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: 06/03/2020 | Sample Time: 12:15 | |
| 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, water hyacinth | Odour: Rotten eggs | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 24.00 | mg/l |
| Ammonia-N | 4.67 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| BOD | 13.13 | mg/l |
| Conductivity | 1710.00 | µs/cm |
| Sodium | 4063.62 | mg/l |
| Dissolved O2(DO) | 0.90 | mg/l |
| Fecal Coliform | 30000 | MPN/100ml |
| Nitrate-N | 2.88 | mg/l |
| pH | 7.03 | Unit |
| Temperature | 27.0 | ⁰C |
| Total Coliform | 70000 | MPN/100ml |
| Boron | BDL | mg/l |
| Calcium | 97.92 | mg/l |
| Chloride | 309.90 | mg/l |
| COD | 43.00 | mg/l |
| Fluoride | 0.41 | mg/l |
| Magnesium | 34.70 | mg/l |
| Phosphate-P | 0.05 | mg/l |
| Potassium | 15.43 | mg/l |
| Sulphate | 67.39 | mg/l |
| Total Alkalinity | 350.00 | mg/l |
| Total Dissolved Solids(TDS) | 932.00 | mg/l |
| Total Fixed Solids(TFS) | 890.00 | mg/l |
| Total Hardness as CaCo3 | 387.60 | mg/l |
| Turbidity | 38.40 | NTU |