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: 30/12/2019 | Sample Time: 13:10 Hrs | |
Human Activities: None | Weather: Cloudy | 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 |
pH | 7.20 | Unit |
Temperature | 4 | ⁰C |
Total Coliform | 140 | MPN/100ml |
Boron | 0.002 | mg/l |
Calcium | 4.81 | mg/l |
Dissolved O2(DO) | 7.40 | mg/l |
Fecal Coliform | 80 | MPN/100ml |
Ammonia-N | 0.29 | mg/l |
Conductivity | 14.94 | µs/cm |
BOD | 1.20 | mg/l |
Nitrate-N | 2.25 | mg/l |
Chloride | 6.85 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Magnesium | 1.15 | mg/l |
Phosphate-P | 0.010 | mg/l |
Potassium | 0.20 | mg/l |
Sodium | BDL | mg/l |
Sulphate | 2.34 | mg/l |
Total Alkalinity | 28.00 | mg/l |
Total Dissolved Solids(TDS) | 18.00 | mg/l |
Total Hardness as CaCo3 | 16.00 | mg/l |
Total Suspended Solids(TSS) | 12.00 | mg/l |
Turbidity | 1.15 | NTU |
COD | 19.00 | mg/l |
Fluoride | BDL | mg/l |
Total Fixed Solids(TFS) | 34.00 | mg/l |