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: 15/02/2019 | Sample Time: 15:00 | |
| Human Activities: Bathing | Weather: Clear | Water Body: Coochbihar lake |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Moderate Turbid Green | Odour: Fishy | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Sodium | 6.62 | mg/l |
| Sulphate | 0.98 | mg/l |
| Total Alkalinity | 44.00 | mg/l |
| Total Dissolved Solids(TDS) | 86.00 | mg/l |
| Total Fixed Solids(TFS) | 54.0 | mg/l |
| Temperature | 23 | ⁰C |
| Total Coliform | 28000 | MPN/100ml |
| Boron | 0.004 | mg/l |
| Calcium | 12.00 | mg/l |
| Chloride | 25.44 | mg/l |
| Total Hardness as CaCo3 | 34.00 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 54.00 | mg/l |
| Turbidity | 7.62 | NTU |
| Ammonia-N | 0.19 | mg/l |
| BOD | 1.60 | mg/l |
| Conductivity | 64.30 | µs/cm |
| Dissolved O2(DO) | 8.00 | mg/l |
| Fecal Coliform | 5000 | MPN/100ml |
| Nitrate-N | 0.06 | mg/l |
| pH | 6.98 | Unit |
| COD | 34.00 | mg/l |
| Fluoride | 0.13 | mg/l |
| Magnesium | 1.15 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.004 | mg/l |
| Potassium | BDL | mg/l |