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: 01/06/2020 | Sample Time: 10:20 | |
| Human Activities: Nil | Weather: Sunny | Water Body: Rabindra Sarabar |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.50 m |
| Color & Intensity: Light green, floating algea | Odour: Odour free | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Calcium | 20.39 | mg/l |
| Fluoride | 0.33 | mg/l |
| Magnesium | 8.10 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.14 | mg/l |
| Potassium | 2.02 | mg/l |
| Sodium | 27.53 | mg/l |
| Total Alkalinity | 94.00 | mg/l |
| Total Dissolved Solids(TDS) | 172.00 | mg/l |
| Total Fixed Solids(TFS) | 206.00 | mg/l |
| Total Hardness as CaCo3 | 84.31 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 8.00 | mg/l |
| Turbidity | 7.09 | NTU |
| Ammonia-N | BDL | mg/l |
| BOD | 4.60 | mg/l |
| Conductivity | 750.00 | µs/cm |
| Dissolved O2(DO) | 10.40 | mg/l |
| Fecal Coliform | 800 | MPN/100ml |
| Nitrate-N | 1.38 | mg/l |
| Total Coliform | 1300 | MPN/100ml |
| Boron | BDL | mg/l |
| pH | 8.52 | Unit |
| Chloride | 57.98 | mg/l |
| COD | 19.00 | mg/l |
| Temperature(Water) | 31.0 | ⁰C |
| Sulphate | 29.54 | mg/l |