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: 07/10/2020 | Sample Time: 12:00 | |
| Human Activities: none | Weather: Cloudy | 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 |
| BOD | 2.70 | mg/l |
| Fecal Coliform | 700 | MPN/100ml |
| pH | 7.41 | Unit |
| Temperature(Water) | 28.0 | ⁰C |
| Total Coliform | 1700 | MPN/100ml |
| Boron | BDL | mg/l |
| Calcium | 15.69 | mg/l |
| Chloride | 36.99 | mg/l |
| COD | 18.00 | mg/l |
| Fluoride | 0.20 | mg/l |
| Magnesium | 9.05 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.17 | mg/l |
| Potassium | 4.57 | mg/l |
| Sodium | 18.60 | mg/l |
| Sulphate | 16.77 | mg/l |
| Total Alkalinity | 90.00 | mg/l |
| Total Dissolved Solids(TDS) | 148.00 | mg/l |
| Total Fixed Solids(TFS) | 214.00 | mg/l |
| Total Hardness as CaCo3 | 76.47 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 12.00 | mg/l |
| Turbidity | 5.04 | NTU |
| Ammonia-N | 0.18 | mg/l |
| Conductivity | 327.90 | µs/cm |
| Dissolved O2(DO) | 6.70 | mg/l |
| Nitrate-N | 0.99 | mg/l |