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: 15/09/2020 | Sample Time: 12:30 | |
| Human Activities: None | Weather: Cloudy and Rainy. | Water Body: Torsa |
| Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Light Brown | Odour: Odour Free | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Total Alkalinity | 48.00 | mg/l |
| Total Coliform | 5000 | MPN/100ml |
| Boron | 3.58 | mg/l |
| Calcium | 11.22 | mg/l |
| Chloride | 0.98 | mg/l |
| COD | 28.00 | mg/l |
| Fluoride | 0.17 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.057 | mg/l |
| Potassium | 1.80 | mg/l |
| Sodium | 0.80 | mg/l |
| Sulphate | 16.63 | mg/l |
| Total Suspended Solids(TSS) | 55.00 | mg/l |
| Turbidity | 101.00 | NTU |
| Ammonia-N | BDL | mg/l |
| BOD | 2.10 | mg/l |
| Conductivity | 74.13 | µs/cm |
| Fecal Coliform | 2200 | MPN/100ml |
| Nitrate-N | 1.83 | mg/l |
| pH | 7.62 | Unit |
| Magnesium | 6.33 | mg/l |
| Temperature(Water) | 24 | ⁰C |
| Total Dissolved Solids(TDS) | 64.00 | mg/l |
| Total Fixed Solids(TFS) | 218.00 | mg/l |
| Total Hardness as CaCo3 | 50.00 | mg/l |
| Dissolved O2(DO) | 6.10 | mg/l |