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: 30/09/2019 | Sample Time: 15:05 Hrs | |
| Human Activities: Fishing | Weather: Cloudy and Rainy | Water Body: Torsa |
| Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Light green and clear | Odour: Fishy | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | BDL | mg/l |
| BOD | 1.90 | mg/l |
| Magnesium | 5.184 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.009 | mg/l |
| Potassium | 14.20 | mg/l |
| Sulphate | 29.77 | mg/l |
| Total Dissolved Solids(TDS) | 68.00 | mg/l |
| Total Fixed Solids(TFS) | 248.00 | mg/l |
| Total Hardness as CaCo3 | 64.00 | mg/l |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Total Suspended Solids(TSS) | 128.00 | mg/l |
| Turbidity | 51.60 | NTU |
| Sodium | 3.80 | mg/l |
| Chloride | 8.81 | mg/l |
| COD | 31.78 | mg/l |
| Fluoride | BDL | mg/l |
| Nitrate-N | 1.02 | mg/l |
| pH | 7.28 | Unit |
| Temperature | 25 | ⁰C |
| Conductivity | 92.46 | µs/cm |
| Fecal Coliform | 5000 | MPN/100ml |
| Total Coliform | 11000 | MPN/100ml |
| Boron | 0.031 | mg/l |
| Calcium | 20.04 | mg/l |
| Total Alkalinity | 42.00 | mg/l |
| Dissolved O2(DO) | 7.20 | mg/l |