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: 18/03/2019 | Sample Time: 14:45 Hrs | |
Human Activities: None | Weather: Clear and windy | Water Body: Delo lake |
Frequency Of Monitoring: Quarterly | Use Based Class: C | 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 |
Boron | 0.007 | mg/l |
Calcium | 4.80 | mg/l |
Chloride | 13.69 | mg/l |
COD | 23.00 | mg/l |
Fluoride | BDL | mg/l |
Magnesium | 4.03 | mg/l |
Phenolpthalein Alkanity | Nil | mg/l |
Phosphate-P | 0.008 | mg/l |
Potassium | 0.80 | mg/l |
Sodium | 2.30 | mg/l |
Sulphate | 1.15 | mg/l |
Total Alkalinity | 16.00 | mg/l |
Total Dissolved Solids(TDS) | 28.00 | mg/l |
Total Fixed Solids(TFS) | 32.0 | mg/l |
Total Hardness as CaCo3 | 26.00 | mg/l |
Total Suspended Solids(TSS) | 14.00 | mg/l |
Turbidity | 1.05 | NTU |
Ammonia-N | 0.16 | mg/l |
BOD | 1.20 | mg/l |
Conductivity | 26.32 | µs/cm |
Dissolved O2(DO) | 8.30 | mg/l |
Fecal Coliform | 120 | MPN/100ml |
Nitrate-N | 0.39 | mg/l |
pH | 7.11 | Unit |
Temperature | 14 | ⁰C |
Total Coliform | 330 | MPN/100ml |