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: 21/09/2020 | Sample Time: 13:30 | |
| Human Activities: Bathing and Washing and Fishing. | Weather: Sunny and Humid. | Water Body: Torsa |
| Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Muddy Light Brown | Odour: Odour Free | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Phosphate-P | 0.012 | mg/l |
| Potassium | 2.00 | mg/l |
| Sodium | 0.40 | mg/l |
| Sulphate | 52.42 | mg/l |
| Total Alkalinity | 64.00 | mg/l |
| BOD | 1.90 | mg/l |
| Conductivity | 98.80 | µs/cm |
| Dissolved O2(DO) | 7.10 | mg/l |
| Fecal Coliform | 1300 | MPN/100ml |
| Ammonia-N | BDL | mg/l |
| Total Coliform | 8000 | MPN/100ml |
| Boron | 3.77 | mg/l |
| Calcium | 13.63 | mg/l |
| Chloride | 1.96 | mg/l |
| COD | 32.00 | mg/l |
| Fluoride | 0.19 | mg/l |
| Magnesium | 12.67 | mg/l |
| Nitrate-N | 1.37 | mg/l |
| pH | 7.42 | Unit |
| Temperature(Water) | 25 | ⁰C |
| Total Dissolved Solids(TDS) | 128.00 | mg/l |
| Total Fixed Solids(TFS) | 94.00 | mg/l |
| Total Hardness as CaCo3 | 78.00 | mg/l |
| Total Suspended Solids(TSS) | 120.00 | mg/l |
| Turbidity | 26.60 | NTU |
| Phenolpthalein Alkanity | NIL | mg/l |