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: 07/05/2021 | Sample Time: 12:20 | |
| 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: Light green | Odour: Odour free | Visible effluent discharge: Moderate, Water Hyacinth |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | 9.59 | mg/l |
| BOD | 10.63 | mg/l |
| Conductivity | 4522.00 | µs/cm |
| Dissolved O2(DO) | 3.10 | mg/l |
| Fecal Coliform | 23000 | MPN/100ml |
| Fecal Streptococci | 270 | MPN/100ml |
| Nitrate-N | 0.63 | mg/l |
| pH | 7.42 | Unit |
| Temperature(Water) | 32.0 | ⁰C |
| Total Coliform | 50000 | MPN/100ml |
| Boron | BDL | mg/l |
| Calcium | 128.00 | mg/l |
| Chloride | 1549.52 | mg/l |
| COD | 28.77 | mg/l |
| Fluoride | 0.42 | mg/l |
| Magnesium | 87.48 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.04 | mg/l |
| Potassium | 31.09 | mg/l |
| Sodium | 440.37 | mg/l |
| Sulphate | 157.17 | mg/l |
| Total Alkalinity | 210.00 | mg/l |
| Total Dissolved Solids(TDS) | 2676.00 | mg/l |
| Total Fixed Solids(TFS) | 2394.00 | mg/l |
| Total Hardness as CaCo3 | 680.00 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 80.00 | mg/l |
| Turbidity | 28.10 | NTU |