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: 27/05/2022 | Sample Time: 11:50 | |
| Human Activities: None | Weather: Cloudy,Foggy and 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 |
| Ammonia-N | BDL | mg/l |
| BOD | 0.80 | mg/l |
| Conductivity | 40.04 | µs/cm |
| Dissolved O2(DO) | 7.50 | mg/l |
| Fecal Coliform | 20 | MPN/100ml |
| Nitrate-N | 1.13 | mg/l |
| pH | 7.83 | Unit |
| Temperature(Water) | 14 | ⁰C |
| Total Coliform | 60 | MPN/100ml |
| Boron | 5.01 | mg/l |
| Calcium | 2.40 | mg/l |
| Chloride | 1.95 | mg/l |
| COD | 8.00 | mg/l |
| Fluoride | 0.29 | mg/l |
| Magnesium | 0.48 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.008 | mg/l |
| Potassium | 0.90 | mg/l |
| Sodium | 3.10 | mg/l |
| Sulphate | 7.12 | mg/l |
| Total Alkalinity | 22.00 | mg/l |
| Total Dissolved Solids(TDS) | 20.00 | mg/l |
| Total Fixed Solids(TFS) | 20.00 | mg/l |
| Total Hardness as CaCo3 | 8.00 | mg/l |
| Total Suspended Solids(TSS) | 3.00 | mg/l |
| Turbidity | 4.05 | NTU |