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: 13/09/2019 | Sample Time: 12:30 Hrs | |
| 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: Moderately Brown and Muddy | Odour: Fishy | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Fecal Coliform | 7000 | MPN/100ml |
| Nitrate-N | 3.12 | mg/l |
| Temperature | 25 | ⁰C |
| Total Coliform | 17000 | MPN/100ml |
| Boron | 0.003 | mg/l |
| Calcium | 13.63 | mg/l |
| Chloride | 14.68 | mg/l |
| COD | 29.89 | mg/l |
| Fluoride | BDL | mg/l |
| Magnesium | 5.18 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.138 | mg/l |
| Sodium | 2.10 | mg/l |
| Sulphate | 13.26 | mg/l |
| Total Alkalinity | 54.00 | mg/l |
| Total Dissolved Solids(TDS) | 62.00 | mg/l |
| Total Fixed Solids(TFS) | 84.00 | mg/l |
| Total Hardness as CaCo3 | 52.00 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Ammonia-N | BDL | mg/l |
| Dissolved O2(DO) | 7.2 | mg/l |
| BOD | 2.10 | mg/l |
| Conductivity | 89.10 | µs/cm |
| Total Suspended Solids(TSS) | 58.00 | mg/l |
| Turbidity | 26.20 | NTU |
| pH | 6.60 | Unit |
| Potassium | 1.40 | mg/l |