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: 08/05/2019 | Sample Time: 11:50 | |
| 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: Mod green | Odour: Nil | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | 0.04 | mg/l |
| BOD | 1.70 | mg/l |
| Conductivity | 357.7 | µs/cm |
| Dissolved O2(DO) | 8.6 | mg/l |
| Fecal Coliform | 400 | MPN/100ml |
| Nitrate-N | 0.56 | mg/l |
| pH | 7.83 | Unit |
| Temperature | 33 | ⁰C |
| Phenolpthalein Alkanity | 0 | mg/l |
| Phosphate-P | 0.04 | mg/l |
| Total Suspended Solids(TSS) | 616.0 | mg/l |
| Turbidity | 270.0 | NTU |
| Total Coliform | 800 | MPN/100ml |
| Boron | BDL | mg/l |
| Calcium | 16.60 | mg/l |
| Potassium | 8.72 | mg/l |
| Sodium | 54.42 | mg/l |
| Sulphate | 24.50 | mg/l |
| Total Alkalinity | 92.0 | mg/l |
| Total Dissolved Solids(TDS) | 202.0 | mg/l |
| Total Fixed Solids(TFS) | 198.0 | mg/l |
| Total Hardness as CaCo3 | 81.13 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Chloride | 43.99 | mg/l |
| COD | 22.12 | mg/l |
| Fluoride | 0.36 | mg/l |
| Magnesium | 9.63 | mg/l |