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: 11/03/2020 | Sample Time: 12:45 | |
| Human Activities: Bathing & washing | Weather: Sunny | Water Body: Rabindra Sarabar |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 2.00 m |
| Color & Intensity: Light green, floating algea | Odour: Odour free | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| COD | 18.08 | mg/l |
| Fluoride | 0.34 | mg/l |
| Total Alkalinity | 100.00 | mg/l |
| Total Dissolved Solids(TDS) | 254.00 | mg/l |
| Total Fixed Solids(TFS) | 198.00 | mg/l |
| Total Hardness as CaCo3 | 69.36 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Turbidity | 8.30 | NTU |
| Dissolved O2(DO) | 9.70 | mg/l |
| Fecal Coliform | 500 | MPN/100ml |
| Nitrate-N | 3.54 | mg/l |
| pH | 8.30 | Unit |
| Temperature | 29.0 | ⁰C |
| Total Coliform | 2400 | MPN/100ml |
| Boron | BDL | mg/l |
| Calcium | 14.69 | mg/l |
| Chloride | 34.98 | mg/l |
| Total Suspended Solids(TSS) | 14.00 | mg/l |
| Ammonia-N | 0.37 | mg/l |
| BOD | 2.80 | mg/l |
| Potassium | 8.24 | mg/l |
| Conductivity | 987.30 | µs/cm |
| Sulphate | 20.00 | mg/l |
| Magnesium | 7.93 | mg/l |
| Phenolpthalein Alkanity | 12.00 | mg/l |
| Sodium | 36.76 | mg/l |
| Phosphate-P | 0.10 | mg/l |