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: 21/05/2019 | Sample Time: 15:30 | |
| 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: Clear and Light Green | Odour: None | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| pH | 7.28 | Unit |
| Magnesium | 1.15 | mg/l |
| Total Dissolved Solids(TDS) | 6.00 | mg/l |
| Total Fixed Solids(TFS) | 12.00 | mg/l |
| Phosphate-P | 0.032 | mg/l |
| Potassium | BDL | mg/l |
| Sodium | BDL | mg/l |
| Sulphate | 3.79 | mg/l |
| Total Alkalinity | 30.00 | mg/l |
| Total Hardness as CaCo3 | 14.00 | mg/l |
| Conductivity | 32.67 | µs/cm |
| Dissolved O2(DO) | 5.80 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 10.00 | mg/l |
| BOD | 1.90 | mg/l |
| Nitrate-N | 0.29 | mg/l |
| Fecal Coliform | 50 | MPN/100ml |
| Temperature | 14 | ⁰C |
| Total Coliform | 130 | MPN/100ml |
| Boron | 0.003 | mg/l |
| Fluoride | BDL | mg/l |
| Calcium | 8.02 | mg/l |
| Chloride | 9.78 | mg/l |
| Ammonia-N | BDL | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Turbidity | 1.79 | NTU |
| COD | 9.49 | mg/l |