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: 25/03/2021 | Sample Time: 14:30 Hrs | |
| Human Activities: Fish Feeding | Weather: Cloudy | Water Body: Lake |
| Frequency Of Monitoring: Monthly | Use Based Class: A | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Dark Green and Highly Turbid | Odour: Fishy | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | 0.14 | mg/l |
| BOD | 1.50 | mg/l |
| Conductivity | 20.16 | µs/cm |
| Dissolved O2(DO) | 7.80 | mg/l |
| Fecal Coliform | 70 | MPN/100ml |
| Nitrate-N | 0.01 | mg/l |
| pH | 7.42 | Unit |
| Temperature(Water) | 12 | ⁰C |
| Total Coliform | 170 | MPN/100ml |
| Boron | 0.18 | mg/l |
| Calcium | 8.85 | mg/l |
| Chloride | 0.98 | mg/l |
| COD | 8.00 | mg/l |
| Fluoride | BDL | mg/l |
| Magnesium | 2.88 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.001 | mg/l |
| Potassium | 0.80 | mg/l |
| Sodium | 3.2 | mg/l |
| Sulphate | 2.03 | mg/l |
| Total Alkalinity | 80.0 | mg/l |
| Total Dissolved Solids(TDS) | 10.00 | mg/l |
| Total Fixed Solids(TFS) | 26.00 | mg/l |
| Total Hardness as CaCo3 | 78.00 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 8.00 | mg/l |
| Turbidity | 13.50 | NTU |