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: 30/08/2019 | Sample Time: 14:00 | |
| Human Activities: None | Weather: Cloudy and Rainy | Water Body: Lake |
| Frequency Of Monitoring: Monthly | Use Based Class: A | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Dark Green and clear | Odour: Odour free | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Sulphate | 2.07 | mg/l |
| Boron | 0.001 | mg/l |
| Total Fixed Solids(TFS) | 96.00 | mg/l |
| Total Hardness as CaCo3 | 32.00 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 6.00 | mg/l |
| Calcium | 10.42 | mg/l |
| Chloride | 4.89 | mg/l |
| Phosphate-P | 0.005 | mg/l |
| Turbidity | 2.98 | NTU |
| Potassium | BDL | mg/l |
| Sodium | 0.80 | mg/l |
| Ammonia-N | BDL | mg/l |
| BOD | 1.20 | mg/l |
| Conductivity | 18.33 | µs/cm |
| Dissolved O2(DO) | 6.50 | mg/l |
| Total Coliform | 110 | MPN/100ml |
| COD | 3.57 | mg/l |
| Fluoride | BDL | mg/l |
| Magnesium | 1.73 | mg/l |
| Total Alkalinity | 22.0 | mg/l |
| Total Dissolved Solids(TDS) | 14.00 | mg/l |
| Fecal Coliform | 80 | MPN/100ml |
| Nitrate-N | 0.14 | mg/l |
| pH | 6.80 | Unit |
| Temperature | 16 | ⁰C |
| Phenolpthalein Alkanity | NIL | mg/l |