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: 23/07/2020 | Sample Time: 11:10 | |
| 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: Light brown and Muddy | Odour: Septic | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Temperature(Water) | 26 | ⁰C |
| Total Coliform | 8000 | MPN/100ml |
| Calcium | 7.21 | mg/l |
| Chloride | 12.72 | mg/l |
| Fluoride | 0.17 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.078 | mg/l |
| Potassium | 1.60 | mg/l |
| Sodium | 3.60 | mg/l |
| Sulphate | 11.21 | mg/l |
| Total Alkalinity | 54.00 | mg/l |
| Total Dissolved Solids(TDS) | 62.00 | mg/l |
| Total Suspended Solids(TSS) | 48.00 | mg/l |
| Turbidity | 9.11 | NTU |
| Magnesium | 4.032 | mg/l |
| BOD | 1.60 | mg/l |
| Boron | 1.84 | mg/l |
| Total Hardness as CaCo3 | 32.00 | mg/l |
| Ammonia-N | 0.12 | mg/l |
| Conductivity | 86.61 | µs/cm |
| COD | 30.00 | mg/l |
| Dissolved O2(DO) | 6.80 | mg/l |
| Fecal Coliform | 2200 | MPN/100ml |
| Nitrate-N | 0.83 | mg/l |
| pH | 7.72 | Unit |
| Total Fixed Solids(TFS) | 76.00 | mg/l |