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: 09/05/2019 | Sample Time: 14:31 | |
| Human Activities: None | Weather: Cloudy,Hot and Humid | Water Body: Torsa |
| Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Clear and Light Green | Odour: Fishy | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Potassium | 2.10 | mg/l |
| Ammonia-N | 0.14 | mg/l |
| BOD | 3.20 | mg/l |
| Conductivity | 149.70 | µs/cm |
| Dissolved O2(DO) | 6.10 | mg/l |
| Fecal Coliform | 5000 | MPN/100ml |
| Nitrate-N | 0.24 | mg/l |
| Temperature | 28 | ⁰C |
| Total Coliform | 11000 | MPN/100ml |
| Boron | 0.012 | mg/l |
| Calcium | 29.66 | mg/l |
| Chloride | 10.76 | mg/l |
| COD | 38.84 | mg/l |
| Fluoride | 0.12 | mg/l |
| Magnesium | 14.97 | mg/l |
| Phosphate-P | 0.009 | mg/l |
| Sodium | 2.50 | mg/l |
| Total Dissolved Solids(TDS) | 96.00 | mg/l |
| Total Fixed Solids(TFS) | 70.00 | mg/l |
| Total Hardness as CaCo3 | 126.00 | mg/l |
| pH | 7.48 | Unit |
| Phenolpthalein Alkanity | NIL | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 490.00 | mg/l |
| Turbidity | 6.23 | NTU |
| Sulphate | 12.84 | mg/l |
| Total Alkalinity | 72.00 | mg/l |