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: 13/01/2021 | Sample Time: 13:05 | |
| Human Activities: Bathing & washing | Weather: Sunny 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: Blackish | Odour: Odour free | Visible effluent discharge: Moderate, Water Hyacinth |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| BOD | 12.50 | mg/l |
| Conductivity | 1672.00 | µs/cm |
| Dissolved O2(DO) | NIL | mg/l |
| Fecal Coliform | 46000 | MPN/100ml |
| Fecal Streptococci | 170 | MPN/100ml |
| Nitrate-N | 2.29 | mg/l |
| pH | 7.40 | Unit |
| Temperature(Water) | 22.0 | ⁰C |
| Total Coliform | 110000 | MPN/100ml |
| Boron | BDL | mg/l |
| Calcium | 66.66 | mg/l |
| Chloride | 269.91 | mg/l |
| COD | 44.00 | mg/l |
| Fluoride | 0.42 | mg/l |
| Magnesium | 19.06 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.19 | mg/l |
| Potassium | 15.48 | mg/l |
| Sodium | 146.31 | mg/l |
| Sulphate | 62.43 | mg/l |
| Total Alkalinity | 280.00 | mg/l |
| Total Dissolved Solids(TDS) | 940.00 | mg/l |
| Total Fixed Solids(TFS) | 892.00 | mg/l |
| Total Hardness as CaCo3 | 245.09 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 184.00 | mg/l |
| Turbidity | 120.00 | NTU |
| Ammonia-N | 4.14 | mg/l |