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: 10/08/2020 | Sample Time: 12:45 | |
| 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): 1.00 m |
| Color & Intensity: Clear | Odour: Odour free | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Magnesium | 9.53 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.40 | mg/l |
| Potassium | 33.92 | mg/l |
| Sodium | 329.11 | mg/l |
| Sulphate | 12.66 | mg/l |
| Total Alkalinity | 180.00 | mg/l |
| Total Dissolved Solids(TDS) | 268.00 | mg/l |
| Total Fixed Solids(TFS) | 284.00 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 56.00 | mg/l |
| Turbidity | 34.70 | NTU |
| pH | 7.29 | Unit |
| Temperature(Water) | 31.0 | ⁰C |
| Ammonia-N | 0.82 | mg/l |
| BOD | 8.59 | mg/l |
| Dissolved O2(DO) | 0.90 | mg/l |
| Fecal Coliform | 23000 | MPN/100ml |
| Calcium | 39.22 | mg/l |
| Total Coliform | 110000 | MPN/100ml |
| Fluoride | 0.32 | mg/l |
| Boron | BDL | mg/l |
| Conductivity | 329.50 | µs/cm |
| Chloride | 69.97 | mg/l |
| COD | 38.93 | mg/l |
| Nitrate-N | 1.42 | mg/l |
| Total Hardness as CaCo3 | 137.25 | mg/l |