West Bengal Pollution Control Board |
Siliguri Laboratory |
Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428. |
| Station: River Torsa at Hasimara | River Basin: GANGA | CPCB Station Code: 4724 |
| Sample Date: 19/06/2020 | Sample Time: 12:00 | |
| Human Activities: None | Weather: Cloudy. | Water Body: Torsa |
| Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Muddy Brown | Odour: Soapy | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Total Hardness as CaCo3 | 32.00 | mg/l |
| Total Suspended Solids(TSS) | 86.00 | mg/l |
| Turbidity | NTU | |
| Ammonia-N | mg/l | |
| BOD | 1.20 | mg/l |
| Conductivity | 78.64 | µs/cm |
| Dissolved O2(DO) | 6.80 | mg/l |
| Fecal Coliform | 2100 | MPN/100ml |
| Nitrate-N | mg/l | |
| pH | 7.24 | Unit |
| Temperature(Water) | 25 | ⁰C |
| Total Coliform | 5000 | MPN/100ml |
| Boron | 0.21 | mg/l |
| Calcium | 7.21 | mg/l |
| Chloride | 11.74 | mg/l |
| COD | 29.00 | mg/l |
| Fluoride | mg/l | |
| Magnesium | 4.032 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.280 | mg/l |
| Potassium | 0.80 | mg/l |
| Sodium | 2.80 | mg/l |
| Sulphate | 10.31 | mg/l |
| Total Alkalinity | 68.00 | mg/l |
| Total Dissolved Solids(TDS) | 58.00 | mg/l |
| Total Fixed Solids(TFS) | mg/l | |