West Bengal Pollution Control Board |
Siliguri Laboratory |
Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428. |
Station: Jorepokhari lake at Sukhiapokhari | River Basin: GANGA | CPCB Station Code: 4729 |
Sample Date: 22/04/2021 | Sample Time: 14:20 | |
Human Activities: None | Weather: Cloudy and Rainy. | Water Body: Lake |
Frequency Of Monitoring: Monthly | Use Based Class: A | Approximate Depth(Bottom/Table): 1.00 m |
Color & Intensity: Light Green and clear | Odour: None | Visible effluent discharge: None |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
Ammonia-N | 0.99 | mg/l |
BOD | 0.50 | mg/l |
Dissolved O2(DO) | 7.40 | mg/l |
Fecal Coliform | 90 | MPN/100ml |
Nitrate-N | 0.11 | mg/l |
Total Coliform | 170 | MPN/100ml |
Total Dissolved Solids(TDS) | 28.00 | mg/l |
p,p-DDT | ppb | |
Nickel | BDL | mg/l |
pH | 7.34 | Unit |
Temperature(Water) | 11 | ⁰C |
Boron | 0.10 | mg/l |
Calcium | 8.82 | mg/l |
Chloride | 2.94 | mg/l |
Fluoride | BDL | mg/l |
Magnesium | 4.03 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Phosphate-P | 0.001 | mg/l |
Potassium | BDL | mg/l |
Sodium | BDL | mg/l |
Sulphate | 3.16 | mg/l |
Total Alkalinity | 30.00 | mg/l |
Total Fixed Solids(TFS) | 12.00 | mg/l |
Total Hardness as CaCo3 | 36.00 | mg/l |
Total Kjeldahl Nitrogen(TKN) | mg/l | |
Total Suspended Solids(TSS) | 12.00 | mg/l |
Turbidity | 0.62 | 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 |
Zinc | 0.34 | 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 | |
Conductivity | 42.61 | µs/cm |
COD | 12.00 | mg/l |