West Bengal Pollution Control Board |
Siliguri Laboratory |
Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428. |
| Station: River Torsa at Hasimara | River Basin: GANGA | CPCB Station Code: 4724 |
| Sample Date: 20/05/2022 | Sample Time: 16:15 | |
| Human Activities: Bathing and Washing and burning of dead body. | Weather: Sunny and Clear. | Water Body: Torsa |
| Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
| Color & Intensity: Light Brown and moderately turbid | Odour: Fishy | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | 0.18 | mg/l |
| BOD | 1.20 | mg/l |
| Conductivity | 113.90 | µs/cm |
| Dissolved O2(DO) | 8.20 | mg/l |
| Fecal Coliform | 3000 | MPN/100ml |
| Fecal Streptococci | 23 | MPN/100ml |
| Nitrate-N | 1.15 | mg/l |
| pH | 7.73 | Unit |
| Temperature(Water) | 25 | ⁰C |
| Total Coliform | 7000 | MPN/100ml |
| Boron | 3.29 | mg/l |
| Calcium | 14.40 | mg/l |
| Chloride | 1.95 | mg/l |
| COD | 13.00 | mg/l |
| Fluoride | BDL | mg/l |
| Magnesium | 3.40 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.012 | mg/l |
| Potassium | 2.20 | mg/l |
| Sodium | 2.80 | mg/l |
| Sulphate | 11.96 | mg/l |
| Total Alkalinity | 48.00 | mg/l |
| Total Dissolved Solids(TDS) | 95.00 | mg/l |
| Total Fixed Solids(TFS) | 114.00 | mg/l |
| Total Hardness as CaCo3 | 50.00 | mg/l |
| Total Suspended Solids(TSS) | 54.00 | mg/l |
| Turbidity | 13.10 | NTU |