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: 02/02/2021 | Sample Time: 15:00 Hrs | |
| Human Activities: Bathing. | Weather: sunny | Water Body: Coochbihar lake |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 0.00 m |
| Color & Intensity: light Green and Turbid | Odour: Fishy | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | 0.47 | mg/l |
| BOD | 0.80 | mg/l |
| Conductivity | 60.14 | µs/cm |
| Dissolved O2(DO) | 6.80 | mg/l |
| Nitrate-N | 0.12 | mg/l |
| pH | 6.94 | Unit |
| Temperature(Water) | 22 | ⁰C |
| Boron | 0.44 | mg/l |
| Calcium | 8.82 | mg/l |
| Chloride | 4.89 | mg/l |
| Fluoride | BDL | mg/l |
| Magnesium | 4.032 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.003 | mg/l |
| Sodium | 1.10 | mg/l |
| Sulphate | 4.89 | mg/l |
| Total Fixed Solids(TFS) | 206.00 | mg/l |
| Total Hardness as CaCo3 | 36.00 | mg/l |
| Total Suspended Solids(TSS) | 38.00 | mg/l |
| Fecal Coliform | 2700 | MPN/100ml |
| Total Coliform | 8000 | MPN/100ml |
| COD | 26.00 | mg/l |
| Potassium | 0.30 | mg/l |
| Total Dissolved Solids(TDS) | 40.00 | mg/l |
| Turbidity | NTU | |
| Total Alkalinity | 40.00 | mg/l |