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: 02/02/2021 | Sample Time: 14:30 Hrs | |
Human Activities: None | Weather: Sunny | Water Body: Torsa |
Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
Color & Intensity: Moderately Green and Clear | Odour: Pungent | Visible effluent discharge: Moderate Brown and Slightly Turbid |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
Ammonia-N | 0.40 | mg/l |
BOD | 1.30 | mg/l |
Conductivity | 86.20 | µs/cm |
Dissolved O2(DO) | 6.90 | mg/l |
Fecal Coliform | 2300 | MPN/100ml |
Fecal Streptococci | 17 | MPN/100ml |
Nitrate-N | 0.05 | mg/l |
pH | 6.97 | Unit |
Temperature(Water) | 20 | ⁰C |
Total Coliform | 7000 | MPN/100ml |
Boron | 1.49 | mg/l |
Calcium | 22.44 | mg/l |
Chloride | 4.89 | mg/l |
COD | 40.00 | mg/l |
Fluoride | 0.14 | mg/l |
Magnesium | 8.06 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Phosphate-P | 0.002 | mg/l |
Potassium | 1.0 | mg/l |
Sodium | 2.40 | mg/l |
Sulphate | 14.00 | mg/l |
Total Alkalinity | 68.00 | mg/l |
Total Dissolved Solids(TDS) | 56.00 | mg/l |
Total Fixed Solids(TFS) | 134.00 | mg/l |
Total Hardness as CaCo3 | 84.00 | mg/l |
Total Suspended Solids(TSS) | 36.00 | mg/l |
Turbidity | NTU |