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: 14/06/2022 | Sample Time: 14:00 | |
| Human Activities: None | Weather: Rainy and foggy | 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 |
| BOD | 1.00 | mg/l |
| Conductivity | 50.84 | µs/cm |
| Dissolved O2(DO) | 6.80 | mg/l |
| Fecal Coliform | 40 | MPN/100ml |
| Nitrate-N | 0.17 | mg/l |
| pH | 7.49 | Unit |
| Temperature(Water) | 13 | ⁰C |
| Total Coliform | 80 | MPN/100ml |
| Boron | 4.74 | mg/l |
| Calcium | 18.40 | mg/l |
| Chloride | 3.91 | mg/l |
| COD | 14.00 | mg/l |
| Fluoride | BDL | mg/l |
| Magnesium | 0.48 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.008 | mg/l |
| Potassium | 0.80 | mg/l |
| Sodium | BDL | mg/l |
| Sulphate | 5.88 | mg/l |
| Total Alkalinity | 26.00 | mg/l |
| Total Dissolved Solids(TDS) | 32.00 | mg/l |
| Total Fixed Solids(TFS) | 12.00 | mg/l |
| Total Hardness as CaCo3 | 48.00 | mg/l |
| Total Suspended Solids(TSS) | 2.00 | mg/l |
| Turbidity | 1.41 | NTU |
| Ammonia-N | 0.13 | mg/l |