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: 03/02/2022 | Sample Time: 12:05 | |
| 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 and clear | Odour: Odour free | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | BDL | mg/l |
| BOD | 1.60 | mg/l |
| Conductivity | 38.89 | µs/cm |
| Dissolved O2(DO) | 8.80 | mg/l |
| Fecal Coliform | 1400 | MPN/100ml |
| Nitrate-N | 0.09 | mg/l |
| pH | 7.89 | Unit |
| Temperature(Water) | 4 | ⁰C |
| Total Coliform | 2200 | MPN/100ml |
| Boron | 0.89 | mg/l |
| Calcium | 11.22 | mg/l |
| Chloride | 4.89 | mg/l |
| COD | 5.20 | mg/l |
| Fluoride | BDL | mg/l |
| Magnesium | 6.91 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.007 | mg/l |
| Potassium | 0.40 | mg/l |
| Sodium | 0.70 | mg/l |
| Sulphate | BDL | mg/l |
| Total Alkalinity | 20.00 | mg/l |
| Total Dissolved Solids(TDS) | 26.00 | mg/l |
| Total Fixed Solids(TFS) | 16.00 | mg/l |
| Total Hardness as CaCo3 | 52.00 | mg/l |
| Total Suspended Solids(TSS) | 5.00 | mg/l |
| Turbidity | 2.13 | NTU |