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: 09/06/2022 | Sample Time: 13:20 | |
| Human Activities: Bathing washing, Fishing | Weather: clear | 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: Light Ash | Odour: Odour free | Visible effluent discharge: None, Floating Algae |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | 2.69 | mg/l |
| BOD | 11.75 | mg/l |
| Conductivity | 1877.00 | µs/cm |
| Dissolved O2(DO) | 2.10 | mg/l |
| Fecal Coliform | 33000 | MPN/100ml |
| Fecal Streptococci | 330 | MPN/100ml |
| Nitrate-N | 0.71 | mg/l |
| pH | 7.49 | Unit |
| Temperature(Water) | 33.0 | ⁰C |
| Total Coliform | 70000 | MPN/100ml |
| Boron | BDL | mg/l |
| Calcium | 96.00 | mg/l |
| Chloride | 399.88 | mg/l |
| COD | 27.00 | mg/l |
| Fluoride | 0.31 | mg/l |
| Magnesium | 24.30 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.09 | mg/l |
| Potassium | 19.50 | mg/l |
| Sodium | 420.00 | mg/l |
| Sulphate | 81.07 | mg/l |
| Total Alkalinity | 370.00 | mg/l |
| Total Dissolved Solids(TDS) | 1192.00 | mg/l |
| Total Fixed Solids(TFS) | 1020.00 | mg/l |
| Total Hardness as CaCo3 | 340.00 | mg/l |
| Total Suspended Solids(TSS) | 180.00 | mg/l |
| Turbidity | 40.00 | NTU |