West Bengal Pollution Control Board |
Siliguri Laboratory |
Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428. |
Station: WATER RESERVIOR AT DELO | River Basin: Tista | CPCB Station Code: 2521 |
Sample Date: 14/05/2019 | Sample Time: 14:00 Hrs | |
Human Activities: None | Weather: Calm and sunny | Water Body: Delo lake |
Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
Color & Intensity: Light Green & Clear | Odour: Odour free | Visible effluent discharge: none |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
Sodium | 0.70 | mg/l |
Sulphate | 1.26 | mg/l |
Total Alkalinity | 20.00 | mg/l |
Total Dissolved Solids(TDS) | 22.00 | mg/l |
Total Fixed Solids(TFS) | <4.0 | mg/l |
Total Hardness as CaCo3 | 24.0 | mg/l |
Total Suspended Solids(TSS) | 12.00 | mg/l |
Turbidity | 1.36 | NTU |
Ammonia-N | BDL | mg/l |
BOD | 1.80 | mg/l |
Conductivity | 15.49 | µs/cm |
Dissolved O2(DO) | 6.50 | mg/l |
Fecal Coliform | 80 | MPN/100ml |
Nitrate-N | 0.19 | mg/l |
pH | 7.84 | Unit |
Temperature | 14 | ⁰C |
Total Coliform | 170 | MPN/100ml |
Boron | 0.003 | mg/l |
Calcium | 4.81 | mg/l |
Chloride | 5.87 | mg/l |
COD | 15.00 | mg/l |
Fluoride | BDL | mg/l |
Magnesium | 3.46 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Phosphate-P | 0.006 | mg/l |
Potassium | BDL | mg/l |