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: 06/08/2020 | Sample Time: 13:35 | |
| Human Activities: none | Weather: Rainy | Water Body: Rabindra Sarabar |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Clear | Odour: Odour free | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Conductivity | 341.00 | µs/cm |
| Dissolved O2(DO) | 4.80 | mg/l |
| Fecal Coliform | 1100 | MPN/100ml |
| Nitrate-N | 1.29 | mg/l |
| pH | 6.85 | Unit |
| Temperature(Water) | 33.0 | ⁰C |
| Total Coliform | 2800 | MPN/100ml |
| Chloride | 51.99 | mg/l |
| COD | 9.00 | mg/l |
| Fluoride | 0.36 | mg/l |
| Magnesium | 10.48 | mg/l |
| Calcium | 15.69 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.65 | mg/l |
| Potassium | 7.26 | mg/l |
| Sodium | 19.05 | mg/l |
| Sulphate | 24.81 | mg/l |
| Total Alkalinity | 86.00 | mg/l |
| Total Dissolved Solids(TDS) | 224.00 | mg/l |
| Total Fixed Solids(TFS) | 152.00 | mg/l |
| Total Hardness as CaCo3 | 82.35 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 14.00 | mg/l |
| BOD | 1.10 | mg/l |
| Turbidity | 3.26 | NTU |
| Boron | BDL | mg/l |
| Ammonia-N | 0.28 | mg/l |