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: 22/11/2019 | Sample Time: 15:00 Hrs | |
| 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 Moderately Turbid | Odour: Fishy | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | 0.15 | mg/l |
| BOD | 1.80 | mg/l |
| Conductivity | 84.61 | µs/cm |
| Dissolved O2(DO) | 7.10 | mg/l |
| Fecal Coliform | 2600 | MPN/100ml |
| pH | 7.52 | Unit |
| Temperature | 26 | ⁰C |
| Total Coliform | 9000 | MPN/100ml |
| Boron | 0.024 | mg/l |
| Total Dissolved Solids(TDS) | 62.00 | mg/l |
| Total Fixed Solids(TFS) | 74.00 | mg/l |
| Total Hardness as CaCo3 | 68.00 | mg/l |
| Total Suspended Solids(TSS) | 30.00 | mg/l |
| Turbidity | 8.87 | NTU |
| Nitrate-N | 0.36 | mg/l |
| Calcium | 20.04 | mg/l |
| Chloride | 5.87 | mg/l |
| COD | 48.00 | mg/l |
| Fluoride | 0.17 | mg/l |
| Magnesium | 9.79 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.010 | mg/l |
| Potassium | 2.20 | mg/l |
| Sodium | BDL | mg/l |
| Sulphate | 21.92 | mg/l |
| Total Alkalinity | 62.00 | mg/l |