West Bengal Pollution Control Board |
Siliguri Laboratory |
Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428. |
Station: WATER RESERVIOR AT DELO | River Basin: Tista | CPCB Station Code: 2521 |
Sample Date: 28/04/2021 | Sample Time: 13:10 | |
Human Activities: None | Weather: Sunny and Clear. | Water Body: Delo lake |
Frequency Of Monitoring: Quarterly | Use Based Class: C | 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 |
Conductivity | 36.00 | µs/cm |
Total Dissolved Solids(TDS) | 24.00 | mg/l |
p,p-DDT | ppb | |
Ammonia-N | BDL | mg/l |
BOD | 0.50 | mg/l |
Dissolved O2(DO) | 7.40 | mg/l |
o,p-DDT | ppb | |
Aldrin | ppb | |
Fecal Coliform | 70 | MPN/100ml |
Nitrate-N | 0.04 | mg/l |
pH | 6.88 | Unit |
Temperature(Water) | 18 | ⁰C |
Total Coliform | 140 | MPN/100ml |
Boron | 1.05 | mg/l |
Calcium | 8.82 | mg/l |
Chloride | 3.91 | mg/l |
COD | 12.00 | mg/l |
Fluoride | BDL | mg/l |
Magnesium | 0.58 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Phosphate-P | 0.002 | mg/l |
Potassium | 4.20 | mg/l |
Sodium | 8.60 | mg/l |
Anilophos | ppb | |
b-Endosulphan | ppb | |
Chlorpyriphos | ppb | |
Sulphate | 1.89 | mg/l |
Total Alkalinity | 20.00 | mg/l |
Total Fixed Solids(TFS) | 4.00 | mg/l |
Total Hardness as CaCo3 | 22.00 | mg/l |
Total Suspended Solids(TSS) | 12.00 | mg/l |
Turbidity | 2.05 | 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 | |
Dieldrin | ppb | |
g-BHC | ppb | |
Malathion | ppb | |
a-Endosulphan | ppb | |
Methyl Parathion | ppb |