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: 24/11/2020 | Sample Time: 11:30 | |
Human Activities: Bathing and Washing . | Weather: Sunny | Water Body: Torsa |
Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
Color & Intensity: Light Green | Odour: Odour Free | Visible effluent discharge: None |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
Ammonia-N | mg/l | |
BOD | 2.10 | mg/l |
Conductivity | 60.26 | µs/cm |
Dissolved O2(DO) | 6.40 | mg/l |
Fecal Coliform | 3400 | MPN/100ml |
Fecal Streptococci | 220 | MPN/100ml |
Nitrate-N | 0.55 | mg/l |
pH | 7.32 | Unit |
Temperature(Water) | 26 | ⁰C |
Total Coliform | 13000 | MPN/100ml |
Boron | 1.69 | mg/l |
Calcium | 13.62 | mg/l |
Chloride | 0.98 | mg/l |
COD | 38.00 | mg/l |
Fluoride | mg/l | |
Magnesium | 5.18 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Phosphate-P | 0.025 | mg/l |
Potassium | 0.20 | mg/l |
Sodium | 0.90 | mg/l |
Sulphate | 9.86 | mg/l |
Total Alkalinity | 50.00 | mg/l |
Total Dissolved Solids(TDS) | 52.00 | mg/l |
Total Fixed Solids(TFS) | mg/l | |
Total Hardness as CaCo3 | 52.00 | mg/l |
Total Suspended Solids(TSS) | 44.00 | mg/l |
Turbidity | NTU |