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: 06/03/2019 | Sample Time: 13:00 | |
| Human Activities: Nil | Weather: Cloudy | Water Body: Rabindra Sarabar |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Light green | Odour: Odour free | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | 0.31 | mg/l |
| BOD | 4.60 | mg/l |
| Conductivity | 413.6 | µs/cm |
| Dissolved O2(DO) | 8.8 | mg/l |
| Fecal Coliform | 400 | MPN/100ml |
| Nitrate-N | 0.26 | mg/l |
| pH | 8.85 | Unit |
| Temperature | 28 | ⁰C |
| Total Coliform | 1400 | MPN/100ml |
| Boron | BDL | mg/l |
| Calcium | 15.69 | mg/l |
| Chloride | 37.99 | mg/l |
| COD | 24.99 | mg/l |
| Fluoride | 0.31 | mg/l |
| Magnesium | 10.96 | mg/l |
| Phenolpthalein Alkanity | 0.0 | mg/l |
| Phosphate-P | 0.20 | mg/l |
| Potassium | 7.18 | mg/l |
| Sodium | 53.90 | mg/l |
| Sulphate | 38.76 | mg/l |
| Total Alkalinity | 136.0 | mg/l |
| Total Dissolved Solids(TDS) | 226.0 | mg/l |
| Total Hardness as CaCo3 | 84.31 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 8.0 | mg/l |
| Turbidity | 3.41 | NTU |
| Total Fixed Solids(TFS) | 220.0 | mg/l |