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: 29/09/2021 | Sample Time: 13:50 | |
Human Activities: None | Weather: Cloudy,Foggy and Rainy. | Water Body: Sinchal lake |
Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 2.00 m |
Color & Intensity: Light Green and clear | Odour: Odour Free | Visible effluent discharge: None |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
BOD | 0.60 | mg/l |
Dissolved O2(DO) | 7.10 | mg/l |
Fecal Coliform | 80 | MPN/100ml |
Nitrate-N | 0.01 | mg/l |
pH | 7.05 | Unit |
Temperature(Water) | 16 | ⁰C |
Total Coliform | 170 | MPN/100ml |
Boron | 1.55 | mg/l |
Calcium | 3.20 | mg/l |
Chloride | 0.98 | mg/l |
COD | 6.00 | mg/l |
Fluoride | BDL | mg/l |
Magnesium | 1.73 | mg/l |
Phosphate-P | 0.001 | mg/l |
Potassium | BDL | mg/l |
Sodium | 0.10 | mg/l |
Sulphate | 1.93 | mg/l |
Total Alkalinity | 16.00 | mg/l |
Total Dissolved Solids(TDS) | 8.00 | mg/l |
Total Fixed Solids(TFS) | 40.00 | mg/l |
Total Hardness as CaCo3 | 14.00 | mg/l |
Total Suspended Solids(TSS) | 4.00 | mg/l |
Turbidity | 195.00 | NTU |
Ammonia-N | BDL | mg/l |
Conductivity | 13.67 | µs/cm |
Phenolpthalein Alkanity | NIL | mg/l |