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: 23/05/2022 | Sample Time: 12:40 | |
| 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): 1.50 m |
| Color & Intensity: Light brown | Odour: Odour free | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | 6.21 | mg/l |
| BOD | 13.13 | mg/l |
| Conductivity | 2152.00 | µs/cm |
| Dissolved O2(DO) | 1.40 | mg/l |
| Fecal Coliform | 23000 | MPN/100ml |
| Fecal Streptococci | 330 | MPN/100ml |
| Nitrate-N | 0.56 | mg/l |
| pH | 7.31 | Unit |
| Temperature(Water) | 31.0 | ⁰C |
| Total Coliform | 70000 | MPN/100ml |
| Boron | BDL | mg/l |
| Calcium | 72.00 | mg/l |
| Chloride | 397.20 | mg/l |
| COD | 35.00 | mg/l |
| Fluoride | 0.26 | mg/l |
| Magnesium | 48.60 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.87 | mg/l |
| Potassium | 19.40 | mg/l |
| Sodium | 670.00 | mg/l |
| Sulphate | 105.23 | mg/l |
| Total Alkalinity | 320.00 | mg/l |
| Total Dissolved Solids(TDS) | 1076.00 | mg/l |
| Total Fixed Solids(TFS) | 1050.00 | mg/l |
| Total Hardness as CaCo3 | 380.00 | mg/l |
| Total Suspended Solids(TSS) | 104.00 | mg/l |
| Turbidity | 69.10 | NTU |