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: 10/02/2020 | Sample Time: 12:27 | |
| Human Activities: Bathing & washing | 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 |
| Total Dissolved Solids(TDS) | 96.00 | mg/l |
| Total Fixed Solids(TFS) | 92.00 | mg/l |
| Total Hardness as CaCo3 | 80.00 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 20.00 | mg/l |
| Turbidity | 6.63 | NTU |
| Ammonia-N | 0.21 | mg/l |
| BOD | 3.30 | mg/l |
| Fecal Coliform | 500 | MPN/100ml |
| Nitrate-N | 3.08 | mg/l |
| pH | 7.78 | Unit |
| Temperature | 21.0 | ⁰C |
| Conductivity | 476.00 | µs/cm |
| Dissolved O2(DO) | 9.70 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.20 | mg/l |
| Chloride | 32.75 | mg/l |
| COD | 17.00 | mg/l |
| Fluoride | 0.32 | mg/l |
| Magnesium | 8.26 | mg/l |
| Total Coliform | 2100 | MPN/100ml |
| Boron | BDL | mg/l |
| Calcium | 18.40 | mg/l |
| Potassium | 4.28 | mg/l |
| Sodium | 43.23 | mg/l |
| Sulphate | 26.01 | mg/l |
| Total Alkalinity | 84.00 | mg/l |