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: 21/12/2021 | Sample Time: 14:10 Hrs | |
| Human Activities: Fishing,Boating. | 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 Turbid | Odour: Fishy | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | BDL | mg/l |
| BOD | 1.20 | mg/l |
| Conductivity | 120.32 | µs/cm |
| Dissolved O2(DO) | 7.90 | mg/l |
| Fecal Coliform | 2600 | MPN/100ml |
| Fecal Streptococci | 23 | MPN/100ml |
| Nitrate-N | 0.09 | mg/l |
| pH | 7.56 | Unit |
| Temperature(Water) | 19 | ⁰C |
| Total Coliform | 7000 | MPN/100ml |
| Boron | 2.09 | mg/l |
| Calcium | 32.06 | mg/l |
| Chloride | 3.91 | mg/l |
| COD | 32.00 | mg/l |
| Fluoride | 0.13 | mg/l |
| Magnesium | 2.30 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.007 | mg/l |
| Potassium | 1.00 | mg/l |
| Sodium | 2.30 | mg/l |
| Sulphate | 9.45 | mg/l |
| Total Alkalinity | 76.00 | mg/l |
| Total Dissolved Solids(TDS) | 84.00 | mg/l |
| Total Fixed Solids(TFS) | 78.00 | mg/l |
| Total Hardness as CaCo3 | 88.00 | mg/l |
| Total Suspended Solids(TSS) | 28.0 | mg/l |
| Turbidity | 11.20 | NTU |