West Bengal Pollution Control Board |
Siliguri Laboratory |
Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428. |
Station: SINCHAL LAKE FOR DARJEELING | River Basin: Tista | CPCB Station Code: 2522 |
Sample Date: 12/04/2019 | Sample Time: 12:45 | |
Human Activities: Water Abstraction | Weather: Clear and Sunny | Water Body: Sinchal lake |
Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
Color & Intensity: Clear and Light Green | Odour: Odour free | Visible effluent discharge: None |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
Copper | BDL | µg/l |
g-BHC | NT | ppb |
Malathion | BDL | ppb |
Methyl Parathion | NT | ppb |
o,p-DDT | NT | ppb |
p,p-DDT | NT | ppb |
Conductivity | 36.24 | µs/cm |
Dissolved O2(DO) | 7.70 | mg/l |
Fecal Coliform | 110 | MPN/100ml |
Nitrate-N | 0.56 | mg/l |
pH | 7.10 | Unit |
Magnesium | 0.57 | mg/l |
Lead | BDL | µg/l |
Phosphate-P | 0.008 | mg/l |
Total Coliform | 220 | MPN/100ml |
Boron | 0.002 | mg/l |
Calcium | 3.20 | mg/l |
Sodium | 2.92 | mg/l |
Chloride | 7.83 | mg/l |
Fluoride | BDL | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Sulphate | 1.28 | mg/l |
Total Alkalinity | 10.00 | mg/l |
Total Dissolved Solids(TDS) | 14.00 | mg/l |
a-Endosulphan | NT | ppb |
Zinc | BDL | µg/l |
COD | 10.00 | mg/l |
Potassium | BDL | mg/l |
Temperature | 7 | ⁰C |
Total Hardness as CaCo3 | 10.00 | mg/l |
Total Suspended Solids(TSS) | 8 | mg/l |
Mercury | BDL | µg/l |
Nickel | BDL | µg/l |
a-BHC | NT | ppb |
Aldrin | BDL | ppb |
Anilophos | NT | ppb |
b-Endosulphan | NT | ppb |
Chlorpyriphos | NT | ppb |
Dieldrin | NT | ppb |
BOD | 0.90 | mg/l |
Total Fixed Solids(TFS) | 30.0 | mg/l |
Turbidity | 3.88 | NTU |
Arsenic | BDL | µg/l |
Cadmium | BDL | µg/l |
Chromium Total | BDL | µg/l |
Iron | BDL | mg/l |
Ammonia-N | BDL | mg/l |