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: 18/09/2020 | Sample Time: 13:20 Hrs | |
| Human Activities: None | Weather: Cloudy and Raining. | Water Body: Lake |
| Frequency Of Monitoring: Monthly | Use Based Class: A | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Moderately Green and Turbid. | Odour: Fishy | Visible effluent discharge: none |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | BDL | mg/l |
| BOD | 1.40 | mg/l |
| Conductivity | 13.39 | µs/cm |
| Nitrate-N | 2.28 | mg/l |
| Total Coliform | 330 | MPN/100ml |
| Boron | 0.44 | mg/l |
| Calcium | 2.40 | mg/l |
| Chloride | 1.96 | mg/l |
| pH | 7.75 | Unit |
| Temperature(Water) | 12 | ⁰C |
| COD | 10.00 | mg/l |
| Fluoride | BDL | mg/l |
| Magnesium | 5.19 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.025 | mg/l |
| Dissolved O2(DO) | 7.00 | mg/l |
| Fecal Coliform | 260 | MPN/100ml |
| Total Suspended Solids(TSS) | 16.00 | mg/l |
| Turbidity | 2.87 | NTU |
| Total Hardness as CaCo3 | 24.00 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Potassium | BDL | mg/l |
| Sodium | 2.80 | mg/l |
| Sulphate | 166.32 | mg/l |
| Total Alkalinity | 14.00 | mg/l |
| Total Dissolved Solids(TDS) | 24.00 | mg/l |
| Total Fixed Solids(TFS) | 32.00 | mg/l |