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: 23/08/2021 | Sample Time: 13:10 | |
| Human Activities: None | Weather: Sunny and Clear. | Water Body: Torsa |
| Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 2.00 m |
| Color & Intensity: Moderately Brown and turbid | Odour: Fishy | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | 0.11 | mg/l |
| BOD | 1.90 | mg/l |
| Conductivity | 94.81 | µs/cm |
| Dissolved O2(DO) | 7.10 | mg/l |
| Fecal Coliform | 3300 | MPN/100ml |
| Fecal Streptococci | 21 | MPN/100ml |
| Nitrate-N | 0.12 | mg/l |
| pH | 6.54 | Unit |
| Temperature(Water) | 28 | ⁰C |
| Total Coliform | 14000 | MPN/100ml |
| Boron | 1.58 | mg/l |
| Calcium | 8.82 | mg/l |
| Chloride | 1.95 | mg/l |
| COD | 28.00 | mg/l |
| Fluoride | BDL | mg/l |
| Magnesium | 7.48 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.005 | mg/l |
| Potassium | 0.9 | mg/l |
| Sodium | 0.3 | mg/l |
| Sulphate | 12.58 | mg/l |
| Total Alkalinity | 72.00 | mg/l |
| Total Dissolved Solids(TDS) | 48.0 | mg/l |
| Total Fixed Solids(TFS) | 192.00 | mg/l |
| Total Hardness as CaCo3 | 48.00 | mg/l |
| Total Suspended Solids(TSS) | 22.0 | mg/l |
| Turbidity | 129.00 | NTU |