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: 28/05/2020 | Sample Time: 14:50 Hrs | |
| Human Activities: None | Weather: Sunny | Water Body: Coochbihar lake |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Dark Green and Moderately Turbid | Odour: Fishy | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Fluoride | mg/l | |
| Magnesium | 2.88 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.016 | mg/l |
| Potassium | BDL | mg/l |
| Sodium | 2.00 | mg/l |
| Sulphate | 14.37 | mg/l |
| Total Alkalinity | 48.00 | mg/l |
| Total Dissolved Solids(TDS) | 84.00 | mg/l |
| Fecal Coliform | 2700 | MPN/100ml |
| Nitrate-N | mg/l | |
| pH | 7.23 | Unit |
| Temperature(Water) | 25 | ⁰C |
| Total Coliform | 9000 | MPN/100ml |
| Boron | 0.56 | mg/l |
| Calcium | 9.61 | mg/l |
| Chloride | 11.74 | mg/l |
| COD | 30.00 | mg/l |
| Total Fixed Solids(TFS) | mg/l | |
| Total Hardness as CaCo3 | 34.00 | mg/l |
| Total Suspended Solids(TSS) | 56.00 | mg/l |
| Turbidity | NTU | |
| Conductivity | 42.62 | µs/cm |
| Dissolved O2(DO) | 7.10 | mg/l |
| Ammonia-N | mg/l | |
| BOD | 1.80 | mg/l |