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STATISTICS FOR THE UNITED REPUBLIC OF TANZANIA

STATISTICS FOR THE UNITED REPUBLIC OF TANZANIA


GEMS/WATER - STATISTICAL SUMMARY BY STATION     2002-01-08   PAGE 863

 STATION - LAKE VICTORIA SOUTH PORT                 STATION NO. 104001
 COUNTRY - UNITED REPUBLIC OF TANZANIA              DEPTH(M)    9999.9
 LOCATION - OCT. 8  LAT. 02/31/12  LONG. 032/01/24  ELEVATION(M)9999.9
 REGIONAL CENTRE - AFRA                             WATER TYPE   LAKE       

 PERIOD REQUESTED FROM  - 1988-01-01 TO 1990-12-31
 PERIOD OF RECORD FROM  - 1988-10-17 TO 1990-05-29

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC     NO3NO2      NO2-N        NH3     PERM V
                             COND                                            
                            02041      07105      07207      07554      08401
                            us/cm     mg/L N     mg/L N     mg/L N    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          1          1          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        4          2          0          1          4
 MEAN                         89.       0.01       0.01       0.21         6.
 MINIMUM                      80.                                          4.
 DATE OF MINIMUM       1989-07-31                                  1990-05-29
 10TH PERCENTILE                                                             
 MEDIAN                       88.                                          6.
 90TH PERCENTILE                                                             
 MAXIMUM                     100.                                          8.
 DATE OF MAXIMUM       1990-05-16                                  1989-07-31
 STANDARD DEVIATION            8.                                          2.




                                F        ALK         pH         Mg   SULPHATE
                             DISS      TOTAL                  DISS           
                            09105      10102      10302      12103      16302
                           mg/L F       mg/L   pH UNITS    mg/L Mg   mg/L SO4


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        2          5          5          4          4
 MEAN                         0.8      38.40        7.2         3.        10.
 MINIMUM                                2.00        6.8         1.         0.
 DATE OF MINIMUM                  1988-10-17 1990-05-29 1988-10-17 1989-07-31
 10TH PERCENTILE                                                             
 MEDIAN                                52.00        7.1         3.         6.
 90TH PERCENTILE                                                             
 MAXIMUM                               72.00        7.8         4.        28.
 DATE OF MAXIMUM                  1990-05-29 1988-12-15 1988-12-15 1990-05-16
 STANDARD DEVIATION                    33.09        0.4         1.        12.




                               Cl         Ca         Fe
                             DISS       DISS      TOTAL
                            17203      20101      26002
                          mg/L Cl    mg/L Ca    mg/L Fe


 NO. OF L-FLAGGED VALUES        0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0
 NO. OF UNFLAGGED VALUES        5          4          4
 MEAN                         13.     10.400       0.00
 MINIMUM                       6.      6.800       0.00
 DATE OF MINIMUM       1990-05-16 1989-07-31 1988-10-17
 10TH PERCENTILE                                       
 MEDIAN                       11.      8.200       0.00
 90TH PERCENTILE                                       
 MAXIMUM                      28.     18.400       0.00
 DATE OF MAXIMUM       1988-10-17 1988-12-15 1990-05-29
 STANDARD DEVIATION            9.      5.376       0.00





 STATION - RIVER KAGERA NYAKANYASI                  STATION NO. 104003
 COUNTRY - UNITED REPUBLIC OF TANZANIA              DEPTH(M)    9999.9
 LOCATION - OCT. 8  LAT. 01/11/00  LONG. 031/12/15  ELEVATION(M)9999.9
 REGIONAL CENTRE - AFRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1988-01-01 TO 1990-12-31
 PERIOD OF RECORD FROM  - 1988-09-20 TO 1990-05-24

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC     NO3NO2      NO2-N     PERM V          F
                             COND                                        DISS
                            02041      07105      07207      08401      09105
                            us/cm     mg/L N     mg/L N    mg/L O2     mg/L F


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        2          1          1          2          1
 MEAN                        152.       0.40       0.00         8.        0.1
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                              ALK         pH         Mg   SULPHATE         Cl
                            TOTAL                  DISS                  DISS
                            10102      10302      12103      16302      17203
                             mg/L   pH UNITS    mg/L Mg   mg/L SO4    mg/L Cl


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        2          2          1          2          2
 MEAN                       33.00        6.9         6.        13.        11.
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                               Ca         Fe
                             DISS      TOTAL
                            20101      26002
                          mg/L Ca    mg/L Fe


 NO. OF L-FLAGGED VALUES        0          0
 NO. OF G-FLAGGED VALUES        0          0
 NO. OF UNFLAGGED VALUES        1          2
 MEAN                      18.000       0.05
 MINIMUM                                    
 DATE OF MINIMUM                            
 10TH PERCENTILE                            
 MEDIAN                                     
 90TH PERCENTILE                            
 MAXIMUM                                    
 DATE OF MAXIMUM                            
 STANDARD DEVIATION                         





 STATION - RIVER RUVU MLANDIZI                      STATION NO. 104004
 COUNTRY - UNITED REPUBLIC OF TANZANIA              DEPTH(M)    9999.9
 LOCATION - OCT. 8  LAT. 06/49/20  LONG. 038/41/55  ELEVATION(M)9999.9
 REGIONAL CENTRE - AFRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1988-01-01 TO 1990-12-31
 PERIOD OF RECORD FROM  - 1988-02-10 TO 1990-08-10

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC     NO3NO2      NO2-N     PERM V          F
                             COND                                        DISS
                            02041      07105      07207      08401      09105
                            us/cm     mg/L N     mg/L N    mg/L O2     mg/L F


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        8          2          1          6          2
 MEAN                        142.      17.05       0.00         6.        0.8
 MINIMUM                      90.                               2.           
 DATE OF MINIMUM       1988-11-21                       1988-02-10           
 10TH PERCENTILE                                                             
 MEDIAN                      120.                               4.           
 90TH PERCENTILE                                                             
 MAXIMUM                     210.                              14.           
 DATE OF MAXIMUM       1990-05-09                       1990-04-18           
 STANDARD DEVIATION           42.                               5.           




                              ALK         pH         Mg   SULPHATE         Cl
                            TOTAL                  DISS                  DISS
                            10102      10302      12103      16302      17203
                             mg/L   pH UNITS    mg/L Mg   mg/L SO4    mg/L Cl


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        8          8          8          4          8
 MEAN                       54.62        7.5         9.       135.        20.
 MINIMUM                    23.00        6.3         4.         2.         7.
 DATE OF MINIMUM       1988-10-03 1988-11-21 1990-02-12 1988-10-03 1990-04-18
 10TH PERCENTILE                                                             
 MEDIAN                     48.00        7.6         8.        81.        21.
 90TH PERCENTILE                                                             
 MAXIMUM                    88.00        8.2        20.       378.        39.
 DATE OF MAXIMUM       1990-05-09 1990-08-10 1990-08-10 1988-11-21 1988-10-03
 STANDARD DEVIATION         23.51        0.6         5.       176.        10.




                               Ca         Fe   COLIFORM   FAEC COL
                             DISS      TOTAL      TOTAL           
                            20101      26002      36002      36012
                          mg/L Ca    mg/L Fe   No/100ml   No/100ml


 NO. OF L-FLAGGED VALUES        0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          1          1
 NO. OF UNFLAGGED VALUES        7          8          2          1
 MEAN                      19.171       0.10    3.3E+05    5.0E+05
 MINIMUM                    9.600       0.01                      
 DATE OF MINIMUM       1988-02-10 1988-11-21                      
 10TH PERCENTILE                                                  
 MEDIAN                    12.000       0.08                      
 90TH PERCENTILE                                                  
 MAXIMUM                   63.200       0.30                      
 DATE OF MAXIMUM       1990-08-10 1988-02-10                      
 STANDARD DEVIATION        19.494       0.10                      





 STATION - MAKUTOPORA BASIN,DODOMA                  STATION NO. 104006
 COUNTRY - UNITED REPUBLIC OF TANZANIA              DEPTH(M)      99.0
 LOCATION - OCT. 8  LAT. 06/10/48  LONG. 036/04/00  ELEVATION(M)  18.0
 REGIONAL CENTRE - AFRA                             WATER TYPE   GROUNDWATER

 PERIOD REQUESTED FROM  - 1988-01-01 TO 1990-12-31
 PERIOD OF RECORD FROM  - 1988-06-27 TO 1990-09-23

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC     NO3NO2      NO2-N        BOD     PERM V
                             COND                                            
                            02041      07105      07207      08201      08401
                            us/cm     mg/L N     mg/L N    mg/L O2    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          1          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        4          1          1          1          3
 MEAN                        646.       1.37       0.01         1.        20.
 MINIMUM                      64.                                            
 DATE OF MINIMUM       1988-11-03                                            
 10TH PERCENTILE                                                             
 MEDIAN                      785.                                            
 90TH PERCENTILE                                                             
 MAXIMUM                     950.                                            
 DATE OF MAXIMUM       1990-09-23                                            
 STANDARD DEVIATION          396.                                            




                                F        ALK         pH         Mg   SULPHATE
                             DISS      TOTAL                  DISS           
                            09105      10102      10302      12103      16302
                           mg/L F       mg/L   pH UNITS    mg/L Mg   mg/L SO4


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1          3          4          4          2
 MEAN                         2.5     214.67        7.9        28.        53.
 MINIMUM                                            7.1        22.           
 DATE OF MINIMUM                             1988-11-03 1989-09-19           
 10TH PERCENTILE                                                             
 MEDIAN                                             8.1        28.           
 90TH PERCENTILE                                                             
 MAXIMUM                                            8.5        34.           
 DATE OF MAXIMUM                             1989-09-19 1990-09-23           
 STANDARD DEVIATION                                 0.6         6.           




                               Cl         Ca         Fe   FAEC COL
                             DISS       DISS      TOTAL           
                            17203      20101      26002      36012
                          mg/L Cl    mg/L Ca    mg/L Fe   No/100ml


 NO. OF L-FLAGGED VALUES        0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0
 NO. OF UNFLAGGED VALUES        3          4          4          1
 MEAN                         93.     42.200       0.00        47.
 MINIMUM                              16.800       0.00           
 DATE OF MINIMUM                  1988-11-03 1988-11-03           
 10TH PERCENTILE                                                  
 MEDIAN                               47.800       0.00           
 90TH PERCENTILE                                                  
 MAXIMUM                              56.400       0.01           
 DATE OF MAXIMUM                  1990-09-23 1988-06-27           
 STANDARD DEVIATION                   18.133       0.00           





 STATION - MAJI YA CHAI RIVER                       STATION NO. 104009
 COUNTRY - UNITED REPUBLIC OF TANZANIA              DEPTH(M)       0.2
 LOCATION - OCT. 8  LAT. 03/22/15  LONG. 036/53/45  ELEVATION(M)   0.4
 REGIONAL CENTRE - AFRA                             WATER TYPE   RIVER      

 PERIOD REQUESTED FROM  - 1988-01-01 TO 1990-12-31
 PERIOD OF RECORD FROM  - 1988-10-14 TO 1990-05-30

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC     NO3NO2      NO2-N        NH3     PERM V
                             COND                                            
                            02041      07105      07207      07554      08401
                            us/cm     mg/L N     mg/L N     mg/L N    mg/L O2


 NO. OF L-FLAGGED VALUES        0          0          0          1          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        2          1          1          0          2
 MEAN                        630.       0.90       0.00       0.02         4.
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                              ALK         pH         Mg   SULPHATE         Cl
                            TOTAL                  DISS                  DISS
                            10102      10302      12103      16302      17203
                             mg/L   pH UNITS    mg/L Mg   mg/L SO4    mg/L Cl


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        2          2          1          2          2
 MEAN                      256.00        8.1         3.        46.        17.
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                               Ca         Fe
                             DISS      TOTAL
                            20101      26002
                          mg/L Ca    mg/L Fe


 NO. OF L-FLAGGED VALUES        0          0
 NO. OF G-FLAGGED VALUES        0          0
 NO. OF UNFLAGGED VALUES        1          2
 MEAN                       7.200       0.01
 MINIMUM                                    
 DATE OF MINIMUM                            
 10TH PERCENTILE                            
 MEDIAN                                     
 90TH PERCENTILE                            
 MAXIMUM                                    
 DATE OF MAXIMUM                            
 STANDARD DEVIATION                         





 STATION - SAKINA BOHEHOLE                          STATION NO. 104010
 COUNTRY - UNITED REPUBLIC OF TANZANIA              DEPTH(M)      90.3
 LOCATION - OCT. 8  LAT. 06/40/00  LONG. 030/22/00  ELEVATION(M)   9.3
 REGIONAL CENTRE - AFRA                             WATER TYPE   GROUNDWATER

 PERIOD REQUESTED FROM  - 1988-01-01 TO 1990-12-31
 PERIOD OF RECORD FROM  - 1988-10-14 TO 1990-05-25

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC     NO3NO2      NO2-N        NH3     PERM V
                             COND                                            
                            02041      07105      07207      07554      08401
                            us/cm     mg/L N     mg/L N     mg/L N    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        3          1          1          1          3
 MEAN                        427.       0.60       0.00       0.02         3.
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                                F        ALK         pH         Mg   SULPHATE
                             DISS      TOTAL                  DISS           
                            09105      10102      10302      12103      16302
                           mg/L F       mg/L   pH UNITS    mg/L Mg   mg/L SO4


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1          4          4          3          2
 MEAN                         5.2     166.50        8.2         9.        40.
 MINIMUM                              130.00        7.3                      
 DATE OF MINIMUM                  1989-01-21 1990-05-25                      
 10TH PERCENTILE                                                             
 MEDIAN                               176.00        8.4                      
 90TH PERCENTILE                                                             
 MAXIMUM                              184.00        8.6                      
 DATE OF MAXIMUM                  1990-05-25 1988-10-14                      
 STANDARD DEVIATION                    25.48        0.6                      




                               Cl         Ca         Fe
                             DISS       DISS      TOTAL
                            17203      20101      26002
                          mg/L Cl    mg/L Ca    mg/L Fe


 NO. OF L-FLAGGED VALUES        0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0
 NO. OF UNFLAGGED VALUES        4          3          1
 MEAN                         26.     11.600       0.00
 MINIMUM                       9.                      
 DATE OF MINIMUM       1988-10-14                      
 10TH PERCENTILE                                       
 MEDIAN                       14.                      
 90TH PERCENTILE                                       
 MAXIMUM                      67.                      
 DATE OF MAXIMUM       1989-01-21                      
 STANDARD DEVIATION           28.                      




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Last updated: 2001-07-30