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: 16/08/2019 | Sample Time: 14:40 | |
| Human Activities: None | Weather: Cloudy | 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: Odour free | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | 0.18 | mg/l |
| BOD | 0.80 | mg/l |
| Conductivity | 43.83 | µs/cm |
| Dissolved O2(DO) | 7.60 | mg/l |
| Fecal Coliform | 90 | MPN/100ml |
| Nitrate-N | 0.86 | mg/l |
| pH | 7.87 | Unit |
| Temperature | 15 | ⁰C |
| Boron | 0.005 | mg/l |
| Sulphate | 2.53 | mg/l |
| Calcium | 5.61 | mg/l |
| Chloride | 3.30 | mg/l |
| COD | 5.53 | mg/l |
| Fluoride | BDL | mg/l |
| Magnesium | 0.84 | mg/l |
| Potassium | BDL | mg/l |
| Sodium | 0.60 | mg/l |
| Total Alkalinity | 30.0 | mg/l |
| Total Dissolved Solids(TDS) | 20.0 | mg/l |
| Total Fixed Solids(TFS) | 22.00 | mg/l |
| Total Hardness as CaCo3 | 10.0 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 12.0 | mg/l |
| Turbidity | 1.98 | NTU |
| Phenolpthalein Alkanity | NIL | mg/l |
| Total Coliform | 170 | MPN/100ml |
| Phosphate-P | 0.002 | mg/l |