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: 18/05/2020 | Sample Time: 13:05 | |
| 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: Clear | Odour: Odour free | Visible effluent discharge: None, Water Hyacinth |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| BOD | 3.45 | mg/l |
| Dissolved O2(DO) | 10.30 | mg/l |
| Total Alkalinity | 84.00 | mg/l |
| Total Dissolved Solids(TDS) | 256.00 | mg/l |
| Nitrate-N | 1.37 | mg/l |
| Temperature(Water) | 36.0 | ⁰C |
| pH | 8.05 | Unit |
| Total Coliform | 1300 | MPN/100ml |
| Conductivity | 810.00 | µs/cm |
| Fecal Coliform | 800 | MPN/100ml |
| Fluoride | 0.22 | mg/l |
| Magnesium | 9.05 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.12 | mg/l |
| Potassium | 5.76 | mg/l |
| Sodium | 25.25 | mg/l |
| Sulphate | 12.59 | mg/l |
| Boron | BDL | mg/l |
| Calcium | 17.26 | mg/l |
| Chloride | 46.65 | mg/l |
| COD | 23.24 | mg/l |
| Total Fixed Solids(TFS) | 178.00 | mg/l |
| Total Hardness as CaCo3 | 80.39 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 24.00 | mg/l |
| Turbidity | 10.00 | NTU |
| Ammonia-N | 0.21 | mg/l |