West Bengal Pollution Control Board |
Siliguri Laboratory |
Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428. |
| Station: KOCHBIHAR LAKE (SAGAR DIGHI) | River Basin: Raidak_Torsa | CPCB Station Code: 2519 |
| Sample Date: 15/06/2020 | Sample Time: 14:15 | |
| Human Activities: None | Weather: Cloudy and Hot. | Water Body: Coochbihar lake |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Clear Green | Odour: Odour Free | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Boron | 0.08 | mg/l |
| Calcium | 12.02 | mg/l |
| Chloride | 14.67 | mg/l |
| BOD | 1.40 | mg/l |
| Ammonia-N | mg/l | |
| Conductivity | 86.00 | µs/cm |
| COD | 29.00 | mg/l |
| Potassium | 0.30 | mg/l |
| Sodium | 2.20 | mg/l |
| Sulphate | 8.62 | mg/l |
| Total Alkalinity | 48.00 | mg/l |
| Total Dissolved Solids(TDS) | 70.00 | mg/l |
| Total Fixed Solids(TFS) | mg/l | |
| Total Hardness as CaCo3 | 48.00 | mg/l |
| Total Suspended Solids(TSS) | 58.00 | mg/l |
| Turbidity | NTU | |
| Phosphate-P | 0.149 | mg/l |
| Dissolved O2(DO) | 7.10 | mg/l |
| Fecal Coliform | 2200 | MPN/100ml |
| Fluoride | mg/l | |
| Nitrate-N | mg/l | |
| Magnesium | 5.18 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| pH | 7.80 | Unit |
| Temperature(Water) | 29 | ⁰C |
| Total Coliform | 8000 | MPN/100ml |