 90TH PERCENTILE              61.       14.1        4.7       35.8      0.037
 MAXIMUM                      62.       15.1        7.3      450.0      0.040
 DATE OF MAXIMUM       1997-01-07 1997-01-07 1997-09-09 1997-02-11 1997-05-13
 STANDARD DEVIATION           15.        2.9        2.2      128.7      0.012




                              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       12         12         12         12         12
 MEAN                        0.00       0.15       101.       11.0         0.
 MINIMUM                     0.00       0.05        99.        9.9         0.
 DATE OF MINIMUM       1997-09-09 1997-09-09 1997-12-10 1997-01-07 1997-09-09
 10TH PERCENTILE             0.00       0.05        99.        9.9         0.
 MEDIAN                      0.00       0.08       101.       11.1         0.
 90TH PERCENTILE             0.01       0.21       101.       11.7         1.
 MAXIMUM                     0.01       0.85       102.       12.0         2.
 DATE OF MAXIMUM       1997-02-11 1997-02-11 1997-11-10 1997-08-12 1997-02-11
 STANDARD DEVIATION          0.00       0.23         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       12         12         12         12         12
 MEAN                         7.3      0.004      0.154      107.0        68.
 MINIMUM                      6.6      0.001      0.003       20.0         0.
 DATE OF MINIMUM       1997-02-11 1997-01-07 1997-09-09 1997-01-07 1997-01-07
 10TH PERCENTILE              6.7      0.001      0.003       20.4         2.
 MEDIAN                       7.4      0.003      0.008       35.8        81.
 90TH PERCENTILE              7.6      0.005      0.098      162.7       100.
 MAXIMUM                      7.9      0.014      1.640      720.9       100.
 DATE OF MAXIMUM       1997-01-07 1997-02-11 1997-02-11 1997-02-11 1997-06-10
 STANDARD DEVIATION           0.3      0.003      0.469      199.9        36.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-14 TO 1997-12-16

 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       12         12         12         12         12
 MEAN                        26.7        6.8        0.6        1.5        0.3
 MINIMUM                      7.0        2.0        0.0        0.3        0.1
 DATE OF MINIMUM       1997-06-19 1997-06-19 1997-02-18 1997-09-23 1997-09-23
 10TH PERCENTILE              7.0        2.0        0.0        0.3        0.1
 MEDIAN                      16.0        5.0        0.0        0.9        0.2
 90TH PERCENTILE             63.1       15.0        1.7        3.5        0.7
 MAXIMUM                     93.0       19.0        2.0        5.4        1.1
 DATE OF MAXIMUM       1997-05-20 1997-05-20 1997-12-16 1997-05-20 1997-05-20
 STANDARD DEVIATION          28.4        5.7        0.8        1.6        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       12         12         12         12         12
 MEAN                         73.        8.1        3.8       12.8      0.030
 MINIMUM                      32.        4.1        0.1        0.5      0.011
 DATE OF MINIMUM       1997-12-16 1997-06-19 1997-12-16 1997-09-23 1997-12-16
 10TH PERCENTILE              33.        4.3        0.1        0.5      0.012
 MEDIAN                       79.        8.4        1.9        2.7      0.029
 90TH PERCENTILE              90.       10.5       10.6       27.8      0.045
 MAXIMUM                      93.       11.7       12.2       94.0      0.051
 DATE OF MAXIMUM       1997-09-23 1997-02-18 1997-07-22 1997-12-16 1997-07-22
 STANDARD DEVIATION           19.        2.4        4.4       27.6      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       12         12         12         12         12
 MEAN                        0.00       0.06        99.       11.6         0.
 MINIMUM                     0.00       0.03        97.       10.8         0.
 DATE OF MINIMUM       1997-09-23 1997-02-18 1997-03-19 1997-02-18 1997-01-14
 10TH PERCENTILE             0.00       0.03        97.       10.9         0.
 MEDIAN                      0.00       0.05        99.       11.5         0.
 90TH PERCENTILE             0.00       0.10       101.       12.1         1.
 MAXIMUM                     0.00       0.16       101.       12.5         1.
 DATE OF MAXIMUM       1997-06-19 1997-05-20 1997-05-20 1997-06-19 1997-12-16
 STANDARD DEVIATION          0.00       0.04         1.        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       12         12         12         12         12
 MEAN                         7.6      0.001      0.042      256.5        66.
 MINIMUM                      7.4      0.001      0.001       54.0         0.
 DATE OF MINIMUM       1997-12-16 1997-09-23 1997-09-23 1997-09-23 1997-02-18
 10TH PERCENTILE              7.4      0.001      0.001       55.0         0.
 MEDIAN                       7.6      0.001      0.003      106.5       100.
 90TH PERCENTILE              7.7      0.003      0.064      552.9       100.
 MAXIMUM                      7.8      0.003      0.376     1157.0       100.
 DATE OF MAXIMUM       1997-09-23 1997-05-20 1997-12-16 1997-12-16 1997-05-20
 STANDARD DEVIATION           0.1      0.001      0.108      332.5        44.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-22 TO 1997-12-17

 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       12         12         12         12         12
 MEAN                        40.1       10.1        1.2        2.2        0.5
 MINIMUM                     23.0        5.0        0.0        1.3        0.2
 DATE OF MINIMUM       1997-01-22 1997-01-22 1997-01-22 1997-02-19 1997-02-19
 10TH PERCENTILE             23.2        5.0        0.0        1.3        0.2
 MEDIAN                      31.0        7.5        1.0        1.7        0.4
 90TH PERCENTILE             53.2       13.7        2.7        3.0        0.7
 MAXIMUM                    101.0       29.0        4.0        5.3        1.3
 DATE OF MAXIMUM       1997-05-21 1997-05-21 1997-05-21 1997-05-21 1997-05-21
 STANDARD DEVIATION          22.1        6.7        1.3        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       12         12         12         12         12
 MEAN                         64.        9.2        1.2       14.9      0.010
 MINIMUM                      51.        4.3        0.1        0.6      0.001
 DATE OF MINIMUM       1997-05-21 1997-07-22 1997-05-21 1997-01-22 1997-09-24
 10TH PERCENTILE              52.        4.4        0.1        0.7      0.001
 MEDIAN                       64.        9.6        1.2        3.0      0.009
 90TH PERCENTILE              69.       12.2        2.6       52.7      0.019
 MAXIMUM                      72.       14.8        3.1       66.0      0.024
 DATE OF MAXIMUM       1997-09-24 1997-02-19 1997-09-24 1997-05-21 1997-08-20
 STANDARD DEVIATION            6.        3.2        1.0       24.5      0.007




                              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       12         12         12         12         12
 MEAN                        0.00       0.07       102.       11.3         0.
 MINIMUM                     0.00       0.02       100.        9.8         0.
 DATE OF MINIMUM       1997-09-24 1997-03-19 1997-01-22 1997-02-19 1997-01-22
 10TH PERCENTILE             0.00       0.02       100.        9.9         0.
 MEDIAN                      0.00       0.06       102.       11.3         0.
 90TH PERCENTILE             0.00       0.09       103.       12.4         0.
 MAXIMUM                     0.01       0.16       104.       12.8         0.
 DATE OF MAXIMUM       1997-06-18 1997-05-21 1997-10-22 1997-07-22 1997-05-21
 STANDARD DEVIATION          0.00       0.04         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       12         12         12         12         12
 MEAN                         7.8      0.001      0.028       71.0        58.
 MINIMUM                      7.6      0.000      0.002       24.0         0.
 DATE OF MINIMUM       1997-05-21 1997-01-22 1997-09-24 1997-09-24 1997-01-22
 10TH PERCENTILE              7.6      0.000      0.002       25.0         0.
 MEDIAN                       7.8      0.001      0.005       41.5        81.
 90TH PERCENTILE              7.9      0.002      0.091      120.1       100.
 MAXIMUM                      7.9      0.003      0.132      244.0       100.
 DATE OF MAXIMUM       1997-01-22 1997-05-21 1997-12-17 1997-12-17 1997-06-18
 STANDARD DEVIATION           0.1      0.001      0.046       63.8        44.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-22 TO 1997-12-17

 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       12         12         12         12         12
 MEAN                        56.4       14.8        1.6        3.0        0.7
 MINIMUM                     22.0        5.0        0.0        1.1        0.2
 DATE OF MINIMUM       1997-02-19 1997-02-19 1997-08-20 1997-02-19 1997-02-19
 10TH PERCENTILE             22.0        5.0        0.0        1.2        0.2
 MEDIAN                      42.0        9.0        1.0        2.4        0.4
 90TH PERCENTILE             92.0       29.1        3.7        4.8        1.3
 MAXIMUM                    189.0       48.0        5.0       10.3        2.3
 DATE OF MAXIMUM       1997-06-18 1997-06-18 1997-06-18 1997-06-18 1997-06-18
 STANDARD DEVIATION          48.0       13.2        1.6        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       12         12         12         12         12
 MEAN                         82.       11.3        0.6       33.9      0.234
 MINIMUM                      61.        4.9        0.1        1.8      0.076
 DATE OF MINIMUM       1997-12-17 1997-06-18 1997-05-21 1997-01-22 1997-12-17
 10TH PERCENTILE              61.        5.1        0.1        2.0      0.084
 MEDIAN                       85.       11.6        0.5        7.4      0.263
 90TH PERCENTILE              95.       15.8        1.1       77.6      0.329
 MAXIMUM                     105.       17.8        1.2      180.0      0.340
 DATE OF MAXIMUM       1997-06-18 1997-02-19 1997-01-22 1997-12-17 1997-07-22
 STANDARD DEVIATION           13.        4.1        0.4       53.2      0.093




                              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       12         12         12         12         12
 MEAN                        0.00       0.36       100.       11.0         0.
 MINIMUM                     0.00       0.22        98.        9.4         0.
 DATE OF MINIMUM       1997-09-24 1997-11-26 1997-01-22 1997-01-22 1997-03-19
 10TH PERCENTILE             0.00       0.22        98.        9.4         0.
 MEDIAN                      0.00       0.35       100.       10.8         0.
 90TH PERCENTILE             0.00       0.41       102.       12.4         1.
 MAXIMUM                     0.01       0.81       102.       12.7         1.
 DATE OF MAXIMUM       1997-06-18 1997-06-18 1997-03-19 1997-06-18 1997-05-21
 STANDARD DEVIATION          0.00       0.16         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       12         12         12         12         12
 MEAN                         7.8      0.005      0.062       93.7        52.
 MINIMUM                      7.6      0.002      0.005       38.5         0.
 DATE OF MINIMUM       1997-05-21 1997-03-19 1997-11-26 1997-09-24 1997-01-22
 10TH PERCENTILE              7.6      0.002      0.005       39.0         0.
 MEDIAN                       7.8      0.004      0.010       62.0        81.
 90TH PERCENTILE              8.0      0.006      0.151      151.3        96.
 MAXIMUM                      8.0      0.020      0.319      298.0       100.
 DATE OF MAXIMUM       1997-01-22 1997-06-18 1997-12-17 1997-12-17 1997-05-21
 STANDARD DEVIATION           0.1      0.005      0.096       74.7        46.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-22 TO 1997-12-17

 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       12         12         12         12         12
 MEAN                        34.7       11.5        1.9        1.8        0.5
 MINIMUM                     12.0        3.0        0.0        0.6        0.1
 DATE OF MINIMUM       1997-10-22 1997-10-22 1997-01-22 1997-02-19 1997-02-19
 10TH PERCENTILE             12.2        3.4        0.0        0.6        0.1
 MEDIAN                      29.0        9.5        1.0        1.5        0.4
 90TH PERCENTILE             42.2       12.0        3.0        2.3        0.6
 MAXIMUM                    122.0       45.0       11.0        5.6        1.5
 DATE OF MAXIMUM       1997-05-21 1997-05-21 1997-05-21 1997-05-21 1997-05-21
 STANDARD DEVIATION          29.2       10.9        3.1        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       12         12         12         12         12
 MEAN                         63.        8.7        0.3       61.2      0.071
 MINIMUM                      44.        4.0        0.0        5.0      0.036
 DATE OF MINIMUM       1997-12-17 1997-07-22 1997-05-21 1997-09-24 1997-05-21
 10TH PERCENTILE              44.        4.1        0.0        5.1      0.037
 MEDIAN                       66.        9.0        0.3       10.9      0.064
 90TH PERCENTILE              71.       11.6        0.5      164.6      0.089
 MAXIMUM                      74.       15.5        0.6      380.0      0.127
 DATE OF MAXIMUM       1997-09-24 1997-02-19 1997-09-24 1997-05-21 1997-07-22
 STANDARD DEVIATION           10.        3.3        0.2      116.2      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       12         12         12         12         12
 MEAN                        0.00       0.11        99.       11.3         0.
 MINIMUM                     0.00       0.07        98.        9.5         0.
 DATE OF MINIMUM       1997-09-24 1997-11-26 1997-02-19 1997-02-19 1997-01-22
 10TH PERCENTILE             0.00       0.07        98.        9.7         0.
 MEDIAN                      0.00       0.10        99.       11.2         0.
 90TH PERCENTILE             0.00       0.14       100.       12.4         0.
 MAXIMUM                     0.00       0.18       101.       12.6         0.
 DATE OF MAXIMUM       1997-12-17 1997-05-21 1997-09-24 1997-07-22 1997-07-22
 STANDARD DEVIATION          0.00       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       12         12         12         12         12
 MEAN                         7.7      0.003      0.098      145.8        54.
 MINIMUM                      7.6      0.002      0.006       53.0         0.
 DATE OF MINIMUM       1997-12-17 1997-01-22 1997-09-24 1997-09-24 1997-01-22
 10TH PERCENTILE              7.6      0.002      0.006       53.4         0.
 MEDIAN                       7.7      0.003      0.015       80.5        62.
 90TH PERCENTILE              7.8      0.005      0.259      349.4       100.
 MAXIMUM                      7.8      0.006      0.644      440.0       100.
 DATE OF MAXIMUM       1997-01-22 1997-12-17 1997-05-21 1997-05-21 1997-06-18
 STANDARD DEVIATION           0.1      0.001      0.195      138.1        47.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-22 TO 1997-12-17

 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       12         12         12         12         12
 MEAN                        33.1       12.2        2.7        1.6        0.4
 MINIMUM                     12.0        3.0        0.0        0.6        0.1
 DATE OF MINIMUM       1997-02-19 1997-02-19 1997-07-22 1997-02-19 1997-02-19
 10TH PERCENTILE             12.6        3.4        0.0        0.6        0.1
 MEDIAN                      21.0        8.0        1.0        1.0        0.3
 90TH PERCENTILE             45.1       14.0        3.0        2.5        0.7
 MAXIMUM                    131.0       56.0       18.0        5.3        1.5
 DATE OF MAXIMUM       1997-05-21 1997-05-21 1997-05-21 1997-05-21 1997-05-21
 STANDARD DEVIATION          32.6       14.2        4.9        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       12         12         12         12         12
 MEAN                         64.       13.3        0.2       92.8      0.076
 MINIMUM                      46.        6.2        0.0        6.8      0.047
 DATE OF MINIMUM       1997-12-17 1997-06-18 1997-05-21 1997-01-22 1997-05-21
 10TH PERCENTILE              47.        6.3        0.0        6.9      0.049
 MEDIAN                       67.       13.5        0.2       20.0      0.073
 90TH PERCENTILE              71.       18.8        0.4      228.4      0.097
 MAXIMUM                      73.       19.1        0.5      575.0      0.131
 DATE OF MAXIMUM       1997-09-24 1997-02-19 1997-02-19 1997-05-21 1997-07-22
 STANDARD DEVIATION            8.        4.9        0.2      170.8      0.022




                              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       12         12         12         12         12
 MEAN                        0.00       0.14       101.       10.6         0.
 MINIMUM                     0.00       0.07        99.        9.1         0.
 DATE OF MINIMUM       1997-02-19 1997-03-19 1997-05-21 1997-01-22 1997-04-23
 10TH PERCENTILE             0.00       0.07        99.        9.1         0.
 MEDIAN                      0.00       0.13       100.       10.7         0.
 90TH PERCENTILE             0.01       0.20       102.       12.1         0.
 MAXIMUM                     0.01       0.27       104.       12.4         1.
 DATE OF MAXIMUM       1997-06-18 1997-05-21 1997-10-22 1997-06-18 1997-05-21
 STANDARD DEVIATION          0.00       0.06         1.        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       12         12         12         12         12
 MEAN                         7.7      0.003      0.129      159.1        53.
 MINIMUM                      7.6      0.001      0.009       65.9         0.
 DATE OF MINIMUM       1997-05-21 1997-01-22 1997-02-19 1997-09-24 1997-01-22
 10TH PERCENTILE              7.6      0.001      0.009       66.3         0.
 MEDIAN                       7.7      0.002      0.025       93.5        62.
 90TH PERCENTILE              7.9      0.005      0.326      364.5        96.
 MAXIMUM                      7.9      0.008      0.766      455.0       100.
 DATE OF MAXIMUM       1997-01-22 1997-12-17 1997-05-21 1997-05-21 1997-11-26
 STANDARD DEVIATION           0.1      0.002      0.229      139.1        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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-09 TO 1997-12-11

 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       12         12         12         12         12
 MEAN                        58.2       12.8        1.3        3.2        0.6
 MINIMUM                     23.0        5.0        0.0        1.3        0.3
 DATE OF MINIMUM       1997-12-11 1997-11-13 1997-03-13 1997-12-11 1997-05-15
 10TH PERCENTILE             23.6        5.0        0.0        1.4        0.3
 MEDIAN                      40.5       10.0        0.5        2.3        0.4
 90TH PERCENTILE            105.6       24.4        3.7        5.6        1.0
 MAXIMUM                    117.0       32.0        4.0        6.2        1.5
 DATE OF MAXIMUM       1997-08-14 1997-07-17 1997-08-14 1997-08-14 1997-07-17
 STANDARD DEVIATION          34.4        9.0        1.7        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       12         12         12         12         12
 MEAN                         72.       10.4        2.5        8.7      0.277
 MINIMUM                      64.        3.5        0.1        0.4      0.125
 DATE OF MINIMUM       1997-02-13 1997-07-17 1997-08-14 1997-11-13 1997-01-09
 10TH PERCENTILE              64.        3.8        0.1        0.4      0.131
 MEDIAN                       71.       10.5        2.4        1.5      0.243
 90TH PERCENTILE              79.       13.6        4.6       20.5      0.431
 MAXIMUM                      82.       17.0        4.8       61.0      0.579
 DATE OF MAXIMUM       1997-09-18 1997-01-09 1997-12-11 1997-08-14 1997-07-17
 STANDARD DEVIATION            6.        3.8        1.7       18.0      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       12         12         12         12         12
 MEAN                        0.01       0.41       104.       11.5         0.
 MINIMUM                     0.00       0.26        98.        9.9         0.
 DATE OF MINIMUM       1997-04-17 1997-01-09 1997-02-13 1997-01-09 1997-09-18
 10TH PERCENTILE             0.01       0.26        98.       10.0         0.
 MEDIAN                      0.01       0.35       104.       11.5         0.
 90TH PERCENTILE             0.01       0.60       108.       12.5         0.
 MAXIMUM                     0.01       0.69       109.       13.3         0.
 DATE OF MAXIMUM       1997-02-13 1997-07-17 1997-05-15 1997-07-17 1997-05-15
 STANDARD DEVIATION          0.00       0.14         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       12         12         12         12         12
 MEAN                         7.7      0.004      0.018       15.1        47.
 MINIMUM                      7.4      0.002      0.002        2.0         0.
 DATE OF MINIMUM       1997-08-14 1997-05-15 1997-05-15 1997-12-11 1997-03-13
 10TH PERCENTILE              7.4      0.002      0.003        2.4         0.
 MEDIAN                       7.7      0.003      0.007       11.0        50.
 90TH PERCENTILE              7.9      0.008      0.030       33.5        92.
 MAXIMUM                      8.2      0.009      0.108       45.0       100.
 DATE OF MAXIMUM       1997-12-11 1997-08-14 1997-08-14 1997-08-14 1997-06-12
 STANDARD DEVIATION           0.2      0.002      0.030       13.7        37.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-09 TO 1997-12-11

 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       12         12         12         12         12
 MEAN                        69.8       13.5        1.1        3.9        0.7
 MINIMUM                     39.0        7.0        0.0        2.2        0.4
 DATE OF MINIMUM       1997-11-13 1997-06-12 1997-03-13 1997-11-13 1997-05-15
 10TH PERCENTILE             39.4        7.0        0.0        2.3        0.4
 MEDIAN                      55.0       10.0        1.0        3.0        0.5
 90TH PERCENTILE            110.6       22.8        2.0        6.0        1.0
 MAXIMUM                    163.0       31.0        4.0        9.1        1.6
 DATE OF MAXIMUM       1997-02-13 1997-02-13 1997-08-14 1997-02-13 1997-02-13
 STANDARD DEVIATION          38.7        7.9        1.2        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       12         12         12         12         12
 MEAN                         77.        8.8        1.4       13.5      0.545
 MINIMUM                      66.        2.7        0.1        0.6      0.234
 DATE OF MINIMUM       1997-02-13 1997-07-17 1997-02-13 1997-11-13 1997-02-13
 10TH PERCENTILE              67.        2.9        0.1        0.7      0.243
 MEDIAN                       79.        8.9        1.3        2.1      0.543
 90TH PERCENTILE              84.       12.0        2.4       43.9      0.819
 MAXIMUM                      86.       15.5        3.0       70.2      0.871
 DATE OF MAXIMUM       1997-09-18 1997-01-09 1997-12-11 1997-02-13 1997-07-17
 STANDARD DEVIATION            7.        3.5        1.0       23.7      0.233




                              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       12         12         12         12         12
 MEAN                        0.01       0.71       103.       11.5         0.
 MINIMUM                     0.00       0.42       102.        9.8         0.
 DATE OF MINIMUM       1997-06-12 1997-03-13 1997-02-13 1997-01-09 1997-09-18
 10TH PERCENTILE             0.00       0.42       102.        9.9         0.
 MEDIAN                      0.01       0.72       103.       11.5         0.
 90TH PERCENTILE             0.01       0.96       105.       12.4         0.
 MAXIMUM                     0.01       1.00       106.       13.2         0.
 DATE OF MAXIMUM       1997-02-13 1997-07-17 1997-11-13 1997-07-17 1997-05-15
 STANDARD DEVIATION          0.00       0.21         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       12         12         12         12         12
 MEAN                         7.8      0.006      0.026        4.5        52.
 MINIMUM                      7.5      0.002      0.003        1.2         0.
 DATE OF MINIMUM       1997-08-14 1997-05-15 1997-05-15 1997-12-11 1997-03-13
 10TH PERCENTILE              7.5      0.002      0.004        1.4         0.
 MEDIAN                       7.7      0.005      0.013        3.8        50.
 90TH PERCENTILE              8.0      0.010      0.067        8.2       100.
 MAXIMUM                      8.1      0.014      0.096       10.2       100.
 DATE OF MAXIMUM       1997-05-15 1997-02-13 1997-08-14 1997-02-13 1997-06-12
 STANDARD DEVIATION           0.2      0.004      0.031        2.8        45.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-09 TO 1997-12-11

 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       12         12         12         12         12
 MEAN                        62.9       13.1        0.9        3.5        0.7
 MINIMUM                     28.0        6.0        0.0        1.6        0.2
 DATE OF MINIMUM       1997-11-13 1997-06-12 1997-01-09 1997-11-13 1997-06-12
 10TH PERCENTILE             28.4        6.0        0.0        1.6        0.3
 MEDIAN                      43.0        9.0        0.5        2.5        0.5
 90TH PERCENTILE            122.0       23.6        2.4        6.7        1.1
 MAXIMUM                    154.0       37.0        4.0        8.4        1.7
 DATE OF MAXIMUM       1997-08-14 1997-08-14 1997-08-14 1997-08-14 1997-08-14
 STANDARD DEVIATION          42.8        9.6        1.3        2.3        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       12         12         12         12         12
 MEAN                         45.        8.7        2.2        7.7      0.211
 MINIMUM                      38.        1.8        0.1        0.4      0.076
 DATE OF MINIMUM       1997-11-13 1997-07-17 1997-02-13 1997-06-12 1997-01-09
 10TH PERCENTILE              39.        2.2        0.1        0.5      0.081
 MEDIAN                       44.        8.6        2.4        2.0      0.161
 90TH PERCENTILE              52.       12.2        3.9       23.7      0.322
 MAXIMUM                      53.       15.1        4.6       37.0      0.555
 DATE OF MAXIMUM       1997-07-17 1997-01-09 1997-06-12 1997-08-14 1997-07-17
 STANDARD DEVIATION            5.        3.8        1.5       12.4      0.133




                              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       12         12         12         12         12
 MEAN                        0.00       0.31       102.       11.4         0.
 MINIMUM                     0.00       0.19        96.        9.8         0.
 DATE OF MINIMUM       1997-06-12 1997-11-13 1997-12-11 1997-12-11 1997-09-18
 10TH PERCENTILE             0.00       0.19        97.        9.8         0.
 MEDIAN                      0.00       0.27       102.       11.4         0.
 90TH PERCENTILE             0.00       0.44       103.       12.4         0.
 MAXIMUM                     0.01       0.67       104.       13.4         0.
 DATE OF MAXIMUM       1997-01-09 1997-07-17 1997-04-17 1997-07-17 1997-01-09
 STANDARD DEVIATION          0.00       0.14         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       12         12         12         12         12
 MEAN                         7.5      0.003      0.023       11.2        46.
 MINIMUM                      7.4      0.001      0.002        2.5         0.
 DATE OF MINIMUM       1997-08-14 1997-01-09 1997-06-12 1997-06-12 1997-03-13
 10TH PERCENTILE              7.4      0.001      0.002        2.6         0.
 MEDIAN                       7.5      0.002      0.006        7.4        38.
 90TH PERCENTILE              7.6      0.005      0.050       22.6       100.
 MAXIMUM                      7.7      0.008      0.140       35.0       100.
 DATE OF MAXIMUM       1997-01-09 1997-02-13 1997-02-13 1997-08-14 1997-06-12
 STANDARD DEVIATION           0.1      0.002      0.041        9.8        42.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-09 TO 1997-12-11

 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       12         12         12         12         12
 MEAN                        14.5        4.9        0.8        0.7        0.2
 MINIMUM                      9.0        1.0        0.0        0.5        0.0
 DATE OF MINIMUM       1997-03-13 1997-03-13 1997-03-13 1997-12-11 1997-12-11
 10TH PERCENTILE              9.2        1.2        0.0        0.5        0.0
 MEDIAN                      13.0        4.0        1.0        0.6        0.2
 90TH PERCENTILE             19.5        7.4        1.0        1.1        0.4
 MAXIMUM                     28.0       13.0        3.0        1.2        0.5
 DATE OF MAXIMUM       1997-02-13 1997-02-13 1997-02-13 1997-02-13 1997-07-17
 STANDARD DEVIATION           5.3        3.2        0.8        0.3        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       12         12         12         12         12
 MEAN                         57.       11.1        1.7        2.9      0.009
 MINIMUM                      55.        5.5        0.7        1.2      0.003
 DATE OF MINIMUM       1997-11-13 1997-07-17 1997-02-13 1997-12-11 1997-12-11
 10TH PERCENTILE              55.        5.6        0.7        1.4      0.003
 MEDIAN                       57.       10.8        1.8        2.8      0.007
 90TH PERCENTILE              57.       16.5        2.1        4.1      0.018
 MAXIMUM                      59.       16.7        3.5        4.4      0.020
 DATE OF MAXIMUM       1997-09-18 1997-01-09 1997-12-11 1997-09-18 1997-07-17
 STANDARD DEVIATION            1.        4.1        0.7        1.0      0.006




                              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       12         12         12         12         12
 MEAN                        0.00       0.04       102.       10.9         0.
 MINIMUM                     0.00       0.03        99.        9.3         0.
 DATE OF MINIMUM       1997-08-14 1997-10-16 1997-11-13 1997-01-09 1997-09-18
 10TH PERCENTILE             0.00       0.03        99.        9.3         0.
 MEDIAN                      0.00       0.04       102.       10.8         0.
 90TH PERCENTILE             0.01       0.06       104.       12.3         0.
 MAXIMUM                     0.01       0.07       104.       12.5         0.
 DATE OF MAXIMUM       1997-03-13 1997-01-09 1997-09-18 1997-07-17 1997-06-12
 STANDARD DEVIATION          0.00       0.01         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       12         12         12         12         12
 MEAN                         7.8      0.001      0.004      379.8        42.
 MINIMUM                      7.7      0.000      0.002      243.0        12.
 DATE OF MINIMUM       1997-08-14 1997-07-17 1997-09-18 1997-05-15 1997-02-13
 10TH PERCENTILE              7.7      0.000      0.002      243.0        12.
 MEDIAN                       7.8      0.001      0.004      411.9        31.
 90TH PERCENTILE              7.8      0.001      0.005      450.0        84.
 MAXIMUM                      7.9      0.002      0.006      470.0        88.
 DATE OF MAXIMUM       1997-02-13 1997-02-13 1997-07-17 1997-09-18 1997-09-18
 STANDARD DEVIATION           0.1      0.000      0.001       79.1        31.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-09 TO 1997-12-11

 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       12         12         12         12         12
 MEAN                        42.3        9.5        0.9        2.3        0.5
 MINIMUM                     25.0        5.0        0.0        1.4        0.3
 DATE OF MINIMUM       1997-12-11 1997-12-11 1997-03-13 1997-01-09 1997-12-11
 10TH PERCENTILE             25.4        5.2        0.0        1.4        0.3
 MEDIAN                      35.0        7.5        1.0        1.9        0.4
 90TH PERCENTILE             63.1       15.2        1.7        3.5        0.8
 MAXIMUM                     93.0       21.0        2.0        5.1        1.0
 DATE OF MAXIMUM       1997-08-14 1997-08-14 1997-08-14 1997-08-14 1997-08-14
 STANDARD DEVIATION          20.2        4.8        0.7        1.1        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       12         12         12         12         12
 MEAN                         72.       12.3        4.1        1.0      0.025
 MINIMUM                      65.        5.1        1.2        0.3      0.001
 DATE OF MINIMUM       1997-08-14 1997-07-17 1997-08-14 1997-11-13 1997-09-18
 10TH PERCENTILE              65.        5.3        1.5        0.3      0.002
 MEDIAN                       72.       12.9        3.7        0.8      0.010
 90TH PERCENTILE              76.       17.7        6.0        1.6      0.049
 MAXIMUM                      82.       19.3        6.3        2.7      0.138
 DATE OF MAXIMUM       1997-12-11 1997-01-09 1997-05-15 1997-08-14 1997-07-17
 STANDARD DEVIATION            5.        4.7        1.7        0.7      0.039




                              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       12         12         12         12         12
 MEAN                        0.01       0.13       107.       11.1         0.
 MINIMUM                     0.00       0.09       102.        9.2         0.
 DATE OF MINIMUM       1997-09-18 1997-03-13 1997-02-13 1997-02-13 1997-09-18
 10TH PERCENTILE             0.00       0.09       102.        9.3         0.
 MEDIAN                      0.00       0.11       106.       10.9         0.
 90TH PERCENTILE             0.01       0.17       109.       12.8         0.
 MAXIMUM                     0.02       0.25       113.       12.9         0.
 DATE OF MAXIMUM       1997-02-13 1997-07-17 1997-06-12 1997-06-12 1997-11-13
 STANDARD DEVIATION          0.00       0.04         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       12         12         12         12         12
 MEAN                         8.0      0.003      0.007        4.3        41.
 MINIMUM                      7.5      0.002      0.003        1.2         0.
 DATE OF MINIMUM       1997-07-17 1997-05-15 1997-05-15 1997-12-11 1997-02-13
 10TH PERCENTILE              7.6      0.002      0.003        1.4         0.
 MEDIAN                       8.0      0.002      0.006        3.8        31.
 90TH PERCENTILE              8.2      0.004      0.011        6.8        84.
 MAXIMUM                      8.2      0.005      0.017        7.7        88.
 DATE OF MAXIMUM       1997-12-11 1997-07-17 1997-10-16 1997-08-14 1997-09-18
 STANDARD DEVIATION           0.2      0.001      0.004        1.9        32.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-09 TO 1997-12-11

 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       12         12         12         12         12
 MEAN                        20.2        5.9        0.8        1.1        0.3
 MINIMUM                     12.0        3.0        0.0        0.6        0.1
 DATE OF MINIMUM       1997-03-13 1997-03-13 1997-03-13 1997-04-17 1997-04-17
 10TH PERCENTILE             12.0        3.2        0.0        0.6        0.1
 MEDIAN                      17.5        6.0        1.0        0.9        0.2
 90TH PERCENTILE             30.3        8.4        1.7        1.6        0.4
 MAXIMUM                     43.0        9.0        2.0        2.5        0.5
 DATE OF MAXIMUM       1997-12-11 1997-12-11 1997-05-15 1997-12-11 1997-12-11
 STANDARD DEVIATION           9.2        1.8        0.7        0.6        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       12         12         12         12         12
 MEAN                         61.       11.1        0.8        4.6      0.077
 MINIMUM                      24.        5.1        0.4        2.4      0.022
 DATE OF MINIMUM       1997-06-12 1997-07-17 1997-02-13 1997-05-15 1997-06-12
 10TH PERCENTILE              31.        5.2        0.4        2.5      0.023
 MEDIAN                       63.       11.4        0.7        4.7      0.056
 90TH PERCENTILE              68.       16.1        1.3        5.5      0.149
 MAXIMUM                      73.       16.9        1.6        7.5      0.215
 DATE OF MAXIMUM       1997-12-11 1997-01-09 1997-05-15 1997-02-13 1997-11-13
 STANDARD DEVIATION           12.        4.0        0.4        1.3      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       12         12         12         12         12
 MEAN                        0.00       0.15       100.       10.9         0.
 MINIMUM                     0.00       0.07        97.        9.3         0.
 DATE OF MINIMUM       1997-08-14 1997-03-13 1997-01-09 1997-01-09 1997-03-13
 10TH PERCENTILE             0.00       0.07        97.        9.3         0.
 MEDIAN                      0.00       0.12       100.       10.8         0.
 90TH PERCENTILE             0.01       0.26       101.       12.0         0.
 MAXIMUM                     0.01       0.30       101.       12.7         0.
 DATE OF MAXIMUM       1997-02-13 1997-11-13 1997-12-11 1997-07-17 1997-10-16
 STANDARD DEVIATION          0.00       0.08         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       12         11         11         12         12
 MEAN                         7.6      0.002      0.012      376.7        53.
 MINIMUM                      7.4      0.001      0.004      225.0         0.
 DATE OF MINIMUM       1997-01-09 1997-07-17 1997-05-15 1997-01-09 1997-02-13
 10TH PERCENTILE              7.4      0.001      0.004      228.0         0.
 MEDIAN                       7.6      0.001      0.011      405.0        56.
 90TH PERCENTILE              7.6      0.006      0.020      459.9       100.
 MAXIMUM                      7.7      0.006      0.024      475.0       100.
 DATE OF MAXIMUM       1997-09-18 1997-09-18 1997-10-16 1997-09-18 1997-04-17
 STANDARD DEVIATION           0.1      0.002      0.007       88.5        38.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-15 TO 1997-12-17

 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       12         12         12         12         12
 MEAN                        13.2        3.8        0.5        0.7        0.2
 MINIMUM                      5.0        1.0        0.0        0.3        0.0
 DATE OF MINIMUM       1997-12-17 1997-04-16 1997-02-12 1997-12-17 1997-11-12
 10TH PERCENTILE              5.4        1.0        0.0        0.3        0.0
 MEDIAN                      10.0        4.0        0.0        0.5        0.1
 90TH PERCENTILE             12.7        4.0        1.7        0.7        0.2
 MAXIMUM                     54.0       14.0        2.0        2.9        0.6
 DATE OF MAXIMUM       1997-08-13 1997-08-13 1997-11-12 1997-08-13 1997-08-13
 STANDARD DEVIATION          13.1        3.5        0.8        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       12         12         12         12         12
 MEAN                         69.       12.1        4.4        4.7      0.042
 MINIMUM                      60.        8.9        0.1        0.3      0.013
 DATE OF MINIMUM       1997-07-16 1997-07-16 1997-08-13 1997-01-15 1997-06-18
 10TH PERCENTILE              61.        8.9        0.6        0.3      0.014
 MEDIAN                       72.       11.6        4.6        0.6      0.038
 90TH PERCENTILE              72.       15.6        6.0        1.8      0.066
 MAXIMUM                      73.       15.8        6.3       47.0      0.088
 DATE OF MAXIMUM       1997-09-24 1997-02-12 1997-09-24 1997-08-13 1997-01-15
 STANDARD DEVIATION            5.        2.5        1.7       13.3      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       12         12         11         11         12
 MEAN                        0.00       0.11       104.       10.8         0.
 MINIMUM                     0.00       0.06       100.        9.7         0.
 DATE OF MINIMUM       1997-05-14 1997-05-14 1997-02-12 1997-02-12 1997-04-16
 10TH PERCENTILE             0.00       0.06       100.        9.7         0.
 MEDIAN                      0.00       0.09       104.       10.5         0.
 90TH PERCENTILE             0.01       0.17       106.       11.6         0.
 MAXIMUM                     0.01       0.21       106.       11.8         0.
 DATE OF MAXIMUM       1997-09-24 1997-08-13 1997-10-14 1997-09-24 1997-09-24
 STANDARD DEVIATION          0.00       0.05         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       12         12         12         12         12
 MEAN                         8.0      0.001      0.016      245.5        53.
 MINIMUM                      7.7      0.000      0.001      134.0         0.
 DATE OF MINIMUM       1997-08-13 1997-01-15 1997-02-12 1997-03-12 1997-03-12
 10TH PERCENTILE              7.7      0.000      0.001      134.1         0.
 MEDIAN                       8.0      0.000      0.002      223.5        62.
 90TH PERCENTILE              8.1      0.001      0.008      350.0        88.
 MAXIMUM                      8.2      0.005      0.160      392.8        88.
 DATE OF MAXIMUM       1997-01-15 1997-08-13 1997-08-13 1997-12-17 1997-07-16
 STANDARD DEVIATION           0.2      0.001      0.045       85.3        31.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-15 TO 1997-12-17

 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       12         12         12         12         12
 MEAN                        15.8        4.1        0.4        0.9        0.2
 MINIMUM                      7.0        1.0        0.0        0.3        0.0
 DATE OF MINIMUM       1997-03-12 1997-03-12 1997-02-12 1997-01-15 1997-01-15
 10TH PERCENTILE              7.0        1.0        0.0        0.3        0.0
 MEDIAN                       9.0        3.0        0.0        0.5        0.2
 90TH PERCENTILE             21.6        6.4        1.0        1.0        0.2
 MAXIMUM                     69.0       15.0        2.0        3.8        0.8
 DATE OF MAXIMUM       1997-08-13 1997-08-13 1997-11-12 1997-08-13 1997-08-13
 STANDARD DEVIATION          17.5        3.9        0.7        1.0        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       12         12         12         12         12
 MEAN                         65.       10.8        1.5       11.2      0.018
 MINIMUM                      60.        6.0        0.1        0.7      0.009
 DATE OF MINIMUM       1997-12-17 1997-08-13 1997-08-13 1997-09-24 1997-03-12
 10TH PERCENTILE              60.        6.0        0.1        0.7      0.009
 MEDIAN                       64.       10.2        1.7        1.6      0.017
 90TH PERCENTILE              69.       14.9        2.6       28.1      0.024
 MAXIMUM                      69.       14.9        3.2       70.0      0.031
 DATE OF MAXIMUM       1997-09-24 1997-03-12 1997-07-16 1997-08-13 1997-08-13
 STANDARD DEVIATION            3.        3.2        1.1       20.9      0.006




                              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       12         12         11         11         12
 MEAN                        0.01       0.08       102.       10.8         0.
 MINIMUM                     0.00       0.05        99.       10.0         0.
 DATE OF MINIMUM       1997-12-17 1997-03-12 1997-05-14 1997-02-12 1997-01-15
 10TH PERCENTILE             0.00       0.05        99.       10.0         0.
 MEDIAN                      0.01       0.07       102.       10.4         0.
 90TH PERCENTILE             0.01       0.09       103.       11.9         0.
 MAXIMUM                     0.01       0.18       103.       12.0         0.
 DATE OF MAXIMUM       1997-09-24 1997-08-13 1997-03-12 1997-07-16 1997-07-16
 STANDARD DEVIATION          0.00       0.03         1.        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       12         12         12         12         12
 MEAN                         7.8      0.001      0.044      207.7        48.
 MINIMUM                      7.6      0.000      0.003      106.4         0.
 DATE OF MINIMUM       1997-08-13 1997-01-15 1997-06-18 1997-07-16 1997-03-12
 10TH PERCENTILE              7.6      0.000      0.003      110.3         0.
 MEDIAN                       7.8      0.001      0.010      189.5        50.
 90TH PERCENTILE              7.9      0.002      0.085      295.6       100.
 MAXIMUM                      8.0      0.003      0.286      420.3       100.
 DATE OF MAXIMUM       1997-01-15 1997-08-13 1997-08-13 1997-12-17 1997-07-16
 STANDARD DEVIATION           0.1      0.001      0.082       89.5        45.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-15 TO 1997-12-17

 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       12         12         12         12         12
 MEAN                        30.8        8.5        1.1        1.6        0.4
 MINIMUM                      5.0        1.0        0.0        0.3        0.1
 DATE OF MINIMUM       1997-03-12 1997-03-12 1997-02-12 1997-03-12 1997-03-12
 10TH PERCENTILE              6.2        1.2        0.0        0.4        0.1
 MEDIAN                      17.5        5.0        0.5        1.0        0.3
 90TH PERCENTILE             60.1       16.9        3.0        3.1        0.7
 MAXIMUM                    113.0       29.0        3.0        6.1        1.4
 DATE OF MAXIMUM       1997-08-13 1997-08-13 1997-08-13 1997-08-13 1997-08-13
 STANDARD DEVIATION          31.0        8.2        1.3        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       12         12         12         12         12
 MEAN                         93.        8.4        0.6       20.2      0.017
 MINIMUM                      64.        0.2        0.1        2.1      0.007
 DATE OF MINIMUM       1997-08-13 1997-07-16 1997-08-13 1997-07-16 1997-06-18
 10TH PERCENTILE              65.        1.0        0.1        2.1      0.007
 MEDIAN                       98.        7.8        0.5        5.6      0.015
 90TH PERCENTILE             112.       13.5        1.0       61.2      0.028
 MAXIMUM                     116.       14.6        1.5       81.0      0.031
 DATE OF MAXIMUM       1997-03-12 1997-02-12 1997-07-16 1997-08-13 1997-08-13
 STANDARD DEVIATION           18.        4.4        0.4       28.3      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       12         12         10         10         12
 MEAN                        0.00       0.06       103.       11.8         0.
 MINIMUM                     0.00       0.02       102.       10.2         0.
 DATE OF MINIMUM       1997-10-14 1997-03-12 1997-04-16 1997-01-15 1997-01-15
 10TH PERCENTILE             0.00       0.02       102.       10.2         0.
 MEDIAN                      0.00       0.05       103.       11.7         0.
 90TH PERCENTILE             0.00       0.09       105.       12.8         0.
 MAXIMUM                     0.01       0.20       105.       14.5         0.
 DATE OF MAXIMUM       1997-02-12 1997-08-13 1997-08-13 1997-07-16 1997-07-16
 STANDARD DEVIATION          0.00       0.05         1.        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       12         12         12         12         12
 MEAN                         7.8      0.001      0.077       35.3        46.
 MINIMUM                      7.6      0.000      0.003       15.9         0.
 DATE OF MINIMUM       1997-08-13 1997-01-15 1997-03-12 1997-07-16 1997-03-12
 10TH PERCENTILE              7.7      0.000      0.004       16.0         0.
 MEDIAN                       7.8      0.001      0.032       28.3        38.
 90TH PERCENTILE              7.9      0.002      0.152       56.0        96.
 MAXIMUM                      7.9      0.003      0.430       81.1       100.
 DATE OF MAXIMUM       1997-01-15 1997-08-13 1997-08-13 1997-08-13 1997-07-16
 STANDARD DEVIATION           0.1      0.001      0.121       19.1        43.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-15 TO 1997-12-17

 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       12         12         12         12         12
 MEAN                        32.6        8.6        1.1        1.7        0.4
 MINIMUM                      9.0        1.0        0.0        0.5        0.1
 DATE OF MINIMUM       1997-03-12 1997-03-12 1997-02-12 1997-03-12 1997-03-12
 10TH PERCENTILE              9.8        1.4        0.0        0.6        0.1
 MEDIAN                      27.5        7.5        0.5        1.4        0.3
 90TH PERCENTILE             42.6       14.1        2.7        2.4        0.6
 MAXIMUM                    101.0       25.0        3.0        5.4        1.1
 DATE OF MAXIMUM       1997-01-15 1997-01-15 1997-12-17 1997-01-15 1997-01-15
 STANDARD DEVIATION          24.1        6.5        1.2        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       12         12         12         12         12
 MEAN                         72.       11.3        1.7        5.5      0.036
 MINIMUM                      68.        6.1        0.2        0.9      0.016
 DATE OF MINIMUM       1997-06-18 1997-07-16 1997-01-15 1997-09-24 1997-03-12
 10TH PERCENTILE              68.        6.3        0.2        0.9      0.018
 MEDIAN                       71.       11.2        1.6        2.4      0.030
 90TH PERCENTILE              75.       15.4        2.9       15.2      0.056
 MAXIMUM                      76.       16.3        3.0       19.0      0.064
 DATE OF MAXIMUM       1997-03-12 1997-02-12 1997-07-16 1997-11-12 1997-01-15
 STANDARD DEVIATION            3.        3.4        1.1        6.5      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       12         11         11         11         12
 MEAN                        0.00       0.10        99.       10.8         0.
 MINIMUM                     0.00       0.07        90.        9.6         0.
 DATE OF MINIMUM       1997-07-16 1997-03-12 1997-06-18 1997-02-12 1997-03-12
 10TH PERCENTILE             0.00       0.07        91.        9.6         0.
 MEDIAN                      0.00       0.09       100.       10.4         0.
 90TH PERCENTILE             0.01       0.14       101.       12.0         0.
 MAXIMUM                     0.01       0.17       102.       12.2         1.
 DATE OF MAXIMUM       1997-09-24 1997-01-15 1997-12-17 1997-07-16 1997-07-16
 STANDARD DEVIATION          0.00       0.03         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       12         12         12         12         12
 MEAN                         7.7      0.001      0.012      535.2        58.
 MINIMUM                      7.6      0.000      0.003      300.0         0.
 DATE OF MINIMUM       1997-07-16 1997-03-12 1997-05-14 1997-09-24 1997-03-12
 10TH PERCENTILE              7.6      0.000      0.003      319.6         0.
 MEDIAN                       7.7      0.001      0.009      500.0        56.
 90TH PERCENTILE              7.8      0.002      0.027      600.0       100.
 MAXIMUM                      7.8      0.002      0.036      940.0       100.
 DATE OF MAXIMUM       1997-09-24 1997-02-12 1997-11-12 1997-12-17 1997-06-18
 STANDARD DEVIATION           0.1      0.001      0.011      153.6        40.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-16 TO 1997-12-11

 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       12         12         12         12         12
 MEAN                       199.8       42.0        2.8       11.1        2.1
 MINIMUM                    123.0       25.0        0.0        6.8        1.3
 DATE OF MINIMUM       1997-09-11 1997-09-11 1997-03-13 1997-07-10 1997-07-10
 10TH PERCENTILE            123.4       25.4        0.2        6.8        1.3
 MEDIAN                     191.0       39.5        2.5       10.7        2.1
 90TH PERCENTILE            287.9       60.1        5.4       15.8        3.1
 MAXIMUM                    291.0       68.0        7.0       16.4        3.3
 DATE OF MAXIMUM       1997-08-14 1997-08-14 1997-02-13 1997-01-16 1997-08-14
 STANDARD DEVIATION          65.8       15.1        2.0        3.6        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       12         12         12         12         12
 MEAN                         79.        8.0        0.6       15.8      0.024
 MINIMUM                      58.        3.1        0.1        3.4      0.000
 DATE OF MINIMUM       1997-01-16 1997-07-10 1997-08-14 1997-05-15 1997-11-13
 10TH PERCENTILE              59.        3.1        0.1        3.4      0.001
 MEDIAN                       74.        7.6        0.6        5.8      0.021
 90TH PERCENTILE             101.       13.1        0.9       29.9      0.037
 MAXIMUM                     121.       15.1        1.1       74.0      0.060
 DATE OF MAXIMUM       1997-10-21 1997-01-16 1997-03-13 1997-08-14 1997-08-14
 STANDARD DEVIATION           19.        4.0        0.3       20.7      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       12         12         12         12         12
 MEAN                        0.01       0.33        97.       11.2         1.
 MINIMUM                     0.00       0.19        94.        9.2         0.
 DATE OF MINIMUM       1997-11-13 1997-09-11 1997-01-16 1997-01-16 1997-03-13
 10TH PERCENTILE             0.00       0.20        94.        9.3         0.
 MEDIAN                      0.01       0.29        97.       11.5         1.
 90TH PERCENTILE             0.01       0.43        99.       12.4         1.
 MAXIMUM                     0.01       0.52       100.       12.7         2.
 DATE OF MAXIMUM       1997-04-10 1997-01-16 1997-10-21 1997-07-10 1997-11-13
 STANDARD DEVIATION          0.00       0.09         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       12         12         12         12         12
 MEAN                         7.4      0.017      0.065       17.2        50.
 MINIMUM                      7.2      0.006      0.019        4.6         0.
 DATE OF MINIMUM       1997-06-12 1997-07-10 1997-09-11 1997-03-13 1997-03-13
 10TH PERCENTILE              7.2      0.006      0.021        4.8         2.
 MEDIAN                       7.5      0.017      0.056       17.4        31.
 90TH PERCENTILE              7.6      0.025      0.096       29.3       100.
 MAXIMUM                      7.7      0.029      0.153       39.5       100.
 DATE OF MAXIMUM       1997-10-21 1997-02-13 1997-08-14 1997-08-14 1997-07-10
 STANDARD DEVIATION           0.1      0.007      0.039       11.1        39.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-16 TO 1997-12-11

 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       12         12         12         12         12
 MEAN                       274.7       55.8        3.8       15.3        2.9
 MINIMUM                    154.0       30.0        1.0        8.6        1.6
 DATE OF MINIMUM       1997-09-11 1997-03-13 1997-03-13 1997-09-11 1997-03-13
 10TH PERCENTILE            155.2       30.6        1.2        8.7        1.6
 MEDIAN                     248.5       50.5        3.5       13.9        2.6
 90TH PERCENTILE            414.9       82.4        5.0       23.3        4.3
 MAXIMUM                    443.0       90.0        8.0       24.9        4.7
 DATE OF MAXIMUM       1997-04-10 1997-04-10 1997-08-14 1997-04-10 1997-04-10
 STANDARD DEVIATION         111.3       22.4        1.9        6.2        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       12         12         12         12         12
 MEAN                         41.        7.3        1.6        4.5      0.032
 MINIMUM                      29.        2.4        0.4        0.8      0.005
 DATE OF MINIMUM       1997-11-13 1997-08-14 1997-05-15 1997-06-12 1997-03-13
 10TH PERCENTILE              30.        2.7        0.4        0.9      0.005
 MEDIAN                       42.        7.1        1.4        3.0      0.020
 90TH PERCENTILE              50.       10.9        2.8        9.1      0.066
 MAXIMUM                      55.       13.9        3.7       12.0      0.093
 DATE OF MAXIMUM       1997-07-10 1997-01-16 1997-03-13 1997-05-15 1997-02-13
 STANDARD DEVIATION            8.        3.3        1.1        3.7      0.029




                              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       12         12         12         12         12
 MEAN                        0.01       0.34        99.       11.8         1.
 MINIMUM                     0.01       0.19        96.        9.8         0.
 DATE OF MINIMUM       1997-06-12 1997-12-11 1997-01-16 1997-01-16 1997-03-13
 10TH PERCENTILE             0.01       0.19        96.       10.0         0.
 MEDIAN                      0.01       0.30        99.       11.8         1.
 90TH PERCENTILE             0.01       0.47       100.       12.7         1.
 MAXIMUM                     0.01       0.70       100.       13.2         2.
 DATE OF MAXIMUM       1997-10-21 1997-05-15 1997-10-21 1997-08-14 1997-05-15
 STANDARD DEVIATION          0.00       0.15         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       12         12         12         12         12
 MEAN                         7.1      0.008      0.029        1.8        44.
 MINIMUM                      6.8      0.004      0.011        0.5         0.
 DATE OF MINIMUM       1997-04-10 1997-09-11 1997-06-12 1997-03-13 1997-02-13
 10TH PERCENTILE              6.8      0.004      0.011        0.5         0.
 MEDIAN                       7.1      0.007      0.025        1.4        38.
 90TH PERCENTILE              7.2      0.012      0.047        3.6        92.
 MAXIMUM                      7.2      0.013      0.066        4.6       100.
 DATE OF MAXIMUM       1997-10-21 1997-05-15 1997-05-15 1997-02-13 1997-09-11
 STANDARD DEVIATION           0.1      0.003      0.017        1.4        35.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-16 TO 1997-12-11

 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       12         12         12         12         12
 MEAN                       273.9       56.0        3.3       15.4        2.9
 MINIMUM                    150.0       30.0        1.0        8.5        1.6
 DATE OF MINIMUM       1997-09-11 1997-09-11 1997-03-13 1997-09-11 1997-09-11
 10TH PERCENTILE            153.0       30.4        1.0        8.7        1.7
 MEDIAN                     240.5       49.5        3.0       13.4        2.5
 90TH PERCENTILE            421.9       85.9        5.7       23.5        4.4
 MAXIMUM                    447.0       91.0        6.0       25.1        4.7
 DATE OF MAXIMUM       1997-02-13 1997-04-10 1997-08-14 1997-02-13 1997-04-10
 STANDARD DEVIATION         103.4       21.2        1.8        5.7        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       12         12         12         12         12
 MEAN                         68.        8.3        0.6       15.0      0.070
 MINIMUM                      40.        3.5        0.1        2.1      0.016
 DATE OF MINIMUM       1997-11-13 1997-07-10 1997-08-14 1997-03-13 1997-03-13
 10TH PERCENTILE              44.        3.7        0.1        2.4      0.017
 MEDIAN                       68.        7.9        0.4        9.3      0.063
 90TH PERCENTILE              79.       12.9        0.8       25.5      0.096
 MAXIMUM                      87.       16.5        2.3       71.0      0.170
 DATE OF MAXIMUM       1997-03-13 1997-01-16 1997-03-13 1997-08-14 1997-07-10
 STANDARD DEVIATION           12.        4.0        0.6       19.3      0.042




                              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       12         12         12         12         12
 MEAN                        0.01       0.46       103.       12.2         1.
 MINIMUM                     0.00       0.22       100.        9.9         0.
 DATE OF MINIMUM       1997-11-13 1997-03-13 1997-04-10 1997-01-16 1997-03-13
 10TH PERCENTILE             0.00       0.23       100.       10.0         0.
 MEDIAN                      0.01       0.46       102.       12.3         1.
 90TH PERCENTILE             0.01       0.59       105.       13.2         1.
 MAXIMUM                     0.01       0.81       105.       13.2         2.
 DATE OF MAXIMUM       1997-10-21 1997-08-14 1997-09-11 1997-12-11 1997-08-14
 STANDARD DEVIATION          0.00       0.17         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       12         12         12         12         12
 MEAN                         7.4      0.013      0.070       41.2        50.
 MINIMUM                      7.1      0.007      0.024       10.8         0.
 DATE OF MINIMUM       1997-11-13 1997-11-13 1997-03-13 1997-03-13 1997-01-16
 10TH PERCENTILE              7.1      0.007      0.024       11.8         0.
 MEDIAN                       7.4      0.013      0.061       33.7        50.
 90TH PERCENTILE              7.7      0.018      0.092       76.8       100.
 MAXIMUM                      7.8      0.019      0.224       91.8       100.
 DATE OF MAXIMUM       1997-03-13 1997-01-16 1997-08-14 1997-08-14 1997-07-10
 STANDARD DEVIATION           0.2      0.004      0.054       26.7        45.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-15 TO 1997-12-10

 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       12         12         12         12         12
 MEAN                        87.2       19.2        1.4        4.8        1.0
 MINIMUM                     29.0        6.0        0.0        1.4        0.3
 DATE OF MINIMUM       1997-10-16 1997-06-11 1997-06-11 1997-07-09 1997-10-16
 10TH PERCENTILE             29.2        6.2        0.0        1.4        0.3
 MEDIAN                      47.0       13.0        1.0        2.4        0.5
 90TH PERCENTILE            187.7       39.5        2.7       10.6        2.1
 MAXIMUM                    311.0       62.0        3.0       17.7        3.4
 DATE OF MAXIMUM       1997-04-09 1997-04-09 1997-07-09 1997-04-09 1997-04-09
 STANDARD DEVIATION          89.9       17.5        1.0        5.1        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       12         12         12         12         12
 MEAN                         71.       10.8        0.9       13.9      0.099
 MINIMUM                      68.        5.4        0.1        1.7      0.014
 DATE OF MINIMUM       1997-01-15 1997-08-13 1997-04-09 1997-03-12 1997-03-12
 10TH PERCENTILE              68.        5.5        0.1        1.8      0.015
 MEDIAN                       72.       11.6        0.6        6.7      0.078
 90TH PERCENTILE              73.       15.8        1.7       33.3      0.178
 MAXIMUM                      74.       15.9        2.3       64.0      0.305
 DATE OF MAXIMUM       1997-05-14 1997-02-12 1997-07-09 1997-04-09 1997-04-09
 STANDARD DEVIATION            2.        3.8        0.8       19.1      0.081




                              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       12         12         12         12         12
 MEAN                        0.01       0.25       101.       11.2         1.
 MINIMUM                     0.00       0.08        96.        9.7         0.
 DATE OF MINIMUM       1997-03-12 1997-10-16 1997-02-12 1997-02-12 1997-09-10
 10TH PERCENTILE             0.00       0.08        96.        9.7         0.
 MEDIAN                      0.00       0.17       100.       11.0         0.
 90TH PERCENTILE             0.01       0.42       105.       12.5         1.
 MAXIMUM                     0.02       0.98       108.       12.7         2.
 DATE OF MAXIMUM       1997-04-09 1997-04-09 1997-10-16 1997-08-13 1997-04-09
 STANDARD DEVIATION          0.00       0.25         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       12         12         12         12         12
 MEAN                         7.7      0.005      0.044      606.7        61.
 MINIMUM                      7.4      0.000      0.005      239.0         0.
 DATE OF MINIMUM       1997-04-09 1997-10-16 1997-09-10 1997-03-12 1997-03-12
 10TH PERCENTILE              7.4      0.000      0.005      271.2         2.
 MEDIAN                       7.7      0.002      0.018      610.2        69.
 90TH PERCENTILE              8.0      0.013      0.066      762.5       100.
 MAXIMUM                      8.1      0.022      0.264     1028.0       100.
 DATE OF MAXIMUM       1997-03-12 1997-04-09 1997-04-09 1997-04-09 1997-07-09
 STANDARD DEVIATION           0.2      0.007      0.072      207.4        37.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-15 TO 1997-12-10

 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       12         12         12         12         12
 MEAN                       173.1       36.3        2.4        9.7        1.9
 MINIMUM                     64.0       13.0        0.0        3.7        0.7
 DATE OF MINIMUM       1997-09-10 1997-09-10 1997-06-11 1997-09-10 1997-09-10
 10TH PERCENTILE             66.6       13.8        0.0        3.8        0.8
 MEDIAN                      97.5       20.0        1.0        5.5        1.1
 90TH PERCENTILE            361.4       78.2        5.4       19.9        3.8
 MAXIMUM                    556.0      111.0        9.0       31.3        5.8
 DATE OF MAXIMUM       1997-04-09 1997-04-09 1997-02-12 1997-04-09 1997-04-09
 STANDARD DEVIATION         157.3       32.2        2.7        8.8        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       12         12         12         12         12
 MEAN                         87.        9.5        0.7       41.6      0.947
 MINIMUM                      59.        3.7        0.0        1.8      0.333
 DATE OF MINIMUM       1997-02-12 1997-08-13 1997-02-12 1997-07-09 1997-02-12
 10TH PERCENTILE              60.        3.9        0.0        2.0      0.390
 MEDIAN                       86.        9.5        0.6        7.8      0.892
 90TH PERCENTILE             107.       13.2        1.2      147.9      1.360
 MAXIMUM                     112.       13.8        1.7      205.0      1.554
 DATE OF MAXIMUM       1997-07-09 1997-02-12 1997-09-10 1997-02-12 1997-07-09
 STANDARD DEVIATION           19.        3.3        0.5       74.7      0.371




                              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       12         12         12         12         12
 MEAN                        0.03       1.34        97.       11.1         1.
 MINIMUM                     0.01       0.75        94.        9.9         0.
 DATE OF MINIMUM       1997-10-16 1997-10-16 1997-03-12 1997-12-10 1997-08-13
 10TH PERCENTILE             0.01       0.79        94.        9.9         0.
 MEDIAN                      0.02       1.30        97.       11.0         1.
 90TH PERCENTILE             0.05       1.72        99.       12.3         2.
 MAXIMUM                     0.08       1.79       100.       12.6         4.
 DATE OF MAXIMUM       1997-05-14 1997-04-09 1997-10-16 1997-08-13 1997-04-09
 STANDARD DEVIATION          0.02       0.34         2.        0.9         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       12         12         12         12         12
 MEAN                         7.1      0.022      0.103      165.7        70.
 MINIMUM                      6.9      0.007      0.025       34.3         0.
 DATE OF MINIMUM       1997-01-15 1997-10-16 1997-09-10 1997-03-12 1997-03-12
 10TH PERCENTILE              6.9      0.007      0.025       36.2         0.
 MEDIAN                       7.1      0.013      0.048       83.5        81.
 90TH PERCENTILE              7.2      0.042      0.212      348.8       100.
 MAXIMUM                      7.2      0.049      0.502      671.0       100.
 DATE OF MAXIMUM       1997-11-12 1997-04-09 1997-04-09 1997-04-09 1997-06-11
 STANDARD DEVIATION           0.1      0.015      0.141      190.3        38.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-15 TO 1997-12-10

 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       12         12         12         12         12
 MEAN                        81.5       18.2        1.7        4.5        0.9
 MINIMUM                     22.0        5.0        0.0        1.1        0.2
 DATE OF MINIMUM       1997-07-09 1997-03-12 1997-03-12 1997-07-09 1997-05-14
 10TH PERCENTILE             22.4        5.2        0.0        1.2        0.3
 MEDIAN                      32.0        8.5        1.0        1.8        0.5
 90TH PERCENTILE            190.2       40.4        4.1       10.3        1.8
 MAXIMUM                    223.0       49.0        7.0       12.2        2.3
 DATE OF MAXIMUM       1997-02-12 1997-02-12 1997-04-09 1997-02-12 1997-02-12
 STANDARD DEVIATION          76.6       16.2        2.2        4.2        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       12         12         12         12         12
 MEAN                         45.        8.8        1.6       27.2      0.177
 MINIMUM                      30.        3.9        0.1        1.1      0.040
 DATE OF MINIMUM       1997-11-12 1997-08-13 1997-08-13 1997-03-12 1997-11-12
 10TH PERCENTILE              31.        4.5        0.1        1.2      0.046
 MEDIAN                       42.        8.7        1.9        3.0      0.149
 90TH PERCENTILE              54.       11.9        2.9       68.5      0.293
 MAXIMUM                      59.       12.1        3.3      110.0      0.340
 DATE OF MAXIMUM       1997-07-09 1997-02-12 1997-09-10 1997-08-13 1997-07-09
 STANDARD DEVIATION           10.        2.3        1.3       38.0      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       12         12         12         12         12
 MEAN                        0.01       0.31        98.       11.1         0.
 MINIMUM                     0.00       0.16        94.       10.3         0.
 DATE OF MINIMUM       1997-03-12 1997-10-16 1997-05-14 1997-02-12 1997-09-10
 10TH PERCENTILE             0.00       0.16        94.       10.4         0.
 MEDIAN                      0.01       0.33        98.       11.1         0.
 90TH PERCENTILE             0.01       0.38       102.       11.7         1.
 MAXIMUM                     0.03       0.40       102.       12.3         1.
 DATE OF MAXIMUM       1997-04-09 1997-04-09 1997-10-16 1997-08-13 1997-11-12
 STANDARD DEVIATION          0.01       0.08         3.        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       12         12         12         12         12
 MEAN                         7.1      0.009      0.054       33.3        55.
 MINIMUM                      6.9      0.003      0.007        6.8         0.
 DATE OF MINIMUM       1997-08-13 1997-03-12 1997-09-10 1997-07-09 1997-03-12
 10TH PERCENTILE              6.9      0.004      0.007        7.0         2.
 MEDIAN                       7.1      0.007      0.011       20.4        50.
 90TH PERCENTILE              7.2      0.015      0.146       70.6       100.
 MAXIMUM                      7.3      0.022      0.157       85.9       100.
 DATE OF MAXIMUM       1997-09-10 1997-04-09 1997-02-12 1997-08-13 1997-07-09
 STANDARD DEVIATION           0.1      0.006      0.064       29.4        42.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-15 TO 1997-12-10

 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       12         12         12         12         12
 MEAN                       120.2       24.3        1.3        6.8        1.3
 MINIMUM                     34.0        7.0        0.0        1.8        0.4
 DATE OF MINIMUM       1997-07-09 1997-09-10 1997-05-14 1997-07-09 1997-07-09
 10TH PERCENTILE             35.0        7.2        0.0        1.9        0.4
 MEDIAN                      79.0       16.0        1.0        4.5        0.9
 90TH PERCENTILE            265.6       52.1        3.7       15.1        2.8
 MAXIMUM                    296.0       63.0        5.0       16.4        3.1
 DATE OF MAXIMUM       1997-08-13 1997-08-13 1997-08-13 1997-08-13 1997-08-13
 STANDARD DEVIATION          98.0       20.1        1.7        5.5        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       12         12         12         12         12
 MEAN                         47.        9.0        2.7       23.8      0.315
 MINIMUM                      34.        3.3        0.0        0.6      0.084
 DATE OF MINIMUM       1997-08-13 1997-08-13 1997-08-13 1997-06-11 1997-11-12
 10TH PERCENTILE              35.        3.7        0.1        0.7      0.090
 MEDIAN                       45.        8.9        3.4        2.0      0.241
 90TH PERCENTILE              55.       12.8        5.2       41.1      0.526
 MAXIMUM                      60.       13.6        6.6      168.0      0.647
 DATE OF MAXIMUM       1997-07-09 1997-01-15 1997-06-11 1997-08-13 1997-07-09
 STANDARD DEVIATION            8.        3.1        2.4       47.8      0.197




                              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       12         12         12         12         12
 MEAN                        0.01       0.46        98.       11.2         0.
 MINIMUM                     0.00       0.21        96.        9.9         0.
 DATE OF MINIMUM       1997-03-12 1997-11-12 1997-12-10 1997-01-15 1997-03-12
 10TH PERCENTILE             0.00       0.21        96.       10.0         0.
 MEDIAN                      0.00       0.51        98.       11.1         0.
 90TH PERCENTILE             0.01       0.63       101.       12.1         1.
 MAXIMUM                     0.01       0.70       102.       12.5         1.
 DATE OF MAXIMUM       1997-08-13 1997-07-09 1997-07-09 1997-08-13 1997-08-13
 STANDARD DEVIATION          0.00       0.17         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       12         12         12         12         12
 MEAN                         7.1      0.004      0.035       46.5        50.
 MINIMUM                      7.0      0.001      0.003        7.9         0.
 DATE OF MINIMUM       1997-08-13 1997-03-12 1997-09-10 1997-03-12 1997-03-12
 10TH PERCENTILE              7.0      0.002      0.003        8.0         0.
 MEDIAN                       7.2      0.003      0.005       25.9        44.
 90TH PERCENTILE              7.2      0.008      0.065       94.9       100.
 MAXIMUM                      7.2      0.009      0.232      150.1       100.
 DATE OF MAXIMUM       1997-06-11 1997-04-09 1997-08-13 1997-08-13 1997-12-10
 STANDARD DEVIATION           0.1      0.003      0.066       45.4        43.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-14 TO 1997-12-09

 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       12         12         12         12         12
 MEAN                       126.5       24.6        0.9        7.2        1.3
 MINIMUM                     44.0        8.0        0.0        2.5        0.5
 DATE OF MINIMUM       1997-09-09 1997-09-09 1997-05-13 1997-09-09 1997-09-09
 10TH PERCENTILE             44.6        8.4        0.0        2.5        0.5
 MEDIAN                      73.0       13.0        0.5        4.2        0.7
 90TH PERCENTILE            217.4       41.8        2.4       12.2        2.2
 MAXIMUM                    433.0       84.0        4.0       24.4        4.4
 DATE OF MAXIMUM       1997-02-11 1997-02-11 1997-02-11 1997-02-11 1997-02-11
 STANDARD DEVIATION         114.7       22.2        1.3        6.5        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       12         12         12         12         12
 MEAN                         84.       10.8        0.9       37.2      0.851
 MINIMUM                      62.        5.3        0.0        1.7      0.351
 DATE OF MINIMUM       1997-10-15 1997-08-12 1997-02-11 1997-03-11 1997-12-09
 10TH PERCENTILE              64.        5.4        0.0        1.8      0.363
 MEDIAN                       79.       10.7        1.0        4.4      0.813
 90TH PERCENTILE             108.       14.7        1.9       62.8      1.235
 MAXIMUM                     118.       15.4        2.0      275.0      1.487
 DATE OF MAXIMUM       1997-07-08 1997-03-11 1997-03-11 1997-02-11 1997-07-08
 STANDARD DEVIATION           18.        3.5        0.7       78.2      0.350




                              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       12         12         12         12         12
 MEAN                        0.01       1.13       101.       11.2         1.
 MINIMUM                     0.00       0.44        90.        9.3         0.
 DATE OF MINIMUM       1997-12-09 1997-12-09 1997-01-14 1997-01-14 1997-03-11
 10TH PERCENTILE             0.00       0.45        91.        9.4         0.
 MEDIAN                      0.01       1.16       101.       11.2         0.
 90TH PERCENTILE             0.02       1.60       106.       12.3         1.
 MAXIMUM                     0.03       1.63       109.       13.1         3.
 DATE OF MAXIMUM       1997-02-11 1997-02-11 1997-03-11 1997-07-08 1997-02-11
 STANDARD DEVIATION          0.01       0.41         6.        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       12         12         12         12         12
 MEAN                         7.4      0.010      0.069       71.1        81.
 MINIMUM                      7.0      0.004      0.009       13.4         0.
 DATE OF MINIMUM       1997-01-14 1997-10-15 1997-09-09 1997-03-11 1997-03-11
 10TH PERCENTILE              7.1      0.004      0.009       14.2        12.
 MEDIAN                       7.4      0.007      0.015       41.4        88.
 90TH PERCENTILE              7.5      0.018      0.112      140.7       100.
 MAXIMUM                      7.8      0.035      0.449      248.5       100.
 DATE OF MAXIMUM       1997-03-11 1997-02-11 1997-02-11 1997-02-11 1997-05-13
 STANDARD DEVIATION           0.2      0.009      0.126       70.8        29.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-14 TO 1997-12-09

 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       12         12         12         12         12
 MEAN                       166.5       34.3        1.7        9.4        1.8
 MINIMUM                     65.0       14.0        0.0        3.7        0.8
 DATE OF MINIMUM       1997-12-09 1997-12-09 1997-05-13 1997-12-09 1997-03-11
 10TH PERCENTILE             66.6       14.2        0.0        3.8        0.8
 MEDIAN                     134.5       26.5        1.0        7.7        1.5
 90TH PERCENTILE            220.7       44.7        3.4       12.4        2.3
 MAXIMUM                    548.0      116.0        7.0       30.7        6.0
 DATE OF MAXIMUM       1997-02-11 1997-02-11 1997-02-11 1997-02-11 1997-02-11
 STANDARD DEVIATION         132.1       28.0        2.0        7.4        1.4




                             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       12         12         12         12         12
 MEAN                         74.        9.5        1.3       18.8      0.163
 MINIMUM                      40.        4.3        0.0        1.0      0.054
 DATE OF MINIMUM       1997-12-09 1997-07-08 1997-02-11 1997-03-11 1997-12-09
 10TH PERCENTILE              44.        4.6        0.1        1.1      0.058
 MEDIAN                       75.        8.9        1.0        4.0      0.164
 90TH PERCENTILE              85.       13.0        2.7       18.7      0.235
 MAXIMUM                      97.       13.9        3.0      160.0      0.282
 DATE OF MAXIMUM       1997-07-08 1997-01-14 1997-06-10 1997-02-11 1997-07-08
 STANDARD DEVIATION           15.        2.9        1.1       44.9      0.066




                              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       12         12         12         12         12
 MEAN                        0.01       0.34       104.       11.9         1.
 MINIMUM                     0.00       0.10        97.       10.2         0.
 DATE OF MINIMUM       1997-12-09 1997-12-09 1997-02-11 1997-02-11 1997-03-11
 10TH PERCENTILE             0.00       0.11        97.       10.3         0.
 MEDIAN                      0.00       0.33       104.       12.1         0.
 90TH PERCENTILE             0.01       0.38       108.       12.7         1.
 MAXIMUM                     0.01       0.84       115.       14.1         2.
 DATE OF MAXIMUM       1997-02-11 1997-02-11 1997-03-11 1997-07-08 1997-02-11
 STANDARD DEVIATION          0.00       0.18         5.        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       12         12         12         12         12
 MEAN                         7.7      0.004      0.045      169.2        79.
 MINIMUM                      7.3      0.001      0.003       40.0         0.
 DATE OF MINIMUM       1997-12-09 1997-12-09 1997-09-09 1997-07-08 1997-03-11
 10TH PERCENTILE              7.3      0.001      0.004       41.6         5.
 MEDIAN                       7.6      0.003      0.013      106.2       100.
 90TH PERCENTILE              7.9      0.007      0.037      406.3       100.
 MAXIMUM                      8.1      0.014      0.370      540.0       100.
 DATE OF MAXIMUM       1997-03-11 1997-02-11 1997-02-11 1997-02-11 1997-09-09
 STANDARD DEVIATION           0.2      0.004      0.103      171.4        35.





 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  - 1997-01-01 TO 1999-12-31
 PERIOD OF RECORD FROM  - 1997-01-14 TO 1997-12-09

 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       12         12         12         12         12
 MEAN                        59.7       12.2        0.8        3.3        0.6
 MINIMUM                     49.0        9.0        0.0        2.7        0.5
 DATE OF MINIMUM       1997-10-15 1997-11-11 1997-05-13 1997-10-15 1997-08-12
 10TH PERCENTILE             49.0        9.2        0.0        2.7        0.5
 MEDIAN                      58.5       11.5        1.0        3.3        0.6
 90TH PERCENTILE             66.2       14.7        1.0        3.7        0.7
 MAXIMUM                     89.0       18.0        2.0        5.0        0.9
 DATE OF MAXIMUM       1997-04-08 1997-04-08 1997-01-14 1997-04-08 1997-04-08
 STANDARD DEVIATION          10.8        2.6        0.6        0.6        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       12         12         12         12         12
 MEAN                         39.       11.5        6.7        0.6      0.008
 MINIMUM                      38.        6.1        3.1        0.2      0.001
 DATE OF MINIMUM       1997-04-08 1997-08-12 1997-03-11 1997-08-12 1997-03-11
 10TH PERCENTILE              38.        6.5        3.5        0.2      0.001
 MEDIAN                       38.       10.8        6.6        0.4      0.007
 90TH PERCENTILE              39.       16.5        8.9        1.1      0.018
 MAXIMUM                      40.       17.1       10.4        1.9      0.020
 DATE OF MAXIMUM       1997-08-12 1997-02-11 1997-10-15 1997-02-11 1997-09-09
 STANDARD DEVIATION            1.        3.6        2.0        0.5      0.007




                              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       12         12         12         12         12
 MEAN                        0.00       0.07       101.       10.8         0.
 MINIMUM                     0.00       0.05        96.        9.7         0.
 DATE OF MINIMUM       1997-10-15 1997-12-09 1997-04-08 1997-02-11 1997-08-12
 10TH PERCENTILE             0.00       0.05        96.        9.8         0.
 MEDIAN                      0.00       0.07       101.       10.9         0.
 90TH PERCENTILE             0.00       0.09       104.       11.6         0.
 MAXIMUM                     0.01       0.13       104.       11.8         1.
 DATE OF MAXIMUM       1997-02-11 1997-07-08 1997-03-11 1997-08-12 1997-12-09
 STANDARD DEVIATION          0.00       0.02         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       12         12         12         12         12
 MEAN                         7.3      0.001      0.002       11.7        79.
 MINIMUM                      7.1      0.000      0.001        6.1         0.
 DATE OF MINIMUM       1997-08-12 1997-08-12 1997-05-13 1997-02-11 1997-10-15
 10TH PERCENTILE              7.1      0.000      0.001        6.3         8.
 MEDIAN                       7.2      0.001      0.002       12.7        94.
 90TH PERCENTILE              7.6      0.001      0.003       16.4       100.
 MAXIMUM                      7.7      0.001      0.003       21.2       100.
 DATE OF MAXIMUM       1997-03-11 1997-04-08 1997-01-14 1997-06-10 1997-08-12
 STANDARD DEVIATION           0.2      0.000      0.001        4.8        31.



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GEMS/WATER
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Last updated: 2001-07-30