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: 13/11/2019 | Sample Time: 12:30 | |
| Human Activities: Fishing | 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: Fishy, Septic | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Dissolved O2(DO) | 1.30 | mg/l |
| Fecal Coliform | 70000 | MPN/100ml |
| Nitrate-N | 11.11 | mg/l |
| pH | 6.60 | Unit |
| Temperature | 28.0 | ⁰C |
| Boron | BDL | mg/l |
| BOD | 8.13 | mg/l |
| Conductivity | 764.80 | µs/cm |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Hardness as CaCo3 | 147.06 | mg/l |
| Chloride | 94.97 | mg/l |
| Total Dissolved Solids(TDS) | 346.00 | mg/l |
| COD | 70.40 | mg/l |
| Fluoride | 0.38 | mg/l |
| Magnesium | 29.06 | mg/l |
| Phosphate-P | 0.35 | mg/l |
| Potassium | 8.27 | mg/l |
| Sodium | 77.14 | mg/l |
| Total Alkalinity | 183.66 | mg/l |
| Ammonia-N | 2.26 | mg/l |
| Total Suspended Solids(TSS) | 118.00 | mg/l |
| Turbidity | 12.30 | NTU |
| Total Coliform | 110000 | MPN/100ml |
| Total Fixed Solids(TFS) | 384.00 | mg/l |
| Calcium | 27.45 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Sulphate | 645.79 | mg/l |