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: 16/07/2021 | Sample Time: 14:30 | |
| 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 |
| Fecal Coliform | 60 | MPN/100ml |
| Nitrate-N | 0.06 | mg/l |
| pH | 6.97 | Unit |
| Temperature(Water) | 15 | ⁰C |
| Calcium | 8.82 | mg/l |
| Chloride | 1.96 | mg/l |
| COD | 7.00 | mg/l |
| Fluoride | BDL | mg/l |
| Magnesium | 4.03 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.001 | mg/l |
| Potassium | BDL | mg/l |
| Sodium | BDL | mg/l |
| Sulphate | 2.71 | mg/l |
| Total Alkalinity | 76.00 | mg/l |
| Total Dissolved Solids(TDS) | 18.00 | mg/l |
| Total Fixed Solids(TFS) | 20.00 | mg/l |
| Total Hardness as CaCo3 | 36.00 | mg/l |
| Total Suspended Solids(TSS) | 6.00 | mg/l |
| Turbidity | 9.53 | NTU |
| Ammonia-N | BDL | mg/l |
| BOD | 1.20 | mg/l |
| Conductivity | 32.19 | µs/cm |
| Dissolved O2(DO) | 7.20 | mg/l |
| Total Coliform | 120 | MPN/100ml |
| Boron | 0.29 | mg/l |