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: 29/07/2019 | Sample Time: 15:30 | |
| 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: Muddy and Moderately Brown | Odour: Fishy | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Calcium | 24.85 | mg/l |
| Chloride | 8.81 | mg/l |
| COD | 46.48 | mg/l |
| Fluoride | BDL | mg/l |
| Magnesium | 12.09 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.014 | mg/l |
| Potassium | 11.50 | mg/l |
| Sodium | 2.60 | mg/l |
| Sulphate | 17.17 | mg/l |
| Total Alkalinity | 86.00 | mg/l |
| Total Dissolved Solids(TDS) | 188.00 | mg/l |
| Total Fixed Solids(TFS) | 104.00 | mg/l |
| Total Hardness as CaCo3 | 104.00 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 210.00 | mg/l |
| Turbidity | 41.20 | NTU |
| Ammonia-N | BDL | mg/l |
| BOD | 1.20 | mg/l |
| Conductivity | 118.20 | µs/cm |
| Dissolved O2(DO) | 7.20 | mg/l |
| Fecal Coliform | 9000 | MPN/100ml |
| Nitrate-N | 0.52 | mg/l |
| pH | 7.42 | Unit |
| Temperature | 26 | ⁰C |
| Total Coliform | 14000 | MPN/100ml |
| Boron | 0.015 | mg/l |