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: 03/01/2022 | Sample Time: 12:15 | |
| Human Activities: Navigation | 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: Blackish | Odour: Rotten egg | Visible effluent discharge: Moderate, Water Hyacinth |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | 6.80 | mg/l |
| BOD | 12.19 | mg/l |
| Conductivity | 1196.00 | µs/cm |
| Dissolved O2(DO) | NIL | mg/l |
| Fecal Coliform | 49000 | MPN/100ml |
| Fecal Streptococci | 210 | MPN/100ml |
| Nitrate-N | 0.79 | mg/l |
| pH | 7.12 | Unit |
| Temperature(Water) | 20.0 | ⁰C |
| Total Coliform | 110000 | MPN/100ml |
| Boron | BDL | mg/l |
| Calcium | 100.00 | mg/l |
| Chloride | 205.47 | mg/l |
| COD | 41.00 | mg/l |
| Fluoride | 0.40 | mg/l |
| Magnesium | 4.86 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.04 | mg/l |
| Potassium | 11.60 | mg/l |
| Sodium | 132.00 | mg/l |
| Sulphate | 48.17 | mg/l |
| Total Alkalinity | 260.00 | mg/l |
| Total Dissolved Solids(TDS) | 562.00 | mg/l |
| Total Fixed Solids(TFS) | 550.00 | mg/l |
| Total Hardness as CaCo3 | 270.00 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 246.00 | mg/l |
| Turbidity | 153.00 | NTU |