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: 23/03/2022 | Sample Time: 13:40 | |
| Human Activities: Bathing and Washing | 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 | BDL | mg/l |
| BOD | 0.50 | mg/l |
| Conductivity | 126.30 | µs/cm |
| Dissolved O2(DO) | 7.10 | mg/l |
| Fecal Coliform | 2300 | MPN/100ml |
| Fecal Streptococci | 31 | MPN/100ml |
| Nitrate-N | 0.41 | mg/l |
| pH | 6.90 | Unit |
| Temperature(Water) | 28 | ⁰C |
| Total Coliform | 5000 | MPN/100ml |
| Boron | 0.77 | mg/l |
| Calcium | 16.00 | mg/l |
| Chloride | 9.78 | mg/l |
| COD | 18.40 | mg/l |
| Fluoride | 0.11 | mg/l |
| Magnesium | 10.69 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.005 | mg/l |
| Potassium | 1.50 | mg/l |
| Sodium | 1.40 | mg/l |
| Sulphate | 9.81 | mg/l |
| Total Alkalinity | 74.00 | mg/l |
| Total Dissolved Solids(TDS) | 71.00 | mg/l |
| Total Fixed Solids(TFS) | 126.00 | mg/l |
| Total Hardness as CaCo3 | 84.00 | mg/l |
| Total Suspended Solids(TSS) | 16.00 | mg/l |
| Turbidity | 6.17 | NTU |