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: 11/07/2019 | Sample Time: 14:00 | |
| Human Activities: Fisfing | 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: Fishy | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Phenolpthalein Alkanity | NIL | mg/l |
| Sodium | 22.65 | mg/l |
| Sulphate | 19.40 | mg/l |
| Phosphate-P | 0.09 | mg/l |
| Fecal Coliform | 780 | MPN/100ml |
| Nitrate-N | 0.02 | mg/l |
| Chloride | 38.98 | mg/l |
| pH | 7.67 | Unit |
| Total Hardness as CaCo3 | 71.15 | mg/l |
| Temperature | 31.0 | ⁰C |
| Potassium | 7.86 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Fluoride | 0.33 | mg/l |
| Total Coliform | 2300 | MPN/100ml |
| Ammonia-N | 0.24 | mg/l |
| Total Suspended Solids(TSS) | 34.00 | mg/l |
| BOD | 2.60 | mg/l |
| Conductivity | 435.50 | µs/cm |
| Calcium | 15.38 | mg/l |
| Total Alkalinity | 90.00 | mg/l |
| Dissolved O2(DO) | 8.20 | mg/l |
| Boron | BDL | mg/l |
| COD | 15.53 | mg/l |
| Turbidity | 8.02 | NTU |
| Total Dissolved Solids(TDS) | 175.00 | mg/l |
| Total Fixed Solids(TFS) | 128.00 | mg/l |
| Magnesium | 7.94 | mg/l |