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: 22/07/2020 | Sample Time: 13:10 | |
Human Activities: None | Weather: Sunny | Water Body: Lake |
Frequency Of Monitoring: Monthly | Use Based Class: A | Approximate Depth(Bottom/Table): 1.00 m |
Color & Intensity: Clear and Light Green | Odour: None | Visible effluent discharge: None |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
BOD | 1.00 | mg/l |
pH | 7.10 | Unit |
Fluoride | BDL | mg/l |
Magnesium | 2.30 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Phosphate-P | 0.031 | mg/l |
Potassium | BDL | mg/l |
Sulphate | 2.77 | mg/l |
Total Dissolved Solids(TDS) | 20.00 | mg/l |
Total Fixed Solids(TFS) | 28.00 | mg/l |
Total Hardness as CaCo3 | 30.00 | mg/l |
Chloride | 4.89 | mg/l |
Total Alkalinity | 76.00 | mg/l |
Turbidity | 0.49 | NTU |
Total Suspended Solids(TSS) | 14.00 | mg/l |
Ammonia-N | BDL | mg/l |
Conductivity | 38.02 | µs/cm |
Dissolved O2(DO) | 7.60 | mg/l |
Nitrate-N | 0.38 | mg/l |
Temperature(Water) | 11 | ⁰C |
Total Coliform | 140 | MPN/100ml |
Boron | 0.39 | mg/l |
Calcium | 8.82 | mg/l |
COD | 10.00 | mg/l |
Total Kjeldahl Nitrogen(TKN) | mg/l | |
Fecal Coliform | 60 | MPN/100ml |
Sodium | BDL | mg/l |