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: 17/03/2022 | Sample Time: 15:10 | |
| Human Activities: None | Weather: Sunny and Clear. | 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: None | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | 0.16 | mg/l |
| BOD | 1.80 | mg/l |
| Conductivity | 55.09 | µs/cm |
| Dissolved O2(DO) | 7.20 | mg/l |
| Fecal Coliform | 70 | MPN/100ml |
| Nitrate-N | 0.04 | mg/l |
| pH | 6.77 | Unit |
| Temperature(Water) | 16 | ⁰C |
| Total Coliform | 220 | MPN/100ml |
| Boron | 0.98 | mg/l |
| Calcium | 11.20 | mg/l |
| Chloride | 6.84 | mg/l |
| COD | 19.20 | mg/l |
| Fluoride | 0.12 | mg/l |
| Magnesium | 0.48 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.009 | mg/l |
| Potassium | BDL | mg/l |
| Sodium | 0.70 | mg/l |
| Sulphate | 3.81 | mg/l |
| Total Alkalinity | 30.00 | mg/l |
| Total Dissolved Solids(TDS) | 33.00 | mg/l |
| Total Fixed Solids(TFS) | 76.00 | mg/l |
| Total Hardness as CaCo3 | 30.00 | mg/l |
| Total Suspended Solids(TSS) | 9.00 | mg/l |
| Turbidity | 0.68 | NTU |