West Bengal Pollution Control Board |
Siliguri Laboratory |
Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428. |
Station: Jorepokhari lake at Sukhiapokhari | River Basin: GANGA | CPCB Station Code: 4729 |
Sample Date: 08/10/2020 | Sample Time: 15:30 | |
Human Activities: None | Weather: Cloudy. | Water Body: Lake |
Frequency Of Monitoring: Monthly | Use Based Class: A | Approximate Depth(Bottom/Table): 1.00 m |
Color & Intensity: Light Green and clear | Odour: Odour Free | Visible effluent discharge: None |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
Temperature(Water) | 11 | ⁰C |
Total Coliform | 170 | MPN/100ml |
Boron | 0.24 | mg/l |
Calcium | 8.82 | mg/l |
Chloride | 8.81 | mg/l |
COD | 8.00 | mg/l |
Fluoride | BDL | mg/l |
Magnesium | 4.03 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Phosphate-P | 0.011 | mg/l |
Potassium | BDL | mg/l |
Sodium | BDL | mg/l |
Sulphate | 16.42 | mg/l |
Total Alkalinity | 30.00 | mg/l |
Total Dissolved Solids(TDS) | 10.00 | mg/l |
Ammonia-N | BDL | mg/l |
BOD | 1.20 | mg/l |
Conductivity | 14.12 | µs/cm |
Dissolved O2(DO) | 7.40 | mg/l |
Fecal Coliform | 70 | MPN/100ml |
Nitrate-N | 0.38 | mg/l |
pH | 7.25 | Unit |
Total Hardness as CaCo3 | 36.00 | mg/l |
Total Kjeldahl Nitrogen(TKN) | mg/l | |
Total Fixed Solids(TFS) | 26.00 | mg/l |
Total Suspended Solids(TSS) | 6.00 | mg/l |
Turbidity | 7.48 | NTU |