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: 20/01/2021 | Sample Time: 12:00 | |
| 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 |
| Fecal Coliform | 70 | MPN/100ml |
| Sulphate | 4.71 | mg/l |
| Total Dissolved Solids(TDS) | 8.00 | mg/l |
| Ammonia-N | BDL | mg/l |
| BOD | 0.50 | mg/l |
| Conductivity | 18.00 | µs/cm |
| Dissolved O2(DO) | 7.40 | mg/l |
| pH | 6.90 | Unit |
| Temperature(Water) | 7 | ⁰C |
| Total Coliform | 210 | MPN/100ml |
| Boron | 0.44 | mg/l |
| Calcium | 11.22 | mg/l |
| Chloride | 0.97 | mg/l |
| COD | 12.00 | mg/l |
| Fluoride | BDL | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.004 | mg/l |
| Potassium | BDL | mg/l |
| Sodium | BDL | mg/l |
| Total Alkalinity | 48.00 | mg/l |
| Total Fixed Solids(TFS) | 14.00 | mg/l |
| Total Suspended Solids(TSS) | 22.00 | mg/l |
| Turbidity | 3.22 | NTU |
| Nitrate-N | 0.052 | mg/l |
| Magnesium | 2.30 | mg/l |
| Total Hardness as CaCo3 | 36.00 | mg/l |