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STATISTICS FOR THE UNITED REPUBLIC OF TANZANIA
GEMS/WATER - STATISTICAL SUMMARY BY STATION 2002-02-15 PAGE 625
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 - 1982-01-01 TO 1984-12-31
PERIOD OF RECORD FROM - 1982-01-11 TO 1984-03-05
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP NO3NO2 NH3 O2
COND DISS
02041 02061 07105 07554 08101
us/cm deg C 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 6 3 2 2 1
MEAN 106. 26.0 0.50 0.45 5.2
MINIMUM 77.
DATE OF MINIMUM 1982-07-27
10TH PERCENTILE
MEDIAN 92.
90TH PERCENTILE
MAXIMUM 170.
DATE OF MAXIMUM 1982-01-11
STANDARD DEVIATION 35.
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 6 3 8 6 7
MEAN 9. 0.6 56.50 7.4 5.
MINIMUM 4. 26.00 6.3 0.
DATE OF MINIMUM 1984-03-05 1982-07-27 1982-01-11 1982-12-15
10TH PERCENTILE
MEDIAN 6. 53.50 7.4 0.
90TH PERCENTILE
MAXIMUM 22. 100.00 8.6 14.
DATE OF MAXIMUM 1982-01-11 1982-01-11 1982-05-10 1982-01-11
STANDARD DEVIATION 7. 22.08 0.9 7.
Na Mg SULPHATE Cl K
DISS DISS DISS DISS
11105 12103 16302 17201 19105
mg/L Na mg/L Mg mg/L SO4 mg/L Cl mg/L K
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 6 1 6 3
MEAN 9. 4. 1. 5. 4.6
MINIMUM 0. 1.
DATE OF MINIMUM 1982-12-15 1982-07-27
10TH PERCENTILE
MEDIAN 3. 5.
90TH PERCENTILE
MAXIMUM 16. 8.
DATE OF MAXIMUM 1984-03-05 1982-12-15
STANDARD DEVIATION 6. 2.
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 8 1
MEAN 6.225 0.01
MINIMUM 2.600
DATE OF MINIMUM 1982-03-04
10TH PERCENTILE
MEDIAN 6.400
90TH PERCENTILE
MAXIMUM 10.400
DATE OF MAXIMUM 1982-05-10
STANDARD DEVIATION 2.595
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 - 1982-01-01 TO 1984-12-31
PERIOD OF RECORD FROM - 1982-02-21 TO 1984-02-22
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP NO3NO2 NH3 PERM V
COND
02041 02061 07105 07554 08401
us/cm deg C 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 7 3 2 1 8
MEAN 99. 26.3 0.00 0.00 7.
MINIMUM 81. 3.
DATE OF MINIMUM 1982-07-03 1982-12-09
10TH PERCENTILE
MEDIAN 100. 8.
90TH PERCENTILE
MAXIMUM 120. 14.
DATE OF MAXIMUM 1982-08-03 1982-02-21
STANDARD DEVIATION 14. 3.
F ALK pH SUSP SOL Na
DISS TOTAL 105 DEG DISS
09105 10102 10302 10401 11105
mg/L F mg/L pH UNITS mg/L mg/L Na
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 5 9 8 4 4
MEAN 0.6 50.67 7.3 44. 6.
MINIMUM 0.5 35.00 5.7 3. 5.
DATE OF MINIMUM 1982-08-03 1982-04-05 1982-12-09 1982-07-03 1982-02-21
10TH PERCENTILE
MEDIAN 0.6 48.00 7.3 52. 5.
90TH PERCENTILE
MAXIMUM 0.8 84.00 8.3 68. 6.
DATE OF MAXIMUM 1982-02-21 1982-03-08 1983-02-21 1982-02-21 1982-07-03
STANDARD DEVIATION 0.1 15.89 0.9 29. 1.
Mg SULPHATE Cl K Ca
DISS DISS DISS DISS
12103 16302 17201 19105 20101
mg/L Mg mg/L SO4 mg/L Cl mg/L K mg/L Ca
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 6 1 8 4 9
MEAN 11. 4. 6. 4.9 9.778
MINIMUM 2. 1. 4.5 3.200
DATE OF MINIMUM 1982-12-09 1982-07-03 1982-02-21 1983-09-16
10TH PERCENTILE
MEDIAN 4. 6. 5.0 8.000
90TH PERCENTILE
MAXIMUM 44. 10. 5.3 24.800
DATE OF MAXIMUM 1982-02-21 1982-02-21 1982-07-03 1982-12-09
STANDARD DEVIATION 16. 3. 0.3 6.606
Fe
TOTAL
26002
mg/L Fe
NO. OF L-FLAGGED VALUES 0
NO. OF G-FLAGGED VALUES 0
NO. OF UNFLAGGED VALUES 1
MEAN 0.04
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 - 1982-01-01 TO 1984-12-31
PERIOD OF RECORD FROM - 1982-08-25 TO 1984-10-16
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP NO3NO2 NH3 O2
COND DISS
02041 02061 07105 07554 08101
us/cm deg C 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 5 5 2 1 4
MEAN 130. 30.2 0.06 1.00 17.6
MINIMUM 97. 28.0 6.8
DATE OF MINIMUM 1982-08-25 1982-08-25 1984-07-15
10TH PERCENTILE
MEDIAN 107. 30.0 7.1
90TH PERCENTILE
MAXIMUM 225. 32.0 49.1
DATE OF MAXIMUM 1983-11-21 1983-11-21 1983-08-17
STANDARD DEVIATION 54. 1.5 21.1
BOD PERM V F ALK pH
DISS TOTAL
08201 08401 09105 10102 10302
mg/L O2 mg/L O2 mg/L F mg/L pH UNITS
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 2 6 2 7 7
MEAN 4. 5. 0.2 55.29 8.1
MINIMUM 3. 25.00 7.7
DATE OF MINIMUM 1983-10-19 1982-08-25 1984-07-15
10TH PERCENTILE
MEDIAN 4. 64.00 8.1
90TH PERCENTILE
MAXIMUM 11. 72.00 8.9
DATE OF MAXIMUM 1982-08-25 1984-07-15 1982-08-25
STANDARD DEVIATION 3. 18.37 0.4
SUSP SOL Na Mg Cl Cl
105 DEG DISS DISS DISS DISS
10401 11105 12103 17201 17203
mg/L mg/L Na mg/L Mg mg/L Cl 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 5 4 1
MEAN 58. 9. 5. 17. 10.
MINIMUM 0. 10.
DATE OF MINIMUM 1983-01-29 1983-10-19
10TH PERCENTILE
MEDIAN 5. 16.
90TH PERCENTILE
MAXIMUM 9. 26.
DATE OF MAXIMUM 1983-10-19 1983-01-29
STANDARD DEVIATION 4. 7.
K Ca Fe FAEC COL
DISS DISS TOTAL
19105 20101 26002 36012
mg/L K 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 2
NO. OF UNFLAGGED VALUES 2 7 3 0
MEAN 2.1 13.166 0.15 300.
MINIMUM 2.800
DATE OF MINIMUM 1983-01-29
10TH PERCENTILE
MEDIAN 10.000
90TH PERCENTILE
MAXIMUM 30.000
DATE OF MAXIMUM 1983-10-19
STANDARD DEVIATION 11.581
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 - 1982-01-01 TO 1984-12-31
PERIOD OF RECORD FROM - 1982-03-11 TO 1984-10-18
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP NO3NO2 NH3 O2
COND DISS
02041 02061 07105 07554 08101
us/cm deg C 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 5 3 4 1 1
MEAN 632. 27.3 2.85 0.00 10.0
MINIMUM 99. 0.01
DATE OF MINIMUM 1984-02-08 1984-10-18
10TH PERCENTILE
MEDIAN 733. 2.70
90TH PERCENTILE
MAXIMUM 950. 6.00
DATE OF MAXIMUM 1984-10-18 1983-02-08
STANDARD DEVIATION 337. 2.76
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 4 1 5 5 3
MEAN 15. 0.9 200.68 7.9 220.
MINIMUM 4. 0.38 7.3
DATE OF MINIMUM 1983-07-30 1984-02-08 1982-03-11
10TH PERCENTILE
MEDIAN 5. 302.00 8.1
90TH PERCENTILE
MAXIMUM 45. 368.00 8.3
DATE OF MAXIMUM 1983-02-08 1984-10-18 1983-02-08
STANDARD DEVIATION 20. 173.35 0.4
Na Mg SULPHATE Cl Cl
DISS DISS DISS DISS
11105 12103 16302 17201 17203
mg/L Na mg/L Mg mg/L SO4 mg/L Cl 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 1 2 1 4 1
MEAN 158. 22. 68. 63. 89.
MINIMUM 28.
DATE OF MINIMUM 1983-07-30
10TH PERCENTILE
MEDIAN 63.
90TH PERCENTILE
MAXIMUM 100.
DATE OF MAXIMUM 1983-02-08
STANDARD DEVIATION 29.
K Ca Fe COLIFORM
DISS DISS TOTAL TOTAL
19105 20101 26002 36002
mg/L K 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 1 3 1 1
MEAN 11.2 76.267 0.01 8.
MINIMUM
DATE OF MINIMUM
10TH PERCENTILE
MEDIAN
90TH PERCENTILE
MAXIMUM
DATE OF MAXIMUM
STANDARD DEVIATION
STATION - LAKE VICTORIA,BUKOBA STATION NO. 104007
COUNTRY - UNITED REPUBLIC OF TANZANIA DEPTH(M) 20.0
LOCATION - OCT. 8 LAT. 00/15/29 LONG. 034/35/29 ELEVATION(M)1136.0
REGIONAL CENTRE - AFRA WATER TYPE LAKE
PERIOD REQUESTED FROM - 1982-01-01 TO 1984-12-31
PERIOD OF RECORD FROM - 1982-02-03 TO 1983-11-30
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP NO3NO2 NH3 NH3
COND
02041 02061 07105 07551 07554
us/cm deg C mg/L N mg/L N mg/L N
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 6 2 4 1 3
MEAN 569. 20.5 0.60 11.80 0.00
MINIMUM 115. 0.00
DATE OF MINIMUM 1982-09-29 1983-01-31
10TH PERCENTILE
MEDIAN 545. 0.70
90TH PERCENTILE
MAXIMUM 1000. 1.00
DATE OF MAXIMUM 1982-02-03 1983-01-29
STANDARD DEVIATION 313. 0.45
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 6 2 6 6 5
MEAN 12. 32.3 223.33 8.3 271.
MINIMUM 5. 29.00 6.9 5.
DATE OF MINIMUM 1983-01-29 1983-01-29 1983-01-29 1982-02-03
10TH PERCENTILE
MEDIAN 11. 257.00 8.4 25.
90TH PERCENTILE
MAXIMUM 22. 310.00 8.8 1069.
DATE OF MAXIMUM 1982-02-03 1982-08-30 1983-01-31 1983-01-29
STANDARD DEVIATION 6. 108.04 0.7 457.
Na Mg SULPHATE Cl K
DISS DISS DISS DISS
11105 12103 16302 17201 19105
mg/L Na mg/L Mg mg/L SO4 mg/L Cl mg/L K
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 4 1 6 2
MEAN 141. 8. 5. 13. 28.8
MINIMUM 1. 1.
DATE OF MINIMUM 1982-02-03 1982-08-30
10TH PERCENTILE
MEDIAN 1. 16.
90TH PERCENTILE
MAXIMUM 29. 24.
DATE OF MAXIMUM 1983-01-31 1982-09-29
STANDARD DEVIATION 14. 10.
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 6 1
MEAN 4.600 0.04
MINIMUM 2.400
DATE OF MINIMUM 1982-09-29
10TH PERCENTILE
MEDIAN 3.800
90TH PERCENTILE
MAXIMUM 9.600
DATE OF MAXIMUM 1983-01-29
STANDARD DEVIATION 2.791
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 - 1982-01-01 TO 1984-12-31
PERIOD OF RECORD FROM - 1984-03-09 TO 1984-03-09
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC ALK pH SUSP SOL Mg
COND TOTAL 105 DEG DISS
02041 10102 10302 10401 12103
us/cm 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 1 1 1 1 1
MEAN 840. 186.00 8.4 588. 3.
MINIMUM
DATE OF MINIMUM
10TH PERCENTILE
MEDIAN
90TH PERCENTILE
MAXIMUM
DATE OF MAXIMUM
STANDARD DEVIATION
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 1 1 1
MEAN 21. 4.000 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 - 1982-01-01 TO 1984-12-31
PERIOD OF RECORD FROM - 1982-09-28 TO 1983-11-30
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP NO3NO2 NH3 NH3
COND
02041 02061 07105 07551 07554
us/cm deg C mg/L N mg/L N mg/L N
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 5 3 4 1 4
MEAN 308. 20.7 0.75 8.20 0.00
MINIMUM 130. 0.00 0.00
DATE OF MINIMUM 1982-09-28 1982-11-22 1982-09-28
10TH PERCENTILE
MEDIAN 370. 0.50 0.00
90TH PERCENTILE
MAXIMUM 495. 2.00 0.00
DATE OF MAXIMUM 1983-11-30 1982-09-28 1983-02-01
STANDARD DEVIATION 151. 0.96 0.00
PERM V ALK pH SUSP SOL Mg
TOTAL 105 DEG DISS
08401 10102 10302 10401 12103
mg/L O2 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 5 5 5 3 3
MEAN 7. 144.20 7.1 217. 2.
MINIMUM 4. 110.00 2.0
DATE OF MINIMUM 1982-10-18 1982-09-28 1982-10-18
10TH PERCENTILE
MEDIAN 8. 120.00 8.4
90TH PERCENTILE
MAXIMUM 9. 186.00 9.0
DATE OF MAXIMUM 1983-11-30 1983-02-01 1983-11-30
STANDARD DEVIATION 3. 38.36 2.9
Cl Cl Ca Fe
DISS DISS DISS TOTAL
17201 17203 20101 26002
mg/L Cl 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 4 1 5 1
MEAN 11. 7. 2.000 0.17
MINIMUM 8. 1.600
DATE OF MINIMUM 1982-09-28 1982-11-22
10TH PERCENTILE
MEDIAN 11. 2.000
90TH PERCENTILE
MAXIMUM 13. 2.600
DATE OF MAXIMUM 1983-02-01 1982-10-18
STANDARD DEVIATION 3. 0.424
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