West Bengal Pollution Control Board |
Central Laboratory |
Paribesh Bhawan, 10A, Block LA, Sector III, Salt Lake City, Kolkata 700 106. (033) 2335-5953 |
Station: U/S OF BIDYADHARI RIVER AT HAROA BRIDGE | River Basin: Tidal streams | CPCB Station Code: 2549 |
Sample Date: 13/04/2021 | Sample Time: 12:25 | |
Human Activities: Bathing & washing | Weather: Sunny | Water Body: U/S OF BIDYADHARI RIVER AT HAROA BRIDGE |
Frequency Of Monitoring: Quarterly | Use Based Class: A | Approximate Depth(Bottom/Table): 2.00 m |
Color & Intensity: Dark Ash | Odour: Fishy | Visible effluent discharge: Moderate |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
Ammonia-N | 9.19 | mg/l |
BOD | 21.67 | mg/l |
Conductivity | 4230.00 | µs/cm |
Dissolved O2(DO) | NIL | mg/l |
Fecal Coliform | 13000 | MPN/100ml |
Fecal Streptococci | 130 | MPN/100ml |
o,p-DDT | ppb | |
p,p-DDT | ppb | |
Nitrate-N | 0.51 | mg/l |
pH | 7.65 | Unit |
Temperature(Water) | 28.0 | ⁰C |
Total Coliform | 49000 | MPN/100ml |
Boron | BDL | mg/l |
Calcium | 144.00 | mg/l |
Chloride | 1337.45 | mg/l |
Fluoride | 0.41 | mg/l |
Magnesium | 63.18 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Phosphate-P | 0.05 | mg/l |
Potassium | 130.11 | mg/l |
Sodium | 421.67 | mg/l |
Sulphate | 131.89 | mg/l |
Total Alkalinity | 290.00 | mg/l |
Total Dissolved Solids(TDS) | 2962.00 | mg/l |
Total Hardness as CaCo3 | 620.00 | mg/l |
Total Kjeldahl Nitrogen(TKN) | mg/l | |
Total Suspended Solids(TSS) | 394.00 | mg/l |
Turbidity | 191.00 | NTU |
Arsenic | BDL | mg/l |
Cadmium | BDL | mg/l |
Chromium Total | BDL | mg/l |
Copper | BDL | mg/l |
Iron | 7.38 | mg/l |
Lead | BDL | mg/l |
Mercury | BDL | mg/l |
Nickel | BDL | mg/l |
Zinc | 0.08 | mg/l |
a-Endosulphan | ppb | |
Aldrin | ppb | |
Anilophos | ppb | |
b-Endosulphan | ppb | |
Chlorpyriphos | ppb | |
Dieldrin | ppb | |
g-BHC | ppb | |
Malathion | ppb | |
Methyl Parathion | ppb | |
COD | 53.00 | mg/l |
Total Fixed Solids(TFS) | 2782.00 | mg/l |
a-BHC | ppb |