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: 26/02/2020 | Sample Time: 10:30 Hrs | |
| Human Activities: None | Weather: Cloudy and Foggy | 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 |
| Total Suspended Solids(TSS) | 3.00 | mg/l |
| Fecal Coliform | 80 | MPN/100ml |
| Nitrate-N | 0.65 | mg/l |
| Dissolved O2(DO) | 8.60 | mg/l |
| pH | 7.49 | Unit |
| Temperature | 3 | ⁰C |
| Total Coliform | 220 | MPN/100ml |
| Boron | 4.55 | mg/l |
| Calcium | 3.21 | mg/l |
| Chloride | 1.95 | mg/l |
| COD | 11.00 | mg/l |
| Fluoride | BDL | mg/l |
| Magnesium | 2.88 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.002 | mg/l |
| Potassium | BDL | mg/l |
| Conductivity | 18.46 | µs/cm |
| BOD | 1.00 | mg/l |
| Sodium | 3.00 | mg/l |
| Sulphate | 1.16 | mg/l |
| Total Alkalinity | 14.00 | mg/l |
| Total Dissolved Solids(TDS) | 82.00 | mg/l |
| Total Fixed Solids(TFS) | 48.00 | mg/l |
| Total Hardness as CaCo3 | 20.00 | mg/l |
| Turbidity | 2.13 | NTU |