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: 29/11/2019 | Sample Time: 13:05 Hrs | |
| 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 |
| pH | 7.18 | Unit |
| Temperature | 9 | ⁰C |
| Total Coliform | 210 | MPN/100ml |
| Boron | 0.002 | mg/l |
| Calcium | 3.21 | mg/l |
| Chloride | 4.89 | mg/l |
| COD | 20.00 | mg/l |
| Fluoride | BDL | mg/l |
| Magnesium | 1.15 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.002 | mg/l |
| Potassium | BDL | mg/l |
| Sodium | BDL | mg/l |
| Sulphate | 2.12 | mg/l |
| Total Alkalinity | 28.00 | mg/l |
| Total Dissolved Solids(TDS) | 26.00 | mg/l |
| Total Fixed Solids(TFS) | 46.00 | mg/l |
| Ammonia-N | 0.13 | mg/l |
| BOD | 1.40 | mg/l |
| Conductivity | 27.99 | µs/cm |
| Fecal Coliform | 80 | MPN/100ml |
| Dissolved O2(DO) | 7.20 | mg/l |
| Nitrate-N | 0.33 | mg/l |
| Total Hardness as CaCo3 | 24.00 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 6.00 | mg/l |
| Turbidity | 8.71 | NTU |