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: 01/12/2020 | Sample Time: 12:30 | |
| Human Activities: none | Weather: Sunny clear | Water Body: Rabindra Sarabar |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.50 m |
| Color & Intensity: Clear | Odour: Odour free | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Dissolved O2(DO) | 7.80 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Total Hardness as CaCo3 | 68.63 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 28.00 | mg/l |
| Sulphate | 20.91 | mg/l |
| pH | 8.21 | Unit |
| BOD | 3.95 | mg/l |
| Calcium | 10.98 | mg/l |
| Chloride | 63.98 | mg/l |
| Magnesium | 10.00 | mg/l |
| Ammonia-N | 0.12 | mg/l |
| Total Dissolved Solids(TDS) | 116.00 | mg/l |
| Phosphate-P | 0.22 | mg/l |
| COD | 17.00 | mg/l |
| Potassium | 8.39 | mg/l |
| Sodium | 20.57 | mg/l |
| Total Alkalinity | 156.00 | mg/l |
| Fluoride | 0.25 | mg/l |
| Fecal Coliform | 490 | MPN/100ml |
| Nitrate-N | 2.05 | mg/l |
| Temperature(Water) | 19.0 | ⁰C |
| Total Coliform | 1700 | MPN/100ml |
| Boron | BDL | mg/l |
| Conductivity | 299.30 | µs/cm |
| Turbidity | 7.70 | NTU |
| Total Fixed Solids(TFS) | 146.00 | mg/l |