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: 09/02/2021 | Sample Time: 12:30 | |
| Human Activities: Bathing & washing, Navigation | 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: Dark Green | Odour: Odour free | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| BOD | 17.86 | mg/l |
| Conductivity | 960.20 | µs/cm |
| Fecal Streptococci | 170 | MPN/100ml |
| Nitrate-N | 0.25 | mg/l |
| pH | 7.21 | Unit |
| Temperature(Water) | 22.0 | ⁰C |
| Total Coliform | 49000 | MPN/100ml |
| Boron | BDL | mg/l |
| Calcium | 62.74 | mg/l |
| Chloride | 214.93 | mg/l |
| COD | 48.00 | mg/l |
| Fluoride | 0.42 | mg/l |
| Magnesium | 28.59 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.06 | mg/l |
| Potassium | 14.29 | mg/l |
| Sodium | 138.76 | mg/l |
| Sulphate | 74.51 | mg/l |
| Total Alkalinity | 300.00 | mg/l |
| Total Dissolved Solids(TDS) | 782.00 | mg/l |
| Total Fixed Solids(TFS) | 710.00 | mg/l |
| Total Hardness as CaCo3 | 274.50 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 80.00 | mg/l |
| Turbidity | NTU | |
| Ammonia-N | 8.03 | mg/l |
| Dissolved O2(DO) | NIL | mg/l |
| Fecal Coliform | 23000 | MPN/100ml |