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: 09/01/2020 | Sample Time: 12:18 | |
| Human Activities: none | Weather: Cloudy | Water Body: Rabindra Sarabar |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.50 m |
| Color & Intensity: Light green with water hyacinth | Odour: Odour free | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| pH | 8.10 | Unit |
| Potassium | 5.59 | mg/l |
| Total Fixed Solids(TFS) | 204.00 | mg/l |
| Temperature | 20.0 | ⁰C |
| Dissolved O2(DO) | 9.70 | mg/l |
| Nitrate-N | 1.70 | mg/l |
| Total Dissolved Solids(TDS) | 148.00 | mg/l |
| Fecal Coliform | 800 | MPN/100ml |
| Total Hardness as CaCo3 | 64.71 | mg/l |
| COD | 16.00 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Fluoride | 0.31 | mg/l |
| Sodium | 39.45 | mg/l |
| Boron | BDL | mg/l |
| Ammonia-N | BDL | mg/l |
| Total Suspended Solids(TSS) | 8.00 | mg/l |
| Magnesium | 7.15 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Sulphate | 26.15 | mg/l |
| Total Alkalinity | 84.00 | mg/l |
| Turbidity | 3.21 | NTU |
| Conductivity | 357.20 | µs/cm |
| Chloride | 39.98 | mg/l |
| BOD | 3.80 | mg/l |
| Calcium | 14.12 | mg/l |
| Total Coliform | 1300 | MPN/100ml |
| Phosphate-P | 0.03 | mg/l |