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STATISTICS FOR BANGLADESH
GEMS/WATER - STATISTICAL SUMMARY BY STATION 2002-01-30 PAGE 24
STATION - KAPTAI LAKE STATION NO. 136001
COUNTRY - BANGLADESH DEPTH(M) 9999.9
LOCATION - OCT. 2 LAT. 22/29/30 LONG. 092/13/45 ELEVATION(M)9999.9
REGIONAL CENTRE - SEAA WATER TYPE LAKE
PERIOD REQUESTED FROM - 1994-01-01 TO 1996-12-31
PERIOD OF RECORD FROM - 1994-08-15 TO 1995-09-15
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP TRANS NO3NO2 O2
COND DISS
02041 02061 02076 07105 08102
us/cm deg C m mg/L N mg/L O2
NO. OF L-FLAGGED VALUES 0 0 4 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 8 8 3 7 8
MEAN 129. 29.6 33.0 1.48 6.8
MINIMUM 100. 20.0 25.0 0.70 5.8
DATE OF MINIMUM 1995-03-20 1995-01-14 1995-03-20 1995-03-20 1994-08-15
10TH PERCENTILE
MEDIAN 115. 31.0 25.0 1.50 6.9
90TH PERCENTILE
MAXIMUM 190. 34.0 55.0 2.40 7.6
DATE OF MAXIMUM 1995-06-18 1995-04-22 1995-06-18 1995-09-15 1995-04-22
STANDARD DEVIATION 31. 4.5 12.4 0.61 0.6
BOD COD ALK pH SUSP SOL
TOTAL 105 DEG
08201 08301 10101 10302 10401
mg/L O2 mg/L O2 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 7 8 8 8
MEAN 1. 9. 40.25 7.4 25.
MINIMUM 1. 8. 32.00 7.2 16.
DATE OF MINIMUM 1994-08-15 1995-04-22 1995-01-14 1994-10-15 1995-03-20
10TH PERCENTILE
MEDIAN 1. 9. 40.00 7.4 24.
90TH PERCENTILE
MAXIMUM 2. 12. 50.00 7.7 42.
DATE OF MAXIMUM 1995-07-10 1994-10-15 1994-10-15 1995-07-10 1995-06-18
STANDARD DEVIATION 0. 1. 5.90 0.2 9.
Cl COLIFORM
DISS TOTAL
17201 36002
mg/L Cl No/100ml
NO. OF L-FLAGGED VALUES 0 0
NO. OF G-FLAGGED VALUES 0 0
NO. OF UNFLAGGED VALUES 8 5
MEAN 14. 562.
MINIMUM 4. 500.
DATE OF MINIMUM 1995-06-18 1995-06-18
10TH PERCENTILE
MEDIAN 14. 510.
90TH PERCENTILE
MAXIMUM 25. 650.
DATE OF MAXIMUM 1995-04-22 1995-04-22
STANDARD DEVIATION 8. 80.
STATION - LOWER GANGES RIVER (PADHA) STATION NO. 136002
COUNTRY - BANGLADESH DEPTH(M) 9999.9
LOCATION - OCT. 3 LAT. 24/05/00 LONG. 089/02/00 ELEVATION(M)9999.9
REGIONAL CENTRE - SEAA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1994-01-01 TO 1996-12-31
PERIOD OF RECORD FROM - 1994-01-23 TO 1995-11-19
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP TRANS O2 BOD
COND DISS
02041 02061 02076 08102 08201
us/cm deg C m 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 18 18 0 18 18
MEAN 230. 27.1 25.0 7.3 3.
MINIMUM 100. 20.0 6.2 1.
DATE OF MINIMUM 1994-10-18 1994-01-23 1995-07-12 1994-08-17
10TH PERCENTILE 108. 21.6 6.7 1.
MEDIAN 180. 28.5 7.2 1.
90TH PERCENTILE 325. 30.1 7.6 2.
MAXIMUM 580. 32.0 9.5 24.
DATE OF MAXIMUM 1995-02-05 1994-04-15 1995-02-05 1994-01-23
STANDARD DEVIATION 137. 3.6 0.7 5.
ALK pH SUSP SOL Cl Fe
TOTAL 105 DEG DISS TOTAL
10101 10302 10401 17201 26002
mg/L pH UNITS mg/L mg/L Cl 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 18 18 18 18 16
MEAN 60.06 7.3 212. 19. 0.30
MINIMUM 21.00 7.0 58. 9. 0.20
DATE OF MINIMUM 1995-07-12 1994-05-11 1994-03-18 1995-07-12 1994-01-23
10TH PERCENTILE 32.20 7.0 100. 11. 0.20
MEDIAN 56.00 7.2 191. 17. 0.20
90TH PERCENTILE 84.60 7.6 336. 25. 0.48
MAXIMUM 120.00 7.8 380. 50. 0.80
DATE OF MAXIMUM 1994-10-18 1995-07-12 1995-08-08 1995-03-11 1995-07-12
STANDARD DEVIATION 24.84 0.2 89. 9. 0.18
COLIFORM
TOTAL
36002
No/100ml
NO. OF L-FLAGGED VALUES 0
NO. OF G-FLAGGED VALUES 0
NO. OF UNFLAGGED VALUES 2
MEAN 800.
MINIMUM
DATE OF MINIMUM
10TH PERCENTILE
MEDIAN
90TH PERCENTILE
MAXIMUM
DATE OF MAXIMUM
STANDARD DEVIATION
STATION - BRAHMAPUTRA RIVER STATION NO. 136003
COUNTRY - BANGLADESH DEPTH(M) 9999.9
LOCATION - OCT. 3 LAT. 25/11/00 LONG. 089/40/00 ELEVATION(M)9999.9
REGIONAL CENTRE - SEAA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1994-01-01 TO 1996-12-31
PERIOD OF RECORD FROM - 1994-01-02 TO 1995-10-21
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP TRANS O2 BOD
COND DISS
02041 02061 02076 08102 08201
us/cm deg C m mg/L O2 mg/L O2
NO. OF L-FLAGGED VALUES 0 0 15 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 22 22 5 22 21
MEAN 201. 27.8 45.7 7.1 2.
MINIMUM 98. 19.0 25.0 6.2 1.
DATE OF MINIMUM 1994-07-25 1994-01-28 1994-01-28 1994-02-13 1994-01-02
10TH PERCENTILE 101. 20.2 25.0 6.4 1.
MEDIAN 216. 30.0 25.0 7.2 2.
90TH PERCENTILE 278. 32.8 95.0 7.7 3.
MAXIMUM 340. 33.0 165.0 7.9 3.
DATE OF MAXIMUM 1995-09-10 1994-07-25 1995-09-10 1994-08-08 1994-01-28
STANDARD DEVIATION 72. 4.6 38.2 0.5 1.
ALK pH SUSP SOL Cl COLIFORM
TOTAL 105 DEG DISS TOTAL
10101 10302 10401 17201 36002
mg/L pH UNITS mg/L mg/L Cl 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 22 21 18 22 22
MEAN 88.86 7.2 34. 14. 668.
MINIMUM 46.00 6.8 7. 4. 0.
DATE OF MINIMUM 1994-08-08 1994-08-08 1995-07-13 1995-07-13 1995-03-27
10TH PERCENTILE 48.80 6.8 17. 7. 420.
MEDIAN 81.00 7.2 32. 12. 700.
90TH PERCENTILE 126.40 7.3 50. 21. 890.
MAXIMUM 192.00 7.6 55. 25. 1000.
DATE OF MAXIMUM 1994-02-13 1995-02-26 1994-06-22 1995-10-21 1995-08-18
STANDARD DEVIATION 39.15 0.2 12. 6. 215.
STATION - MEGHNA RIVER STATION NO. 136004
COUNTRY - BANGLADESH DEPTH(M) 30.0
LOCATION - OCT. 2 LAT. 24/02/15 LONG. 090/59/30 ELEVATION(M) 7.0
REGIONAL CENTRE - SEAA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1994-01-01 TO 1996-12-31
PERIOD OF RECORD FROM - 1994-03-26 TO 1995-12-24
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP TRANS O2 BOD
COND DISS
02041 02061 02076 08102 08201
us/cm deg C m mg/L O2 mg/L O2
NO. OF L-FLAGGED VALUES 0 0 12 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 20 20 8 20 20
MEAN 230. 28.0 38.2 6.6 2.
MINIMUM 109. 18.0 25.0 6.2 0.
DATE OF MINIMUM 1995-08-20 1994-12-19 1994-03-26 1995-04-15 1995-08-20
10TH PERCENTILE 130. 23.0 25.0 6.2 1.
MEDIAN 250. 29.5 25.0 6.6 2.
90TH PERCENTILE 310. 32.0 65.0 6.9 2.
MAXIMUM 345. 33.0 80.0 7.1 3.
DATE OF MAXIMUM 1995-05-12 1995-07-20 1995-09-07 1995-09-07 1994-10-16
STANDARD DEVIATION 73. 4.0 18.2 0.2 1.
ALK pH SUSP SOL Cl COLIFORM
TOTAL 105 DEG DISS TOTAL
10101 10302 10401 17201 36002
mg/L pH UNITS mg/L mg/L Cl 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 20 20 17 20 20
MEAN 82.65 7.3 39. 24. 764.
MINIMUM 28.00 6.9 25. 9. 200.
DATE OF MINIMUM 1995-08-20 1995-12-24 1995-06-10 1994-07-12 1994-06-15
10TH PERCENTILE 32.00 7.1 26. 10. 500.
MEDIAN 72.50 7.4 36. 18. 775.
90TH PERCENTILE 140.00 7.6 52. 40. 1000.
MAXIMUM 160.00 7.6 55. 65. 1500.
DATE OF MAXIMUM 1994-03-26 1995-04-15 1995-07-20 1995-07-20 1995-06-10
STANDARD DEVIATION 40.10 0.2 9. 14. 261.
STATION - SURMA RIVER STATION NO. 136005
COUNTRY - BANGLADESH DEPTH(M) 30.0
LOCATION - OCT. 2 LAT. 24/45/30 LONG. 090/25/00 ELEVATION(M) 10.0
REGIONAL CENTRE - SEAA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1994-01-01 TO 1996-12-31
PERIOD OF RECORD FROM - 1994-05-11 TO 1994-08-25
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP TRANS NO3NO2 O2
COND DISS
02041 02061 02076 07105 08102
us/cm deg C m 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 2 2 2 2 2
MEAN 170. 29.0 48.5 2.78 6.7
MINIMUM
DATE OF MINIMUM
10TH PERCENTILE
MEDIAN
90TH PERCENTILE
MAXIMUM
DATE OF MAXIMUM
STANDARD DEVIATION
BOD COD ALK pH SUSP SOL
TOTAL 105 DEG
08201 08301 10101 10302 10401
mg/L O2 mg/L O2 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 2 2 2 2 2
MEAN 2. 14. 26.00 7.2 34.
MINIMUM
DATE OF MINIMUM
10TH PERCENTILE
MEDIAN
90TH PERCENTILE
MAXIMUM
DATE OF MAXIMUM
STANDARD DEVIATION
Cl
DISS
17201
mg/L Cl
NO. OF L-FLAGGED VALUES 0
NO. OF G-FLAGGED VALUES 0
NO. OF UNFLAGGED VALUES 2
MEAN 14.
MINIMUM
DATE OF MINIMUM
10TH PERCENTILE
MEDIAN
90TH PERCENTILE
MAXIMUM
DATE OF MAXIMUM
STANDARD DEVIATION
STATION - KARNAPHULI RIVER STATION NO. 136006
COUNTRY - BANGLADESH DEPTH(M) 40.0
LOCATION - OCT. 2 LAT. 22/25/00 LONG. 092/01/30 ELEVATION(M) 15.0
REGIONAL CENTRE - SEAA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1994-01-01 TO 1996-12-31
PERIOD OF RECORD FROM - 1995-01-15 TO 1995-09-13
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP TRANS NO3NO2 O2
COND DISS
02041 02061 02076 07105 08102
us/cm deg C m 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 3 5 4
MEAN 234. 27.2 38.3 1.61 6.6
MINIMUM 170. 22.0 1.03 6.2
DATE OF MINIMUM 1995-01-15 1995-01-15 1995-02-12 1995-01-15
10TH PERCENTILE
MEDIAN 230. 29.0 1.60 6.7
90TH PERCENTILE
MAXIMUM 320. 32.0 2.20 6.8
DATE OF MAXIMUM 1995-06-12 1995-06-12 1995-09-13 1995-06-12
STANDARD DEVIATION 63. 4.4 0.46 0.3
BOD COD ALK pH SUSP SOL
TOTAL 105 DEG
08201 08301 10101 10302 10401
mg/L O2 mg/L O2 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 5 5 5 5 5
MEAN 1. 16. 75.60 7.4 54.
MINIMUM 1. 10. 62.00 7.2 25.
DATE OF MINIMUM 1995-01-15 1995-02-12 1995-09-13 1995-06-12 1995-02-12
10TH PERCENTILE
MEDIAN 1. 16. 78.00 7.5 26.
90TH PERCENTILE
MAXIMUM 2. 22. 85.00 7.5 98.
DATE OF MAXIMUM 1995-03-15 1995-09-13 1995-03-15 1995-03-15 1995-03-15
STANDARD DEVIATION 0. 6. 10.31 0.1 39.
Cl
DISS
17201
mg/L Cl
NO. OF L-FLAGGED VALUES 0
NO. OF G-FLAGGED VALUES 0
NO. OF UNFLAGGED VALUES 4
MEAN 17.
MINIMUM 14.
DATE OF MINIMUM 1995-03-15
10TH PERCENTILE
MEDIAN 16.
90TH PERCENTILE
MAXIMUM 20.
DATE OF MAXIMUM 1995-09-13
STANDARD DEVIATION 2.
STATION - GROUND WATER (TUBE WELL WATER) STATION NO. 136007
COUNTRY - BANGLADESH DEPTH(M) 9999.9
LOCATION - OCT. 3 LAT. 22/45/30 LONG. 089/30/00 ELEVATION(M) 6.0
REGIONAL CENTRE - SEAA WATER TYPE GROUNDWATER
PERIOD REQUESTED FROM - 1994-01-01 TO 1996-12-31
PERIOD OF RECORD FROM - 1994-03-12 TO 1995-11-28
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP O2 BOD ALK
COND DISS TOTAL
02041 02061 08102 08201 10101
us/cm deg C 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 6 6 6 6 6
MEAN 421. 30.3 6.2 1. 130.17
MINIMUM 415. 29.0 6.0 0. 129.00
DATE OF MINIMUM 1995-04-12 1994-03-12 1995-11-28 1995-04-12 1994-11-19
10TH PERCENTILE
MEDIAN 420. 29.0 6.1 1. 130.00
90TH PERCENTILE
MAXIMUM 425. 33.0 6.7 1. 133.00
DATE OF MAXIMUM 1994-11-19 1995-07-18 1994-07-15 1994-07-15 1994-03-12
STANDARD DEVIATION 4. 2.1 0.2 0. 1.47
pH SUSP SOL Cl COLIFORM
105 DEG DISS TOTAL
10302 10401 17201 36002
pH UNITS mg/L mg/L Cl No/100ml
NO. OF L-FLAGGED VALUES 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0
NO. OF UNFLAGGED VALUES 6 6 6 6
MEAN 7.3 56. 22. 0.
MINIMUM 7.1 50. 20. 0.
DATE OF MINIMUM 1995-11-28 1995-04-12 1994-03-12 1994-03-12
10TH PERCENTILE
MEDIAN 7.2 55. 20. 0.
90TH PERCENTILE
MAXIMUM 7.5 60. 25. 0.
DATE OF MAXIMUM 1994-03-12 1994-11-19 1994-11-19 1995-11-28
STANDARD DEVIATION 0.1 3. 3. 0.
STATION - TUBE WELL WATER STATION NO. 136009
COUNTRY - BANGLADESH DEPTH(M) 9999.9
LOCATION - OCT. 2 LAT. 23/50/00 LONG. 090/20/00 ELEVATION(M) 6.0
REGIONAL CENTRE - SEAA WATER TYPE GROUNDWATER
PERIOD REQUESTED FROM - 1994-01-01 TO 1996-12-31
PERIOD OF RECORD FROM - 1994-01-18 TO 1995-12-15
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP O2 BOD ALK
COND DISS TOTAL
02041 02061 08102 08201 10101
us/cm deg C 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 8 7 8 8 7
MEAN 238. 26.3 6.3 0. 79.71
MINIMUM 225. 19.0 5.2 0. 69.00
DATE OF MINIMUM 1994-12-11 1994-01-18 1995-04-12 1994-04-14 1995-04-12
10TH PERCENTILE
MEDIAN 235. 30.0 6.3 0. 80.00
90TH PERCENTILE
MAXIMUM 260. 33.0 6.9 0. 86.00
DATE OF MAXIMUM 1995-04-12 1995-04-12 1994-08-12 1995-04-12 1995-08-19
STANDARD DEVIATION 12. 6.0 0.5 0. 5.19
pH SUSP SOL Cl COLIFORM
105 DEG DISS TOTAL
10302 10401 17201 36002
pH UNITS mg/L mg/L Cl No/100ml
NO. OF L-FLAGGED VALUES 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0
NO. OF UNFLAGGED VALUES 8 8 8 8
MEAN 7.2 21. 16. 0.
MINIMUM 7.1 20. 13. 0.
DATE OF MINIMUM 1994-01-18 1994-01-18 1994-04-14 1994-01-18
10TH PERCENTILE
MEDIAN 7.1 20. 16. 0.
90TH PERCENTILE
MAXIMUM 7.4 23. 19. 0.
DATE OF MAXIMUM 1995-04-12 1995-08-19 1995-04-12 1995-12-15
STANDARD DEVIATION 0.1 1. 2. 0.
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