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: 28/08/2020 | Sample Time: 11:10Hrs | |
| Human Activities: None | Weather: Sunny | Water Body: Torsa |
| Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Dark Green and Muddy | Odour: Fishy | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Temperature(Water) | 26 | ⁰C |
| Total Coliform | 13000 | MPN/100ml |
| Boron | 5.13 | mg/l |
| Calcium | 11.22 | mg/l |
| Chloride | 0.97 | mg/l |
| COD | 34.00 | mg/l |
| Fluoride | 0.12 | mg/l |
| Magnesium | 5.18 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.020 | mg/l |
| Potassium | 0.70 | mg/l |
| Sodium | 2.3 | mg/l |
| Sulphate | 15.15 | mg/l |
| Total Alkalinity | 48.0 | mg/l |
| Total Dissolved Solids(TDS) | 42.00 | mg/l |
| Total Fixed Solids(TFS) | 916.00 | mg/l |
| Total Hardness as CaCo3 | 46.0 | mg/l |
| Total Suspended Solids(TSS) | 48.0 | mg/l |
| Turbidity | 407.00 | NTU |
| Ammonia-N | BDL | mg/l |
| BOD | 1.40 | mg/l |
| Dissolved O2(DO) | 7.20 | mg/l |
| Conductivity | 86.19 | µs/cm |
| Fecal Coliform | 5000 | MPN/100ml |
| Nitrate-N | 1.18 | mg/l |
| pH | 7.09 | Unit |