West Bengal Pollution Control Board |
Central Laboratory |
Paribesh Bhawan, 10A, Block LA, Sector III, Salt Lake City, Kolkata 700 106. (033) 2335-5953 |
| Station: RABINDRASAROVAR NATIONAL LAKE, CALCUTTA, WEST BENGAL | River Basin: GANGA | CPCB Station Code: 1765 |
| Sample Date: 11/05/2021 | Sample Time: 12:20 | |
| Human Activities: None | Weather: Cloudy | Water Body: Rabindra Sarabar |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.50 m |
| Color & Intensity: Clear | Odour: Odour free | Visible effluent discharge: None, Water Hyacinth |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | 0.25 | mg/l |
| BOD | 3.80 | mg/l |
| Conductivity | 826.10 | µs/cm |
| Dissolved O2(DO) | 8.10 | mg/l |
| Fecal Coliform | MPN/100ml | |
| Nitrate-N | 0.67 | mg/l |
| pH | 7.17 | Unit |
| Temperature(Water) | 26.0 | ⁰C |
| Total Coliform | MPN/100ml | |
| Boron | BDL | mg/l |
| Calcium | 17.60 | mg/l |
| Chloride | 21.06 | mg/l |
| COD | 15.00 | mg/l |
| Fluoride | 0.31 | mg/l |
| Magnesium | 9.23 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.10 | mg/l |
| Potassium | 9.06 | mg/l |
| Sodium | 26.37 | mg/l |
| Sulphate | 24.16 | mg/l |
| Total Alkalinity | 90.00 | mg/l |
| Total Dissolved Solids(TDS) | 234.00 | mg/l |
| Total Fixed Solids(TFS) | 104.00 | mg/l |
| Total Hardness as CaCo3 | 82.00 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 10.00 | mg/l |
| Turbidity | 9.04 | NTU |