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: 21/06/2021 | Sample Time: 13:00 | |
| 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 Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Total Coliform | 1700 | MPN/100ml |
| Boron | BDL | mg/l |
| Chloride | 36.99 | mg/l |
| COD | 16.00 | mg/l |
| Fluoride | 0.33 | mg/l |
| Magnesium | 9.72 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.06 | mg/l |
| Potassium | 8.33 | mg/l |
| Sodium | 43.48 | mg/l |
| Sulphate | 27.23 | mg/l |
| Total Alkalinity | 84.00 | mg/l |
| Total Dissolved Solids(TDS) | 262.00 | mg/l |
| Total Fixed Solids(TFS) | 222.00 | mg/l |
| Total Hardness as CaCo3 | 70.00 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 56.00 | mg/l |
| Turbidity | 5.80 | NTU |
| Ammonia-N | 0.31 | mg/l |
| BOD | 3.90 | mg/l |
| Fecal Coliform | 790 | MPN/100ml |
| Conductivity | 276.30 | µs/cm |
| Dissolved O2(DO) | 7.80 | mg/l |
| Temperature(Water) | 31.0 | ⁰C |
| Nitrate-N | 0.87 | mg/l |
| pH | 7.30 | Unit |
| Calcium | 12.00 | mg/l |