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: 24/01/2020 | Sample Time: 15:25 | |
| 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: Clear and Moderately Green | Odour: Fishy | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | BDL | mg/l |
| Conductivity | 119.20 | µs/cm |
| BOD | 1.40 | mg/l |
| Dissolved O2(DO) | 7.00 | mg/l |
| Fecal Coliform | 2700 | MPN/100ml |
| Nitrate-N | 0.79 | mg/l |
| Temperature | 19 | ⁰C |
| Total Coliform | 11000 | MPN/100ml |
| Calcium | 22.44 | mg/l |
| Chloride | 7.61 | mg/l |
| COD | 49.00 | mg/l |
| Fluoride | 0.14 | mg/l |
| Magnesium | 8.06 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.016 | mg/l |
| Potassium | 1.2 | mg/l |
| Sulphate | 27.50 | mg/l |
| Total Alkalinity | 44.00 | mg/l |
| Total Dissolved Solids(TDS) | 84.00 | mg/l |
| Total Fixed Solids(TFS) | 36.00 | mg/l |
| Total Suspended Solids(TSS) | 48.00 | mg/l |
| Turbidity | 2.30 | NTU |
| Boron | 5.37 | mg/l |
| Sodium | 0.60 | mg/l |
| pH | 7.30 | Unit |
| Total Hardness as CaCo3 | 84.00 | mg/l |