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: 10/08/2020 | Sample Time: 11;20 Hrs | |
| 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 |
| Fluoride | 0.16 | mg/l |
| Conductivity | 18.15 | µs/cm |
| Nitrate-N | 0.45 | mg/l |
| pH | 6.90 | Unit |
| Temperature(Water) | 12 | ⁰C |
| Total Coliform | 170 | MPN/100ml |
| Boron | 0.48 | mg/l |
| Calcium | 2.40 | mg/l |
| Chloride | 7.83 | mg/l |
| COD | 11.00 | mg/l |
| Magnesium | 1.152 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.038 | mg/l |
| Potassium | 4.20 | mg/l |
| Sodium | BDL | mg/l |
| Sulphate | 74.95 | mg/l |
| Total Alkalinity | 20.0 | mg/l |
| Total Dissolved Solids(TDS) | 25.0 | mg/l |
| Total Hardness as CaCo3 | 10.0 | mg/l |
| Total Suspended Solids(TSS) | 24.00 | mg/l |
| Turbidity | 3.67 | NTU |
| Ammonia-N | 0.14 | mg/l |
| Fecal Coliform | 70 | MPN/100ml |
| Dissolved O2(DO) | 7.80 | mg/l |
| Total Fixed Solids(TFS) | 16.00 | mg/l |
| BOD | 0.50 | mg/l |