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STATISTICS FOR THE UNITED REPUBLIC OF TANZANIA
GEMS/WATER - STATISTICAL SUMMARY BY STATION 2002-02-18 PAGE 724
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 - 1985-01-01 TO 1987-12-31
PERIOD OF RECORD FROM - 1985-06-26 TO 1987-09-03
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP NO3NO2 NO2-N NH3
COND
02041 02061 07105 07207 07554
us/cm deg C mg/L N mg/L N mg/L N
NO. OF L-FLAGGED VALUES 0 0 0 2 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 9 2 3 2 1
MEAN 307. 25.0 0.32 0.18 0.00
MINIMUM 8. 0.00
DATE OF MINIMUM 1985-09-30 1986-06-13
10TH PERCENTILE
MEDIAN 105. 0.16
90TH PERCENTILE
MAXIMUM 1420. 0.40
DATE OF MAXIMUM 1986-09-08 1987-01-06
STANDARD DEVIATION 442. 0.20
O2 BOD PERM V F ALK
DISS DISS TOTAL
08101 08201 08401 09105 10102
mg/L O2 mg/L O2 mg/L O2 mg/L F 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 1 3 9 3 8
MEAN 7.9 3. 4. 0.3 46.00
MINIMUM 2. 0.00
DATE OF MINIMUM 1985-06-26 1987-03-14
10TH PERCENTILE
MEDIAN 4. 49.00
90TH PERCENTILE
MAXIMUM 5. 96.00
DATE OF MAXIMUM 1985-09-30 1986-06-13
STANDARD DEVIATION 1. 26.77
pH SUSP SOL Na Mg Cl
105 DEG DISS DISS DISS
10302 10401 11105 12103 17201
pH UNITS mg/L mg/L Na mg/L Mg 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 7 4 1 9 3
MEAN 7.5 12. 11. 10. 14.
MINIMUM 6.3 0. 1.
DATE OF MINIMUM 1987-03-14 1985-09-30 1987-09-03
10TH PERCENTILE
MEDIAN 7.6 3. 4.
90TH PERCENTILE
MAXIMUM 8.4 40. 32.
DATE OF MAXIMUM 1985-06-26 1987-03-14 1986-09-08
STANDARD DEVIATION 0.8 19. 10.
Cl K Ca Fe
DISS DISS DISS TOTAL
17203 19105 20101 26002
mg/L Cl mg/L K 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 6 1 9 7
MEAN 6. 3.7 12.178 0.03
MINIMUM 4. 6.000 0.01
DATE OF MINIMUM 1987-09-03 1987-03-14 1985-06-26
10TH PERCENTILE
MEDIAN 6. 8.000 0.03
90TH PERCENTILE
MAXIMUM 7. 46.400 0.08
DATE OF MAXIMUM 1985-12-11 1986-09-08 1987-03-14
STANDARD DEVIATION 1. 12.923 0.03
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 - 1985-01-01 TO 1987-12-31
PERIOD OF RECORD FROM - 1985-09-19 TO 1985-09-19
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC PERM V F ALK pH
COND DISS TOTAL
02041 08401 09105 10102 10302
us/cm mg/L O2 mg/L F mg/L pH UNITS
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 1 1 1 1 1
MEAN 150. 26. 0.2 42.00 8.2
MINIMUM
DATE OF MINIMUM
10TH PERCENTILE
MEDIAN
90TH PERCENTILE
MAXIMUM
DATE OF MAXIMUM
STANDARD DEVIATION
SUSP SOL Mg Cl Ca Fe
105 DEG DISS DISS DISS TOTAL
10401 12103 17201 20101 26002
mg/L mg/L Mg mg/L Cl mg/L Ca mg/L Fe
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 0. 4. 8. 7.600 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 - 1985-01-01 TO 1987-12-31
PERIOD OF RECORD FROM - 1985-01-13 TO 1986-08-25
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC NO3NO2 NO2-N O2 BOD
COND DISS
02041 07105 07207 08101 08201
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 11 3 1 2 1
MEAN 173. 0.09 0.00 8.2 13.
MINIMUM 65.
DATE OF MINIMUM 1985-11-15
10TH PERCENTILE 65.
MEDIAN 140.
90TH PERCENTILE 326.
MAXIMUM 400.
DATE OF MAXIMUM 1986-08-25
STANDARD DEVIATION 110.
PERM V F ALK pH SUSP SOL
DISS TOTAL 105 DEG
08401 09105 10102 10302 10401
mg/L O2 mg/L F mg/L pH UNITS 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 8 5 10 11 7
MEAN 6. 0.3 88.80 7.9 112.
MINIMUM 1. 0.1 46.00 7.1 0.
DATE OF MINIMUM 1985-09-02 1986-03-22 1986-01-09 1985-11-15 1985-09-02
10TH PERCENTILE 46.00 7.1
MEDIAN 6. 0.2 77.00 8.0 53.
90TH PERCENTILE 114.00 8.4
MAXIMUM 10. 0.7 202.00 8.4 418.
DATE OF MAXIMUM 1985-11-15 1985-11-15 1985-11-15 1986-08-25 1986-02-12
STANDARD DEVIATION 3. 0.2 47.05 0.4 148.
Mg Cl Ca Fe COLIFORM
DISS DISS DISS TOTAL TOTAL
12103 17203 20101 26002 36002
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 10 10 10 9 3
MEAN 8. 22. 14.760 0.16 25.
MINIMUM 2. 6. 6.800 0.00
DATE OF MINIMUM 1986-01-09 1985-11-15 1985-11-15 1986-01-09
10TH PERCENTILE 2. 6. 6.800
MEDIAN 4. 13. 13.800 0.15
90TH PERCENTILE 16. 59. 20.800
MAXIMUM 18. 60. 23.200 0.30
DATE OF MAXIMUM 1986-08-23 1986-08-23 1985-09-02 1986-03-22
STANDARD DEVIATION 6. 20. 6.059 0.10
FAEC COL
36012
No/100ml
NO. OF L-FLAGGED VALUES 0
NO. OF G-FLAGGED VALUES 0
NO. OF UNFLAGGED VALUES 1
MEAN 34.
MINIMUM
DATE OF MINIMUM
10TH PERCENTILE
MEDIAN
90TH PERCENTILE
MAXIMUM
DATE OF MAXIMUM
STANDARD DEVIATION
STATION - RIVER RUFIJI STIGLERS GORGE STATION NO. 104005
COUNTRY - UNITED REPUBLIC OF TANZANIA DEPTH(M) 9999.9
LOCATION - OCT. 8 LAT. 07/48/00 LONG. 037/55/00 ELEVATION(M)9999.9
REGIONAL CENTRE - AFRA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1985-01-01 TO 1987-12-31
PERIOD OF RECORD FROM - 1987-03-07 TO 1987-03-07
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC NO2-N NH3 PERM V ALK
COND TOTAL
02041 07207 07554 08401 10102
us/cm mg/L N mg/L N 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 1 1 1 1 1
MEAN 145. 0.14 0.00 9. 54.00
MINIMUM
DATE OF MINIMUM
10TH PERCENTILE
MEDIAN
90TH PERCENTILE
MAXIMUM
DATE OF MAXIMUM
STANDARD DEVIATION
pH Mg Cl Ca Fe
DISS DISS DISS TOTAL
10302 12103 17203 20101 26002
pH UNITS mg/L Mg mg/L Cl mg/L Ca mg/L Fe
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 7.1 4. 6. 7.200 0.12
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 - 1985-01-01 TO 1987-12-31
PERIOD OF RECORD FROM - 1985-03-29 TO 1987-01-04
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC NO3NO2 NO2-N NH3 BOD
COND
02041 07105 07207 07554 08201
us/cm mg/L N mg/L N mg/L N 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 7 3 0 2 2
MEAN 914. 1.66 0.00 0.00 5.
MINIMUM 860.
DATE OF MINIMUM 1987-01-04
10TH PERCENTILE
MEDIAN 920.
90TH PERCENTILE
MAXIMUM 960.
DATE OF MAXIMUM 1985-10-02
STANDARD DEVIATION 32.
PERM V F ALK pH SUSP SOL
DISS TOTAL 105 DEG
08401 09105 10102 10302 10401
mg/L O2 mg/L F mg/L pH UNITS 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 7 5 6 6 5
MEAN 5. 1.7 230.67 8.3 2.
MINIMUM 2. 0.1 158.00 8.2 0.
DATE OF MINIMUM 1985-03-29 1985-03-29 1985-11-02 1985-03-29 1985-09-02
10TH PERCENTILE
MEDIAN 3. 0.8 225.00 8.3 0.
90TH PERCENTILE
MAXIMUM 14. 4.4 320.00 8.6 7.
DATE OF MAXIMUM 1987-01-04 1985-10-02 1985-10-02 1985-09-02 1985-11-02
STANDARD DEVIATION 4. 1.8 65.76 0.2 3.
Mg Cl Ca Fe
DISS DISS DISS TOTAL
12103 17203 20101 26002
mg/L Mg 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 7 7 7 4
MEAN 19. 103. 45.057 0.06
MINIMUM 0. 96. 19.200 0.02
DATE OF MINIMUM 1986-12-05 1986-12-05 1985-10-02 1986-12-05
10TH PERCENTILE
MEDIAN 9. 102. 52.000 0.06
90TH PERCENTILE
MAXIMUM 44. 113. 70.400 0.10
DATE OF MAXIMUM 1987-01-04 1985-03-29 1985-09-02 1985-10-25
STANDARD DEVIATION 18. 5. 17.207 0.05
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 - 1985-01-01 TO 1987-12-31
PERIOD OF RECORD FROM - 1985-01-12 TO 1987-10-29
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 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 7 4 0 1 8
MEAN 792. 0.65 0.01 0.00 23.
MINIMUM 650. 0.13 4.
DATE OF MINIMUM 1987-10-29 1985-09-05 1987-10-29
10TH PERCENTILE
MEDIAN 785. 0.77 10.
90TH PERCENTILE
MAXIMUM 950. 0.93 110.
DATE OF MAXIMUM 1985-10-02 1986-10-29 1985-09-05
STANDARD DEVIATION 89. 0.37 36.
F ALK pH SUSP SOL Mg
DISS TOTAL 105 DEG DISS
09105 10102 10302 10401 12103
mg/L F mg/L pH UNITS mg/L 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 4 8 8 6 6
MEAN 18.5 342.25 8.7 3. 4.
MINIMUM 17.0 286.00 7.9 0. 2.
DATE OF MINIMUM 1985-10-02 1985-01-12 1987-10-29 1985-09-05 1986-10-29
10TH PERCENTILE
MEDIAN 18.0 348.00 8.8 2. 2.
90TH PERCENTILE
MAXIMUM 21.0 428.00 9.1 10. 13.
DATE OF MAXIMUM 1985-09-05 1985-10-02 1985-11-20 1986-10-29 1985-04-06
STANDARD DEVIATION 1.7 48.97 0.4 4. 5.
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 8 6 6
MEAN 21. 4.027 0.05
MINIMUM 13. 1.600 0.01
DATE OF MINIMUM 1985-04-06 1987-10-29 1987-10-29
10TH PERCENTILE
MEDIAN 22. 3.800 0.04
90TH PERCENTILE
MAXIMUM 27. 6.400 0.10
DATE OF MAXIMUM 1985-10-02 1985-09-05 1985-09-05
STANDARD DEVIATION 4. 1.645 0.04
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 - 1985-01-01 TO 1987-12-31
PERIOD OF RECORD FROM - 1985-01-12 TO 1987-01-30
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP NO3NO2 NO2-N NH3
COND
02041 02061 07105 07207 07554
us/cm deg C mg/L N mg/L N mg/L N
NO. OF L-FLAGGED VALUES 0 0 0 1 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 6 1 4 0 1
MEAN 444. 7.4 0.88 0.00 0.00
MINIMUM 8. 0.62
DATE OF MINIMUM 1985-09-13 1985-09-30
10TH PERCENTILE
MEDIAN 458. 0.85
90TH PERCENTILE
MAXIMUM 840. 1.18
DATE OF MAXIMUM 1987-01-30 1985-01-12
STANDARD DEVIATION 266. 0.24
PERM V F ALK pH SUSP SOL
DISS TOTAL 105 DEG
08401 09105 10102 10302 10401
mg/L O2 mg/L F mg/L pH UNITS 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 7 4 7 6 2
MEAN 4. 5.1 211.75 8.4 0.
MINIMUM 1. 1.4 4.23 8.2
DATE OF MINIMUM 1985-09-13 1986-01-25 1985-09-13 1985-01-12
10TH PERCENTILE
MEDIAN 4. 6.0 212.00 8.4
90TH PERCENTILE
MAXIMUM 10. 7.0 360.00 8.9
DATE OF MAXIMUM 1986-10-23 1985-09-30 1986-10-23 1985-04-04
STANDARD DEVIATION 3. 2.5 106.49 0.3
Mg Cl Ca Fe
DISS DISS DISS TOTAL
12103 17203 20101 26002
mg/L Mg 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 5 7 5 7
MEAN 5. 13. 8.112 0.05
MINIMUM 1. 1. 7.200 0.02
DATE OF MINIMUM 1985-09-13 1985-09-30 1985-09-30 1985-04-04
10TH PERCENTILE
MEDIAN 4. 11. 7.200 0.03
90TH PERCENTILE
MAXIMUM 12. 23. 11.200 0.12
DATE OF MAXIMUM 1985-04-04 1987-01-30 1985-09-13 1985-09-13
STANDARD DEVIATION 4. 7. 1.743 0.04
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