West Bengal Pollution Control Board |
Siliguri Laboratory |
Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428. |
| Station: River Torsa D/S of Ghughumari | River Basin: GANGA | CPCB Station Code: 4719 |
| Sample Date: 19/08/2019 | Sample Time: 16:15 | |
| Human Activities: None | 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 Green and Clear | Odour: Fishy | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| BOD | 1.20 | mg/l |
| Conductivity | 98.42 | µs/cm |
| Dissolved O2(DO) | 7.20 | mg/l |
| Fecal Coliform | 8000 | MPN/100ml |
| Nitrate-N | 0.69 | mg/l |
| pH | 7.68 | Unit |
| Temperature | 29 | ⁰C |
| Total Coliform | 17000 | MPN/100ml |
| Boron | 0.024 | mg/l |
| Calcium | 22.44 | mg/l |
| Chloride | 18.58 | mg/l |
| COD | 26.23 | mg/l |
| Fluoride | 0.12 | mg/l |
| Magnesium | 12.67 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.006 | mg/l |
| Potassium | 10.20 | mg/l |
| Sodium | 3.20 | mg/l |
| Sulphate | 21.26 | mg/l |
| Total Alkalinity | 72.00 | mg/l |
| Total Dissolved Solids(TDS) | 82.00 | mg/l |
| Total Fixed Solids(TFS) | 76.00 | mg/l |
| Total Hardness as CaCo3 | 72.00 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 110.00 | mg/l |
| Turbidity | 3.26 | NTU |
| Ammonia-N | BDL | mg/l |