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: 27/08/2021 | Sample Time: 11:10 | |
Human Activities: None | Weather: Sunny and Clear. | Water Body: Torsa |
Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 2.00 m |
Color & Intensity: Moderately Brown and turbid | Odour: Fishy | Visible effluent discharge: None |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
Ammonia-N | 0.18 | mg/l |
BOD | 1.40 | mg/l |
Conductivity | 60.10 | µs/cm |
Dissolved O2(DO) | 6.80 | mg/l |
Fecal Coliform | 2700 | MPN/100ml |
Fecal Streptococci | 14 | MPN/100ml |
Nitrate-N | 0.03 | mg/l |
pH | 7.30 | Unit |
Temperature(Water) | 28 | ⁰C |
Total Coliform | 8000 | MPN/100ml |
Boron | 0.94 | mg/l |
Calcium | 15.23 | mg/l |
Chloride | 9.78 | mg/l |
COD | 12.00 | mg/l |
Fluoride | BDL | mg/l |
Magnesium | 8.64 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Phosphate-P | 0.001 | mg/l |
Potassium | 1.0 | mg/l |
Sodium | 0.40 | mg/l |
Sulphate | 5.42 | mg/l |
Total Alkalinity | 42.00 | mg/l |
Total Dissolved Solids(TDS) | 20.00 | mg/l |
Total Fixed Solids(TFS) | 522.00 | mg/l |
Total Hardness as CaCo3 | 68.0 | mg/l |
Total Suspended Solids(TSS) | 28.00 | mg/l |
Turbidity | 57.10 | NTU |