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: 09/03/2021 | Sample Time: 12:05 | |
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: Blackish | Odour: Odour free | Visible effluent discharge: Moderate |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
Ammonia-N | 12.40 | mg/l |
BOD | 14.84 | mg/l |
Conductivity | µs/cm | |
Dissolved O2(DO) | 0.40 | mg/l |
Fecal Coliform | 70000 | MPN/100ml |
Fecal Streptococci | 220 | MPN/100ml |
Nitrate-N | 1.61 | mg/l |
pH | 7.26 | Unit |
Temperature(Water) | 25.0 | ⁰C |
Total Coliform | 110000 | MPN/100ml |
Boron | BDL | mg/l |
Calcium | 62.74 | mg/l |
Chloride | 386.62 | mg/l |
COD | 45.00 | mg/l |
Fluoride | 0.40 | mg/l |
Magnesium | 33.35 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Phosphate-P | 0.02 | mg/l |
Potassium | 18.31 | mg/l |
Sodium | 208.39 | mg/l |
Sulphate | 56.67 | mg/l |
Total Alkalinity | 270.00 | mg/l |
Total Dissolved Solids(TDS) | 1432.00 | mg/l |
Total Fixed Solids(TFS) | 1250.00 | mg/l |
Total Hardness as CaCo3 | 294.12 | mg/l |
Total Kjeldahl Nitrogen(TKN) | mg/l | |
Total Suspended Solids(TSS) | 4.00 | mg/l |
Turbidity | 37.40 | NTU |