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: 06/11/2020 | Sample Time: 12:50 | |
| 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 |
| Boron | 0.58 | mg/l |
| Total Fixed Solids(TFS) | 56.00 | mg/l |
| Total Hardness as CaCo3 | 42.00 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 8.0 | mg/l |
| Total Coliform | 140 | MPN/100ml |
| Calcium | 6.41 | mg/l |
| Fecal Coliform | 80 | MPN/100ml |
| pH | 7.20 | Unit |
| Ammonia-N | 0.13 | mg/l |
| BOD | 1.40 | mg/l |
| Conductivity | 10.12 | µs/cm |
| Dissolved O2(DO) | 7.80 | mg/l |
| Chloride | 13.69 | mg/l |
| COD | 6.00 | mg/l |
| Fluoride | BDL | mg/l |
| Magnesium | 4.03 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.002 | mg/l |
| Potassium | BDL | mg/l |
| Sulphate | 12.42 | mg/l |
| Total Alkalinity | 38.00 | mg/l |
| Nitrate-N | 0.074 | mg/l |
| Temperature(Water) | 12 | ⁰C |
| Total Dissolved Solids(TDS) | 12.0 | mg/l |
| Sodium | 1.40 | mg/l |
| Turbidity | 3.49 | NTU |