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: 26/02/2020 | Sample Time: 15:15 Hrs | |
Human Activities: None | Weather: Sunny and Clear | Water Body: Lake |
Frequency Of Monitoring: Monthly | Use Based Class: A | Approximate Depth(Bottom/Table): 1.00 m |
Color & Intensity: Light Green and Slightly Turbid | Odour: None | Visible effluent discharge: None |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
Fecal Coliform | 120 | MPN/100ml |
Nitrate-N | 0.99 | mg/l |
pH | 7.98 | Unit |
Total Coliform | 260 | MPN/100ml |
Boron | 11.13 | mg/l |
Calcium | 28.85 | mg/l |
COD | 10.0 | mg/l |
Fluoride | BDL | mg/l |
Magnesium | 1.72 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Potassium | 0.80 | mg/l |
Sulphate | 2.68 | mg/l |
Total Alkalinity | 76.00 | mg/l |
Total Dissolved Solids(TDS) | 240.00 | mg/l |
Total Hardness as CaCo3 | 78.00 | mg/l |
Total Kjeldahl Nitrogen(TKN) | mg/l | |
Total Suspended Solids(TSS) | 24.00 | mg/l |
Turbidity | 8.56 | NTU |
BOD | 1.30 | mg/l |
Dissolved O2(DO) | 7.20 | mg/l |
Conductivity | 135.00 | µs/cm |
Sodium | 3.20 | mg/l |
Temperature | 5 | ⁰C |
Chloride | 2.93 | mg/l |
Phosphate-P | BDL | mg/l |
Total Fixed Solids(TFS) | 126.00 | mg/l |
Ammonia-N | 0.37 | mg/l |