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: 13/05/2019 | Sample Time: 15:20 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 & Clear | Odour: None | Visible effluent discharge: none |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| COD | 14.00 | mg/l |
| Fluoride | BDL | mg/l |
| Magnesium | 0.58 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.008 | mg/l |
| BOD | 2.00 | mg/l |
| Conductivity | 21.19 | µs/cm |
| Dissolved O2(DO) | 6.90 | mg/l |
| Fecal Coliform | 90 | MPN/100ml |
| Nitrate-N | 0.55 | mg/l |
| pH | 7.80 | Unit |
| Temperature | 5 | ⁰C |
| Total Coliform | 140 | MPN/100ml |
| Boron | 0.003 | mg/l |
| Calcium | 3.26 | mg/l |
| Chloride | 8.81 | mg/l |
| Sodium | 0.60 | mg/l |
| Sulphate | 2.42 | mg/l |
| Total Alkalinity | 66.00 | mg/l |
| Total Dissolved Solids(TDS) | 14.00 | mg/l |
| Total Fixed Solids(TFS) | <4.0 | mg/l |
| Total Hardness as CaCo3 | 10.0 | mg/l |
| Total Suspended Solids(TSS) | 10.00 | mg/l |
| Turbidity | 2.78 | NTU |
| Ammonia-N | 0.21 | mg/l |
| Potassium | BDL | mg/l |