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: 02/05/2022 | Sample Time: 12:10 | |
| Human Activities: None | Weather: Sunny | 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 |
| BOD | 4.30 | mg/l |
| Conductivity | 324.80 | µs/cm |
| Dissolved O2(DO) | 7.80 | mg/l |
| Fecal Coliform | 680 | MPN/100ml |
| Nitrate-N | 0.31 | mg/l |
| pH | 8.13 | Unit |
| Temperature(Water) | 31.0 | ⁰C |
| Total Coliform | 1300 | MPN/100ml |
| Boron | BDL | mg/l |
| Calcium | 18.40 | mg/l |
| Chloride | 33.27 | mg/l |
| COD | 23.00 | mg/l |
| Fluoride | 0.17 | mg/l |
| Magnesium | 10.69 | mg/l |
| Phenolpthalein Alkanity | 4.00 | mg/l |
| Phosphate-P | 0.09 | mg/l |
| Potassium | 8.10 | mg/l |
| Sodium | 42.00 | mg/l |
| Sulphate | 35.50 | mg/l |
| Total Alkalinity | 100.00 | mg/l |
| Total Dissolved Solids(TDS) | 110.00 | mg/l |
| Total Fixed Solids(TFS) | 94.00 | mg/l |
| Total Hardness as CaCo3 | 90.00 | mg/l |
| Total Suspended Solids(TSS) | 42.00 | mg/l |
| Turbidity | 5.01 | NTU |
| Ammonia-N | 0.14 | mg/l |