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: 26/02/2021 | Sample Time: 14:00 | |
| 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 | Odour: Odour Free | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Fluoride | 0.10 | mg/l |
| Magnesium | 4.61 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.001 | mg/l |
| Potassium | 0.60 | mg/l |
| Sodium | 2.50 | mg/l |
| Sulphate | 8.89 | mg/l |
| Total Alkalinity | 36.00 | mg/l |
| Total Fixed Solids(TFS) | 434.00 | mg/l |
| Total Hardness as CaCo3 | 44.00 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 12.00 | mg/l |
| Turbidity | NTU | |
| Ammonia-N | 0.16 | mg/l |
| Temperature(Water) | 9 | ⁰C |
| BOD | 1.60 | mg/l |
| Dissolved O2(DO) | 7.60 | mg/l |
| Fecal Coliform | 80 | MPN/100ml |
| Nitrate-N | 0.01 | mg/l |
| pH | 7.40 | Unit |
| Total Coliform | 110 | MPN/100ml |
| Boron | 0.19 | mg/l |
| Calcium | 11.22 | mg/l |
| Conductivity | 26.14 | µs/cm |
| COD | 12.00 | mg/l |
| Chloride | 6.85 | mg/l |
| Total Dissolved Solids(TDS) | 12.00 | mg/l |