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: 27/05/2020 | Sample Time: 11:00 Hrs | |
| Human Activities: None | Weather: Rainy | 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 |
| Conductivity | 18.42 | µs/cm |
| Calcium | 4.80 | mg/l |
| COD | 10.00 | mg/l |
| Dissolved O2(DO) | 7.50 | mg/l |
| Boron | 0.30 | mg/l |
| BOD | 0.80 | mg/l |
| Chloride | 7.83 | mg/l |
| Ammonia-N | mg/l | |
| pH | 7.11 | Unit |
| Temperature(Water) | 12 | ⁰C |
| Total Alkalinity | 24.00 | mg/l |
| Total Dissolved Solids(TDS) | 17.00 | mg/l |
| Total Fixed Solids(TFS) | mg/l | |
| Total Hardness as CaCo3 | 16.0 | mg/l |
| Fluoride | mg/l | |
| Total Suspended Solids(TSS) | 10.00 | mg/l |
| Turbidity | NTU | |
| Magnesium | 1.15 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.007 | mg/l |
| Potassium | BDL | mg/l |
| Sodium | 0.80 | mg/l |
| Sulphate | 2.02 | mg/l |
| Total Coliform | 140 | MPN/100ml |
| Nitrate-N | mg/l | |
| Fecal Coliform | 80 | MPN/100ml |