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: 10/08/2020 | Sample Time: 14;30 Hrs | |
| Human Activities: None | Weather: Cloudy | Water Body: Lake |
| Frequency Of Monitoring: Monthly | Use Based Class: A | Approximate Depth(Bottom/Table): 0.00 m |
| Color & Intensity: Light Green and Slightly Turbid | Odour: None | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Conductivity | 17.69 | µs/cm |
| Dissolved O2(DO) | 7.40 | mg/l |
| Fecal Coliform | 90 | MPN/100ml |
| Nitrate-N | 0.32 | mg/l |
| Ammonia-N | BDL | mg/l |
| pH | 7.34 | Unit |
| Total Coliform | 170 | MPN/100ml |
| Boron | 0.53 | mg/l |
| Calcium | 2.40 | mg/l |
| Chloride | 0.97 | mg/l |
| COD | 12.00 | mg/l |
| Magnesium | 2.30 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.019 | mg/l |
| Sodium | 2.8 | mg/l |
| Sulphate | 2.52 | mg/l |
| Total Alkalinity | 16.0 | mg/l |
| Total Dissolved Solids(TDS) | 6.00 | mg/l |
| Total Fixed Solids(TFS) | 12.00 | mg/l |
| Total Hardness as CaCo3 | 6.00 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 12.00 | mg/l |
| Temperature(Water) | 12 | ⁰C |
| Fluoride | BDL | mg/l |
| Potassium | BDL | mg/l |
| Turbidity | 5.14 | NTU |
| BOD | 0.50 | mg/l |