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: 24/09/2021 | Sample Time: 14:10 | |
| 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: Moderately green and turbid | Odour: Fishy. | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Total Alkalinity | 30.00 | mg/l |
| Ammonia-N | BDL | mg/l |
| BOD | 2.00 | mg/l |
| Conductivity | 88.60 | µs/cm |
| Dissolved O2(DO) | 7.40 | mg/l |
| Fecal Coliform | 3400 | MPN/100ml |
| Fecal Streptococci | 21 | MPN/100ml |
| Nitrate-N | 0.17 | mg/l |
| pH | 6.50 | Unit |
| Temperature(Water) | 29.00 | ⁰C |
| Total Coliform | 17000 | MPN/100ml |
| Boron | 0.82 | mg/l |
| Calcium | 20.84 | mg/l |
| Chloride | 9.78 | mg/l |
| COD | 22.00 | mg/l |
| Fluoride | BDL | mg/l |
| Total Dissolved Solids(TDS) | 28.00 | mg/l |
| Magnesium | 7.48 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.005 | mg/l |
| Total Fixed Solids(TFS) | 208.00 | mg/l |
| Potassium | 2.10 | mg/l |
| Sodium | 0.70 | mg/l |
| Total Hardness as CaCo3 | 52.00 | mg/l |
| Sulphate | 9.43 | mg/l |
| Total Suspended Solids(TSS) | 28.00 | mg/l |
| Turbidity | 53.80 | NTU |