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: 03/02/2022 | Sample Time: 10:30 | |
| 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: Odour free | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | BDL | mg/l |
| Nitrate-N | 0.52 | mg/l |
| pH | 7.02 | Unit |
| Temperature(Water) | 2 | ⁰C |
| Total Coliform | 1600 | MPN/100ml |
| Boron | 0.42 | mg/l |
| Calcium | 12.82 | mg/l |
| Chloride | 5.87 | mg/l |
| Fluoride | BDL | mg/l |
| Magnesium | 4.03 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.005 | mg/l |
| Potassium | 0.20 | mg/l |
| Sodium | 1.10 | mg/l |
| Sulphate | 1.42 | mg/l |
| Total Alkalinity | 20.00 | mg/l |
| Total Dissolved Solids(TDS) | 10.00 | mg/l |
| Total Fixed Solids(TFS) | 18.00 | mg/l |
| Total Hardness as CaCo3 | 46.00 | mg/l |
| Total Suspended Solids(TSS) | 6.00 | mg/l |
| Turbidity | 2.49 | NTU |
| BOD | 1.20 | mg/l |
| Conductivity | 14.14 | µs/cm |
| Dissolved O2(DO) | 8.50 | mg/l |
| Fecal Coliform | 140 | MPN/100ml |
| COD | 28.00 | mg/l |