West Bengal Pollution Control Board |
Siliguri Laboratory |
Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428. |
| Station: Jorepokhari lake at Sukhiapokhari | River Basin: GANGA | CPCB Station Code: 4729 |
| Sample Date: 22/07/2022 | Sample Time: 13.20 | |
| Human Activities: None | Weather: Cloudy | Water Body: Lake |
| Frequency Of Monitoring: Monthly | Use Based Class: A | 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 | BDL | mg/l |
| BOD | 1.40 | mg/l |
| Conductivity | 40.30 | µs/cm |
| Dissolved O2(DO) | 7.00 | mg/l |
| Fecal Coliform | 60 | MPN/100ml |
| Nitrate-N | 0.02 | mg/l |
| pH | 7.89 | Unit |
| Temperature(Water) | 14 | ⁰C |
| Total Coliform | 140 | MPN/100ml |
| Boron | 1.02 | mg/l |
| Calcium | 8.00 | mg/l |
| Chloride | 1.95 | mg/l |
| COD | 10.00 | mg/l |
| Fluoride | 0.17 | mg/l |
| Magnesium | 0.97 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | BDL | mg/l |
| Potassium | 1.00 | mg/l |
| Sodium | 2.10 | mg/l |
| Sulphate | 5.35 | mg/l |
| Total Alkalinity | 24.00 | mg/l |
| Total Dissolved Solids(TDS) | 12.00 | mg/l |
| Total Fixed Solids(TFS) | 24.00 | mg/l |
| Total Hardness as CaCo3 | 24.00 | mg/l |
| Total Suspended Solids(TSS) | 4.00 | mg/l |
| Turbidity | 1.51 | NTU |