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: 28/02/2020 | Sample Time: 16:15 Hrs | |
| Human Activities: None | Weather: Clear and Sunny | Water Body: Torsa |
| Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Moderately Green and Clear | Odour: Fishy | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | 0.12 | mg/l |
| BOD | 2.60 | mg/l |
| Conductivity | 166.00 | µs/cm |
| Fecal Coliform | 1400 | MPN/100ml |
| Nitrate-N | 0.54 | mg/l |
| pH | 7.80 | Unit |
| Temperature | 14 | ⁰C |
| Total Coliform | 7000 | MPN/100ml |
| Boron | 6.63 | mg/l |
| Calcium | 24.84 | mg/l |
| Chloride | 4.89 | mg/l |
| COD | 41.00 | mg/l |
| Fluoride | 0.13 | mg/l |
| Magnesium | 8.64 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.022 | mg/l |
| Potassium | 1.00 | mg/l |
| Sodium | 2.40 | mg/l |
| Sulphate | 10.60 | mg/l |
| Total Alkalinity | 84.00 | mg/l |
| Total Dissolved Solids(TDS) | 242.00 | mg/l |
| Total Fixed Solids(TFS) | 96.00 | mg/l |
| Total Hardness as CaCo3 | 92.00 | mg/l |
| Total Suspended Solids(TSS) | 15.00 | mg/l |
| Turbidity | 9.21 | NTU |
| Dissolved O2(DO) | 7.20 | mg/l |