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: 25/11/2020 | Sample Time: 14:10 | |
| Human Activities: Fishing | Weather: Sunny and Hot. | Water Body: Torsa |
| Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Dark Green | Odour: Fishy | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Potassium | 0.90 | mg/l |
| Fecal Coliform | 5000 | MPN/100ml |
| Fecal Streptococci | 33 | MPN/100ml |
| Nitrate-N | 0.008 | mg/l |
| pH | 7.11 | Unit |
| Temperature(Water) | 28 | ⁰C |
| BOD | 2.40 | mg/l |
| Conductivity | 72.43 | µs/cm |
| Dissolved O2(DO) | 6.80 | mg/l |
| Calcium | 23.25 | mg/l |
| Chloride | 11.74 | mg/l |
| Fluoride | BDL | mg/l |
| Total Fixed Solids(TFS) | 20.00 | mg/l |
| Total Hardness as CaCo3 | 116.00 | mg/l |
| Boron | 1.06 | mg/l |
| COD | 46.00 | mg/l |
| Total Alkalinity | 48.00 | mg/l |
| Sulphate | 21.21 | mg/l |
| Magnesium | 16.71 | mg/l |
| Total Suspended Solids(TSS) | 38.00 | mg/l |
| Phosphate-P | 0.029 | mg/l |
| Turbidity | 1.60 | NTU |
| Phenolpthalein Alkanity | NIL | mg/l |
| Total Dissolved Solids(TDS) | 60.00 | mg/l |
| Ammonia-N | BDL | mg/l |
| Sodium | 2.20 | mg/l |
| Total Coliform | 11000 | MPN/100ml |