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STATISTICS FOR THE UNITED REPUBLIC OF TANZANIA

STATISTICS FOR THE UNITED REPUBLIC OF TANZANIA


GEMS/WATER - STATISTICAL SUMMARY BY STATION     2002-01-24   PAGE 926

 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  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-02-07 TO 1992-09-25

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP         O2        BOD     PERM V
                             COND                  DISS                      
                            02041      02061      08101      08201      08401
                            us/cm      deg C    mg/L O2    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        4          1          1          1          3
 MEAN                         90.       23.0        6.0         4.         5.
 MINIMUM                      30.                                            
 DATE OF MINIMUM       1992-03-25                                            
 10TH PERCENTILE                                                             
 MEDIAN                      105.                                            
 90TH PERCENTILE                                                             
 MAXIMUM                     120.                                            
 DATE OF MAXIMUM       1991-02-07                                            
 STANDARD DEVIATION           41.                                            




                              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        3          4          4          1          3
 MEAN                       67.33        7.5         4.         4.         7.
 MINIMUM                                 6.7         3.                      
 DATE OF MINIMUM                  1992-09-25 1991-02-07                      
 10TH PERCENTILE                                                             
 MEDIAN                                  7.6         4.                      
 90TH PERCENTILE                                                             
 MAXIMUM                                 7.9         5.                      
 DATE OF MAXIMUM                  1992-06-06 1992-06-06                      
 STANDARD DEVIATION                      0.5         1.                      




                               Ca
                             DISS
                            20101
                          mg/L Ca


 NO. OF L-FLAGGED VALUES        0
 NO. OF G-FLAGGED VALUES        0
 NO. OF UNFLAGGED VALUES        4
 MEAN                       5.300
 MINIMUM                    4.400
 DATE OF MINIMUM       1991-02-07
 10TH PERCENTILE                 
 MEDIAN                     5.200
 90TH PERCENTILE                 
 MAXIMUM                    6.400
 DATE OF MAXIMUM       1992-03-25
 STANDARD DEVIATION         0.825





 STATION - BUKEREBE ISLAND                          STATION NO. 104002
 COUNTRY - UNITED REPUBLIC OF TANZANIA              DEPTH(M)    9999.9
 LOCATION - OCT. 8  LAT. 01/05/24  LONG. 032/01/24  ELEVATION(M)9999.9
 REGIONAL CENTRE - AFRA                             WATER TYPE   LAKE       

 PERIOD REQUESTED FROM  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1992-09-25 TO 1992-09-25

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC       TEMP         O2        BOD     PERM V
                             COND                  DISS                      
                            02041      02061      08101      08201      08401
                            us/cm      deg C    mg/L O2    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        1          1          1          1          1
 MEAN                        130.       23.0        6.1         4.         7.
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                              ALK         pH         Mg         Cl         Ca
                            TOTAL                  DISS       DISS       DISS
                            10102      10302      12103      17203      20101
                             mg/L   pH UNITS    mg/L Mg    mg/L Cl    mg/L Ca


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        1          1          1          1          1
 MEAN                       70.00        8.3         5.         7.      9.600
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          





 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  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-02-04 TO 1991-02-04

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC        NH3        ALK         pH         Mg
                             COND                 TOTAL                  DISS
                            02041      07554      10102      10302      12103
                            us/cm     mg/L N       mg/L   pH UNITS    mg/L Mg


 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          1          1          1          1
 MEAN                        110.       0.12      42.00        7.8         5.
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                         SULPHATE         Cl         Ca         Fe
                                        DISS       DISS      TOTAL
                            16302      17203      20101      26002
                         mg/L SO4    mg/L Cl    mg/L Ca    mg/L Fe


 NO. OF L-FLAGGED VALUES        0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0
 NO. OF UNFLAGGED VALUES        1          1          1          1
 MEAN                          9.         8.      8.400       0.02
 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  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1992-05-21 TO 1993-08-21

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC         O2     PERM V        ALK         pH
                             COND       DISS                 TOTAL           
                            02041      08101      08401      10102      10302
                            us/cm    mg/L O2    mg/L O2       mg/L   pH UNITS


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        2          1          2          2          2
 MEAN                        180.        8.5         5.      74.50        8.0
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                               Mg         Cl         Ca         Fe   FAEC COL
                             DISS       DISS       DISS      TOTAL           
                            12103      17203      20101      26002      36012
                          mg/L Mg    mg/L Cl    mg/L Ca    mg/L Fe   No/100ml


 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          2          1          1
 MEAN                          9.        15.     15.000       0.01        17.
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          





 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  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-03-11 TO 1993-11-05

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC     PERM V        ALK         pH         Mg
                             COND                 TOTAL                  DISS
                            02041      08401      10102      10302      12103
                            us/cm    mg/L O2       mg/L   pH UNITS    mg/L Mg


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        6          6          6          6          6
 MEAN                        938.         2.     244.67        8.4        26.
 MINIMUM                     795.         0.      18.00        7.5        21.
 DATE OF MINIMUM       1992-06-10 1993-05-01 1993-10-14 1993-10-14 1993-10-14
 10TH PERCENTILE                                                             
 MEDIAN                      965.         2.     256.00        8.4        24.
 90TH PERCENTILE                                                             
 MAXIMUM                    1000.         3.     432.00        8.9        31.
 DATE OF MAXIMUM       1993-11-05 1993-11-05 1991-03-11 1992-02-24 1992-06-10
 STANDARD DEVIATION           82.         1.     146.58        0.5         4.




                         SULPHATE         Cl         Ca         Fe
                                        DISS       DISS      TOTAL
                            16302      17203      20101      26002
                         mg/L SO4    mg/L Cl    mg/L Ca    mg/L Fe


 NO. OF L-FLAGGED VALUES        0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0
 NO. OF UNFLAGGED VALUES        1          6          6          2
 MEAN                         22.        72.     46.133       0.00
 MINIMUM                                 16.     21.600           
 DATE OF MINIMUM                  1993-05-01 1992-02-24           
 10TH PERCENTILE                                                  
 MEDIAN                                  80.     51.200           
 90TH PERCENTILE                                                  
 MAXIMUM                                 92.     72.000           
 DATE OF MAXIMUM                  1993-11-05 1993-10-14           
 STANDARD DEVIATION                      29.     20.818           





 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  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-08-22 TO 1992-01-06

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC        NH3        BOD     PERM V        ALK
                             COND                                       TOTAL
                            02041      07554      08201      08401      10102
                            us/cm     mg/L N    mg/L O2    mg/L O2       mg/L


 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          1          2
 MEAN                        825.       0.00         9.         4.     460.00
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                               pH         Mg   SULPHATE         Cl         Ca
                                        DISS                  DISS       DISS
                            10302      12103      16302      17203      20101
                         pH UNITS    mg/L Mg   mg/L SO4    mg/L Cl    mg/L Ca


 NO. OF L-FLAGGED VALUES        0          0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0          0
 NO. OF UNFLAGGED VALUES        2          2          1          2          2
 MEAN                         9.1         4.        11.        20.      3.800
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                               Fe
                            TOTAL
                            26002
                          mg/L Fe


 NO. OF L-FLAGGED VALUES        0
 NO. OF G-FLAGGED VALUES        0
 NO. OF UNFLAGGED VALUES        2
 MEAN                        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  - 1991-01-01 TO 1993-12-31
 PERIOD OF RECORD FROM  - 1991-08-22 TO 1992-01-06

 STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED


                             ELEC     PERM V        ALK         pH         Mg
                             COND                 TOTAL                  DISS
                            02041      08401      10102      10302      12103
                            us/cm    mg/L O2       mg/L   pH UNITS    mg/L Mg


 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          2          2          2
 MEAN                        270.         3.     148.00        8.7         4.
 MINIMUM                                                                     
 DATE OF MINIMUM                                                             
 10TH PERCENTILE                                                             
 MEDIAN                                                                      
 90TH PERCENTILE                                                             
 MAXIMUM                                                                     
 DATE OF MAXIMUM                                                             
 STANDARD DEVIATION                                                          




                         SULPHATE         Cl         Ca         Fe
                                        DISS       DISS      TOTAL
                            16302      17203      20101      26002
                         mg/L SO4    mg/L Cl    mg/L Ca    mg/L Fe


 NO. OF L-FLAGGED VALUES        0          0          0          0
 NO. OF G-FLAGGED VALUES        0          0          0          0
 NO. OF UNFLAGGED VALUES        1          2          2          2
 MEAN                          4.         6.      5.200       0.00
 MINIMUM                                                          
 DATE OF MINIMUM                                                  
 10TH PERCENTILE                                                  
 MEDIAN                                                           
 90TH PERCENTILE                                                  
 MAXIMUM                                                          
 DATE OF MAXIMUM                                                  
 STANDARD DEVIATION                                               





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Last updated: 2001-07-30