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: 17/01/2019 | Sample Time: 11:00 | |
Human Activities: None | Weather: Windy | Water Body: Sinchal 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 |
BOD | 1.20 | mg/l |
Dissolved O2(DO) | 6.80 | mg/l |
Conductivity | 12.68 | µs/cm |
Fecal Coliform | 70 | MPN/100ml |
Nitrate-N | 0.29 | mg/l |
pH | 7.10 | Unit |
Temperature | 3 | ⁰C |
Total Coliform | 110 | MPN/100ml |
Boron | 0.014 | mg/l |
Calcium | 3.21 | mg/l |
Chloride | 17.83 | mg/l |
COD | 17.00 | mg/l |
Fluoride | BDL | mg/l |
Magnesium | 1.68 | mg/l |
Phenolpthalein Alkanity | Nil | mg/l |
Phosphate-P | 0.010 | mg/l |
Potassium | BDL | mg/l |
Sodium | 4.02 | mg/l |
Sulphate | 1.55 | mg/l |
Total Alkalinity | 10.00 | mg/l |
Total Dissolved Solids(TDS) | 20.00 | mg/l |
Total Fixed Solids(TFS) | 98.0 | mg/l |
Total Hardness as CaCo3 | 14.00 | mg/l |
Total Suspended Solids(TSS) | 10.0 | mg/l |
Turbidity | 10.50 | NTU |
Ammonia-N | 0.61 | mg/l |