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: 18/07/2022 | Sample Time: 13:20 | |
| Human Activities: Bathing and 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 turbid | Odour: Fishy | Visible effluent discharge: None |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | BDL | mg/l |
| BOD | 1.80 | mg/l |
| Conductivity | 154.70 | µs/cm |
| Dissolved O2(DO) | 6.00 | mg/l |
| Fecal Coliform | 5000 | MPN/100ml |
| Fecal Streptococci | 94 | MPN/100ml |
| Nitrate-N | 0.22 | mg/l |
| pH | 7.72 | Unit |
| Temperature(Water) | 27 | ⁰C |
| Total Coliform | 13000 | MPN/100ml |
| Boron | 1.37 | mg/l |
| Calcium | 8.00 | mg/l |
| Chloride | 2.93 | mg/l |
| COD | 17.68 | mg/l |
| Fluoride | BDL | mg/l |
| Magnesium | 4.86 | mg/l |
| Phenolpthalein Alkanity | NIL | mg/l |
| Phosphate-P | 0.06 | mg/l |
| Potassium | 3.10 | mg/l |
| Sodium | 3.40 | mg/l |
| Sulphate | 10.45 | mg/l |
| Total Alkalinity | 84.00 | mg/l |
| Total Dissolved Solids(TDS) | 100.00 | mg/l |
| Total Fixed Solids(TFS) | 612.00 | mg/l |
| Total Hardness as CaCo3 | 82.00 | mg/l |
| Total Suspended Solids(TSS) | 349.00 | mg/l |
| Turbidity | 63.50 | NTU |