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: 27/04/2021 | Sample Time: 14:20 | |
Human Activities: None | Weather: Sunny and Clear. | Water Body: Torsa |
Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
Color & Intensity: Light Green | Odour: Fishy | Visible effluent discharge: None |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
Ammonia-N | 0.10 | mg/l |
BOD | 1.20 | mg/l |
Conductivity | 118.05 | µs/cm |
Dissolved O2(DO) | 6.90 | mg/l |
Fecal Coliform | 2700 | MPN/100ml |
Fecal Streptococci | 24 | MPN/100ml |
Nitrate-N | 0.51 | mg/l |
pH | 7.56 | Unit |
Temperature(Water) | 30 | ⁰C |
Total Coliform | 14000 | MPN/100ml |
Boron | 1.61 | mg/l |
Calcium | 21.64 | mg/l |
Phosphate-P | 0.005 | mg/l |
Potassium | 4.60 | mg/l |
Sodium | 3.40 | mg/l |
Sulphate | 13.05 | mg/l |
Total Alkalinity | 70.00 | mg/l |
Total Dissolved Solids(TDS) | 62.00 | mg/l |
Total Fixed Solids(TFS) | 106.00 | mg/l |
Total Hardness as CaCo3 | 54.0 | mg/l |
Total Suspended Solids(TSS) | 32.00 | mg/l |
Turbidity | 4.68 | NTU |
Arsenic | BDL | mg/l |
Cadmium | BDL | mg/l |
Chromium Total | BDL | mg/l |
Copper | BDL | mg/l |
Iron | BDL | mg/l |
Lead | BDL | mg/l |
Mercury | BDL | mg/l |
Nickel | BDL | mg/l |
Zinc | BDL | mg/l |
a-BHC | ppb | |
a-Endosulphan | ppb | |
Aldrin | ppb | |
Anilophos | ppb | |
b-Endosulphan | ppb | |
Chlorpyriphos | ppb | |
Dieldrin | ppb | |
g-BHC | ppb | |
Malathion | ppb | |
Methyl Parathion | ppb | |
o,p-DDT | ppb | |
p,p-DDT | ppb | |
Chloride | 14.68 | mg/l |
COD | 38.00 | mg/l |
Fluoride | 0.13 | mg/l |
Magnesium | 13.24 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |