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: 16/02/2022 | Sample Time: 12:45 | |
| Human Activities: None | Weather: Sunny clear | Water Body: Rabindra Sarabar |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 2.00 m |
| Color & Intensity: Light green | Odour: Odour free | Visible effluent discharge: None, Floating Algae |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | 0.15 | mg/l |
| BOD | 3.70 | mg/l |
| Conductivity | 313.60 | µs/cm |
| Dissolved O2(DO) | 7.50 | mg/l |
| Fecal Coliform | 680 | MPN/100ml |
| Nitrate-N | 0.78 | mg/l |
| pH | 7.79 | Unit |
| Temperature(Water) | 21.0 | ⁰C |
| Total Coliform | 1300 | MPN/100ml |
| Boron | BDL | mg/l |
| Calcium | 25.60 | mg/l |
| Chloride | 35.41 | mg/l |
| COD | 19.00 | mg/l |
| Fluoride | 0.28 | mg/l |
| Magnesium | 13.12 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.05 | mg/l |
| Potassium | 7.60 | mg/l |
| Sodium | 50.67 | mg/l |
| Sulphate | 34.18 | mg/l |
| Total Alkalinity | 90.00 | mg/l |
| Total Dissolved Solids(TDS) | 60.00 | mg/l |
| Total Fixed Solids(TFS) | 188.00 | mg/l |
| Total Hardness as CaCo3 | 118.00 | mg/l |
| Total Suspended Solids(TSS) | 112.00 | mg/l |
| Turbidity | 5.56 | NTU |