West Bengal Pollution Control Board |
Siliguri Laboratory |
Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428. |
| Station: SINCHAL LAKE FOR DARJEELING | River Basin: Tista | CPCB Station Code: 2522 |
| Sample Date: 25/01/2022 | Sample Time: 12:10 | |
| Human Activities: None | Weather: Cloudy. | Water Body: Sinchal lake |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Light Green and clear | Odour: None | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Nitrate-N | 0.02 | mg/l |
| BOD | 0.50 | mg/l |
| pH | 7.15 | Unit |
| Temperature(Water) | 2 | ⁰C |
| Total Coliform | 110 | MPN/100ml |
| Boron | BDL | mg/l |
| Calcium | 3.20 | mg/l |
| Chloride | 2.93 | mg/l |
| COD | 8.00 | mg/l |
| Fluoride | BDL | mg/l |
| Magnesium | 1.73 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.002 | mg/l |
| Potassium | 0.10 | mg/l |
| Sodium | 0.60 | mg/l |
| Sulphate | 1.31 | mg/l |
| Total Alkalinity | 62.00 | mg/l |
| Total Dissolved Solids(TDS) | 14.00 | mg/l |
| Total Fixed Solids(TFS) | 82.00 | mg/l |
| Total Hardness as CaCo3 | 14 | mg/l |
| Total Suspended Solids(TSS) | 10.00 | mg/l |
| Turbidity | 0.43 | NTU |
| Ammonia-N | BDL | mg/l |
| Conductivity | 24.48 | µs/cm |
| Dissolved O2(DO) | 8.10 | mg/l |
| Fecal Coliform | 70 | MPN/100ml |