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: 05/10/2021 | Sample Time: 13:45 | |
| Human Activities: Bathing washing, Fishing | 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: Rotten egg | Visible effluent discharge: Moderate, Water Hyacinth |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | 1.68 | mg/l |
| BOD | 9.64 | mg/l |
| Conductivity | 679.20 | µs/cm |
| Dissolved O2(DO) | 0.80 | mg/l |
| Fecal Coliform | 33000 | MPN/100ml |
| Fecal Streptococci | 170 | MPN/100ml |
| Nitrate-N | 0.34 | mg/l |
| pH | 7.27 | Unit |
| Temperature(Water) | 31.0 | ⁰C |
| Total Coliform | 79000 | MPN/100ml |
| Boron | BDL | mg/l |
| Calcium | 76.00 | mg/l |
| Chloride | 164.95 | mg/l |
| COD | 25.00 | mg/l |
| Fluoride | 0.35 | mg/l |
| Magnesium | 31.10 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.11 | mg/l |
| Potassium | 6.43 | mg/l |
| Sodium | 46.40 | mg/l |
| Sulphate | 25.22 | mg/l |
| Total Alkalinity | 260.00 | mg/l |
| Total Dissolved Solids(TDS) | 198.00 | mg/l |
| Total Fixed Solids(TFS) | 200.00 | mg/l |
| Total Hardness as CaCo3 | 320.00 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 32.00 | mg/l |
| Turbidity | 24.90 | NTU |