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: 07/06/2019 | Sample Time: 15:00 | |
| Human Activities: None | Weather: Cloudy and Rainy | Water Body: Sinchal lake |
| Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Clear and Light Green | Odour: Odour free | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Total Dissolved Solids(TDS) | 43.00 | mg/l |
| Fluoride | BDL | mg/l |
| Magnesium | 0.57 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Total Hardness as CaCo3 | 10.00 | mg/l |
| Total Suspended Solids(TSS) | 46.00 | mg/l |
| Turbidity | 4.15 | NTU |
| COD | 12.60 | mg/l |
| Ammonia-N | BDL | mg/l |
| Boron | 0.007 | mg/l |
| Calcium | 4.81 | mg/l |
| Chloride | 9.78 | mg/l |
| Nitrate-N | 0.07 | mg/l |
| Temperature | 14 | ⁰C |
| Total Coliform | 280 | MPN/100ml |
| pH | 7.87 | Unit |
| Sodium | 0.70 | mg/l |
| Phosphate-P | 0.048 | mg/l |
| Potassium | 0.40 | mg/l |
| Dissolved O2(DO) | 7.50 | mg/l |
| Fecal Coliform | 90 | MPN/100ml |
| BOD | 1.20 | mg/l |
| Conductivity | 15.73 | µs/cm |
| Total Fixed Solids(TFS) | 21.00 | mg/l |
| Sulphate | 2.71 | mg/l |
| Total Alkalinity | 58.00 | mg/l |