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: 17/10/2019 | Sample Time: 12:25 | |
| 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): 2.00 m |
| Color & Intensity: Muddy | Odour: Odour free | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Calcium | 48.00 | mg/l |
| COD | 38.00 | mg/l |
| Fluoride | 0.33 | mg/l |
| Magnesium | 48.00 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.19 | mg/l |
| Potassium | 9.24 | mg/l |
| Sodium | 203.97 | mg/l |
| Sulphate | 21.21 | mg/l |
| Total Alkalinity | 240.00 | mg/l |
| Total Dissolved Solids(TDS) | 134.00 | mg/l |
| Total Fixed Solids(TFS) | 424.00 | mg/l |
| Total Hardness as CaCo3 | 160.00 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 108.00 | mg/l |
| Turbidity | 55.30 | NTU |
| Ammonia-N | 2.52 | mg/l |
| BOD | 6.39 | mg/l |
| Conductivity | 823.40 | µs/cm |
| Temperature | 32.0 | ⁰C |
| Total Coliform | 50000 | MPN/100ml |
| Dissolved O2(DO) | 1.40 | mg/l |
| Fecal Coliform | 17000 | MPN/100ml |
| Nitrate-N | 3.28 | mg/l |
| pH | 7.75 | Unit |
| Boron | BDL | mg/l |
| Chloride | 98.00 | mg/l |