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: 08/07/2020 | Sample Time: 12:20 | |
| Human Activities: Bathing & washing, Navigation | Weather: Cloudy | 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: Clear | Odour: Odour free | Visible effluent discharge: None, Water Hyacinth |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| pH | 7.50 | Unit |
| Temperature(Water) | 32.0 | ⁰C |
| Total Coliform | 80000 | MPN/100ml |
| Boron | BDL | mg/l |
| Calcium | 27.45 | mg/l |
| Chloride | 149.95 | mg/l |
| COD | 30.75 | mg/l |
| Total Dissolved Solids(TDS) | 288.00 | mg/l |
| Total Fixed Solids(TFS) | 390.00 | mg/l |
| Total Hardness as CaCo3 | 156.86 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Ammonia-N | 0.47 | mg/l |
| BOD | 8.50 | mg/l |
| Conductivity | 744.30 | µs/cm |
| Fluoride | 0.41 | mg/l |
| Magnesium | 21.44 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.26 | mg/l |
| Potassium | 55.26 | mg/l |
| Sodium | 356.10 | mg/l |
| Dissolved O2(DO) | 1.30 | mg/l |
| Total Alkalinity | 260.00 | mg/l |
| Fecal Coliform | 23000 | MPN/100ml |
| Total Suspended Solids(TSS) | 22.00 | mg/l |
| Nitrate-N | 6.38 | mg/l |
| Turbidity | 41.10 | NTU |
| Sulphate | 53.74 | mg/l |