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: 11/09/2019 | Sample Time: 13:15 | |
| Human Activities: Bathing washing | Weather: Cloudy | Water Body: Rabindra Sarabar |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 2.00 m |
| Color & Intensity: Clear | Odour: Odour free | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| pH | 8.76 | Unit |
| Magnesium | 11.01 | mg/l |
| Potassium | 6.64 | mg/l |
| Sodium | 30.96 | mg/l |
| Sulphate | 16.23 | mg/l |
| Total Alkalinity | 144.90 | mg/l |
| Total Dissolved Solids(TDS) | 250.00 | mg/l |
| Total Fixed Solids(TFS) | 182.00 | mg/l |
| Total Hardness as CaCo3 | 109.80 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 24.00 | mg/l |
| Turbidity | 5.48 | NTU |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 1.23 | mg/l |
| Fluoride | 0.32 | mg/l |
| COD | 21.0 | mg/l |
| Nitrate-N | 1.11 | mg/l |
| Dissolved O2(DO) | 7.00 | mg/l |
| Fecal Coliform | 400 | MPN/100ml |
| Temperature | 31.0 | ⁰C |
| Total Coliform | 1400 | MPN/100ml |
| Conductivity | 354.00 | µs/cm |
| Boron | BDL | mg/l |
| Calcium | 25.10 | mg/l |
| Chloride | 38.28 | mg/l |
| Ammonia-N | 0.34 | mg/l |
| BOD | 1.00 | mg/l |