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: 09/08/2019 | Sample Time: 10:10 | |
| Human Activities: Fishing. | Weather: Sunny and Clear | 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: Fishy | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Fluoride | 0.13 | mg/l |
| Magnesium | 12.67 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.184 | mg/l |
| Potassium | 0.70 | mg/l |
| Sodium | 1.40 | mg/l |
| Total Alkalinity | 32.0 | mg/l |
| Total Dissolved Solids(TDS) | 88.00 | mg/l |
| Total Fixed Solids(TFS) | 388.00 | mg/l |
| Total Hardness as CaCo3 | 72.00 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 60.00 | mg/l |
| Turbidity | 124.00 | NTU |
| BOD | 1.50 | mg/l |
| Conductivity | 85.18 | µs/cm |
| Dissolved O2(DO) | 6.50 | mg/l |
| Fecal Coliform | 9000 | MPN/100ml |
| Boron | 0.022 | mg/l |
| Calcium | 22.44 | mg/l |
| Chloride | 6.0 | mg/l |
| pH | 6.21 | Unit |
| Temperature | 29 | ⁰C |
| COD | 26.40 | mg/l |
| Nitrate-N | 0.73 | mg/l |
| Ammonia-N | 0.12 | mg/l |
| Total Coliform | 14000 | MPN/100ml |
| Sulphate | 9.88 | mg/l |