West Bengal Pollution Control Board |
Siliguri Laboratory |
Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428. |
Station: Water Reservior St. Helens School | River Basin: GANGA | CPCB Station Code: 4725 |
Sample Date: 10/08/2020 | Sample Time: 09:10 Hrs | |
Human Activities: none | Weather: Cloudy and slightly raining | Water Body: Lake |
Frequency Of Monitoring: Monthly | Use Based Class: B | 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 |
Phosphate-P | 0.011 | mg/l |
Potassium | 0.90 | mg/l |
Total Fixed Solids(TFS) | 64.00 | mg/l |
Sulphate | 4.63 | mg/l |
Sodium | 2.60 | mg/l |
Total Alkalinity | 56.00 | mg/l |
Fecal Coliform | 1300 | MPN/100ml |
Nitrate-N | 2.76 | mg/l |
BOD | 2.10 | mg/l |
Conductivity | 32.15 | µs/cm |
Dissolved O2(DO) | 7.40 | mg/l |
Calcium | 20.04 | mg/l |
Temperature(Water) | 27 | ⁰C |
Total Coliform | 3400 | MPN/100ml |
Boron | 3.14 | mg/l |
Chloride | 5.87 | mg/l |
COD | 19.00 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Fluoride | 0.15 | mg/l |
Total Suspended Solids(TSS) | 34.00 | mg/l |
Total Dissolved Solids(TDS) | 50.00 | mg/l |
Total Hardness as CaCo3 | 60.00 | mg/l |
Turbidity | 29.10 | NTU |
Ammonia-N | BDL | mg/l |
pH | 7.23 | Unit |
Magnesium | 2.88 | mg/l |