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: 02/06/2022 | Sample Time: 11:50 | |
| Human Activities: None | Weather: Cloudy | Water Body: Rabindra Sarabar |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 2.00 m |
| Color & Intensity: Clear | Odour: Odour free | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| BOD | 3.50 | mg/l |
| Conductivity | 334.00 | µs/cm |
| Dissolved O2(DO) | 6.90 | mg/l |
| Fecal Coliform | 680 | MPN/100ml |
| Nitrate-N | 0.13 | mg/l |
| pH | 7.44 | Unit |
| Temperature(Water) | 30.0 | ⁰C |
| Total Coliform | 2200 | MPN/100ml |
| Boron | BDL | mg/l |
| Calcium | 16.00 | mg/l |
| Chloride | 31.99 | mg/l |
| COD | 23.00 | mg/l |
| Fluoride | 0.18 | mg/l |
| Magnesium | 9.72 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.23 | mg/l |
| Potassium | 7.70 | mg/l |
| Sodium | 44.00 | mg/l |
| Sulphate | 73.37 | mg/l |
| Total Alkalinity | 100.00 | mg/l |
| Total Dissolved Solids(TDS) | 308.00 | mg/l |
| Total Fixed Solids(TFS) | 260.00 | mg/l |
| Total Hardness as CaCo3 | 80.00 | mg/l |
| Total Suspended Solids(TSS) | 18.00 | mg/l |
| Turbidity | 4.86 | NTU |
| Ammonia-N | 0.14 | mg/l |