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: 06/08/2021 | Sample Time: 12:15 | |
| Human Activities: Boating | 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 |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | 0.24 | mg/l |
| BOD | 1.80 | mg/l |
| Conductivity | 303.73 | µs/cm |
| Dissolved O2(DO) | 5.20 | mg/l |
| Fecal Coliform | 680 | MPN/100ml |
| Nitrate-N | 1.11 | mg/l |
| pH | 7.43 | Unit |
| Temperature(Water) | 23.0 | ⁰C |
| Total Coliform | 1700 | MPN/100ml |
| Boron | BDL | mg/l |
| Calcium | 12.00 | mg/l |
| Chloride | 43.98 | mg/l |
| COD | 25.00 | mg/l |
| Fluoride | 0.31 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.20 | mg/l |
| Potassium | 7.13 | mg/l |
| Sodium | 19.16 | mg/l |
| Sulphate | 29.64 | mg/l |
| Total Alkalinity | 110.00 | mg/l |
| Total Dissolved Solids(TDS) | 212.00 | mg/l |
| Total Fixed Solids(TFS) | 98.00 | mg/l |
| Magnesium | 7.29 | mg/l |
| Total Hardness as CaCo3 | 60.00 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 64.00 | mg/l |
| Turbidity | 6.02 | NTU |