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: 09/12/2020 | Sample Time: 15:15 | |
Human Activities: None | Weather: Cloudy and foggy | Water Body: Lake |
Frequency Of Monitoring: Monthly | Use Based Class: A | Approximate Depth(Bottom/Table): 1.00 m |
Color & Intensity: Light Green | Odour: Odour Free | Visible effluent discharge: None |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
Ammonia-N | 0.17 | mg/l |
BOD | 1.20 | mg/l |
Conductivity | 62.93 | µs/cm |
Dissolved O2(DO) | 6.90 | mg/l |
Nitrate-N | 0.004 | mg/l |
pH | 7.40 | Unit |
Temperature(Water) | 8 | ⁰C |
Fecal Coliform | 70 | MPN/100ml |
Total Coliform | 120 | MPN/100ml |
Boron | 0.919 | mg/l |
Calcium | 19.23 | mg/l |
Chloride | 0.98 | mg/l |
COD | 22.00 | mg/l |
Fluoride | BDL | mg/l |
Magnesium | 4.60 | mg/l |
Phosphate-P | 0.001 | mg/l |
Potassium | BDL | mg/l |
Sodium | BDL | mg/l |
Sulphate | 9.86 | mg/l |
Total Alkalinity | 62.00 | mg/l |
Total Dissolved Solids(TDS) | 16.00 | mg/l |
Total Fixed Solids(TFS) | 28.00 | mg/l |
Total Hardness as CaCo3 | 14.00 | mg/l |
Total Kjeldahl Nitrogen(TKN) | mg/l | |
Total Suspended Solids(TSS) | 8.00 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Turbidity | 15.80 | NTU |