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: 19/05/2020 | Sample Time: 11:30 | |
| Human Activities: Bathing & washing | Weather: Cloudy | Water Body: U/S OF BIDYADHARI RIVER AT HAROA BRIDGE |
| Frequency Of Monitoring: Quarterly | Use Based Class: A | Approximate Depth(Bottom/Table): 1.50 m |
| Color & Intensity: Mod Ash | Odour: Septic | Visible effluent discharge: None, Water Hyacinth |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Total Alkalinity | 350.00 | mg/l |
| Total Dissolved Solids(TDS) | 732.00 | mg/l |
| Total Fixed Solids(TFS) | 854.00 | mg/l |
| Dissolved O2(DO) | NIL | mg/l |
| Fecal Coliform | 23000 | MPN/100ml |
| Nitrate-N | 2.14 | mg/l |
| pH | 7.56 | Unit |
| Temperature(Water) | 35.0 | ⁰C |
| Total Coliform | 110000 | MPN/100ml |
| Boron | BDL | mg/l |
| Calcium | 137.26 | mg/l |
| COD | 33.32 | mg/l |
| Fluoride | 0.31 | mg/l |
| Magnesium | 57.17 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.11 | mg/l |
| Total Hardness as CaCo3 | 578.43 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Potassium | 11.73 | mg/l |
| Sodium | 509.36 | mg/l |
| Sulphate | 32.69 | mg/l |
| Total Suspended Solids(TSS) | 180.00 | mg/l |
| Turbidity | 36.00 | NTU |
| BOD | 12.88 | mg/l |
| Conductivity | 3516.00 | µs/cm |
| Chloride | 599.81 | mg/l |
| Ammonia-N | 1.49 | mg/l |