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: 07/05/2019 | Sample Time: 13:20 | |
| Human Activities: None | Weather: Clear and Sunny | Water Body: Torsa |
| Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Dark Green | Odour: Fishy | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| BOD | 2.80 | mg/l |
| Conductivity | 126.10 | µs/cm |
| Dissolved O2(DO) | 6.80 | mg/l |
| Ammonia-N | BDL | mg/l |
| Fecal Coliform | 7000 | MPN/100ml |
| Chloride | 9.78 | mg/l |
| COD | 27.84 | mg/l |
| Fluoride | 0.14 | mg/l |
| Total Hardness as CaCo3 | 60.00 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 21.00 | mg/l |
| Nitrate-N | 0.43 | mg/l |
| pH | 7.32 | Unit |
| Total Fixed Solids(TFS) | 100.00 | mg/l |
| Calcium | 16.03 | mg/l |
| Magnesium | 5.76 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.049 | mg/l |
| Potassium | 1.10 | mg/l |
| Turbidity | 4.04 | NTU |
| Sodium | 0.30 | mg/l |
| Sulphate | 8.95 | mg/l |
| Total Coliform | 11000 | MPN/100ml |
| Boron | 0.015 | mg/l |
| Total Alkalinity | 58.00 | mg/l |
| Temperature | 26 | ⁰C |
| Total Dissolved Solids(TDS) | 42.00 | mg/l |