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: 23/03/2021 | Sample Time: 14:10 Hrs | |
Human Activities: Fishing | Weather: Sunny | Water Body: Torsa |
Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 0.00 m |
Color & Intensity: Light Green and Slightly Turbid | Odour: None | Visible effluent discharge: None |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
Ammonia-N | BDL | mg/l |
BOD | 1.40 | mg/l |
Conductivity | 94.65 | µs/cm |
Dissolved O2(DO) | 7.40 | mg/l |
Fecal Coliform | 2700 | MPN/100ml |
Fecal Streptococci | 20 | MPN/100ml |
Nitrate-N | 0.06 | mg/l |
pH | 7.42 | Unit |
Temperature(Water) | 25 | ⁰C |
Total Coliform | 8000 | MPN/100ml |
Boron | 0.87 | mg/l |
Calcium | 21.64 | mg/l |
Chloride | 0.98 | mg/l |
COD | 46.00 | mg/l |
Fluoride | BDL | mg/l |
Magnesium | 13.24 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Phosphate-P | 0.002 | mg/l |
Potassium | 1.0 | mg/l |
Sodium | 2.5 | mg/l |
Sulphate | 10.58 | mg/l |
Total Alkalinity | 76.00 | mg/l |
Total Dissolved Solids(TDS) | 54.00 | mg/l |
Total Fixed Solids(TFS) | 24.00 | mg/l |
Total Hardness as CaCo3 | 100.00 | mg/l |
Total Suspended Solids(TSS) | 24.00 | mg/l |
Turbidity | 4.67 | NTU |