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: 14/01/2021 | Sample Time: 15:10 Hrs | |
| Human Activities: Fishing,Bathing,Washing | 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 Brown and slightly Turbid | Odour: septic | Visible effluent discharge: Moderate |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Phenolpthalein Alkanity | NIL | mg/l |
| Fecal Coliform | 2300 | MPN/100ml |
| Total Coliform | 8000 | MPN/100ml |
| Conductivity | 166.00 | µs/cm |
| Total Dissolved Solids(TDS) | 64.00 | mg/l |
| Fecal Streptococci | 130 | MPN/100ml |
| Nitrate-N | 0.045 | mg/l |
| pH | 7.50 | Unit |
| Temperature(Water) | 24 | ⁰C |
| Calcium | 13.62 | mg/l |
| Chloride | 3.91 | mg/l |
| COD | 52.00 | mg/l |
| Fluoride | 0.15 | mg/l |
| Magnesium | 12.67 | mg/l |
| Sodium | 2.60 | mg/l |
| Sulphate | 12.21 | mg/l |
| Total Alkalinity | 50.00 | mg/l |
| Total Fixed Solids(TFS) | 120.00 | mg/l |
| Total Hardness as CaCo3 | 78.00 | mg/l |
| Total Suspended Solids(TSS) | 24.0 | mg/l |
| Turbidity | 15.50 | NTU |
| Ammonia-N | 0.25 | mg/l |
| BOD | 1.90 | mg/l |
| Dissolved O2(DO) | 6.80 | mg/l |
| Phosphate-P | 0.003 | mg/l |
| Potassium | 0.90 | mg/l |
| Boron | 1.21 | mg/l |