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: 30/12/2019 | Sample Time: 11:40 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 Clear. | Odour: None | Visible effluent discharge: None. |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
Nitrate-N | 0.30 | mg/l |
Ammonia-N | 0.33 | mg/l |
BOD | 1.40 | mg/l |
Conductivity | 35.73 | µs/cm |
Dissolved O2(DO) | 7.20 | mg/l |
Fecal Coliform | 70 | MPN/100ml |
pH | 7.15 | Unit |
Total Hardness as CaCo3 | 30.0 | mg/l |
Total Kjeldahl Nitrogen(TKN) | mg/l | |
Total Suspended Solids(TSS) | 6.00 | mg/l |
Turbidity | 2.29 | NTU |
Temperature | 10 | ⁰C |
Total Coliform | 120 | MPN/100ml |
COD | 23.00 | mg/l |
Boron | 0.002 | mg/l |
Calcium | 8.82 | mg/l |
Fluoride | BDL | mg/l |
Magnesium | 2.30 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Phosphate-P | 0.003 | mg/l |
Sodium | BDL | mg/l |
Sulphate | 1.29 | mg/l |
Total Alkalinity | 24.00 | mg/l |
Total Dissolved Solids(TDS) | 22.00 | mg/l |
Total Fixed Solids(TFS) | 46.00 | mg/l |
Chloride | 11.74 | mg/l |
Potassium | 1.10 | mg/l |