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: 18/01/2022 | Sample Time: 11:00 | |
Human Activities: None | Weather: Cloudy. | 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: Odour Free | Visible effluent discharge: None |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
Ammonia-N | 0.18 | mg/l |
BOD | 0.80 | mg/l |
Conductivity | 19.03 | µs/cm |
Dissolved O2(DO) | 8.10 | mg/l |
Fecal Coliform | 80 | MPN/100ml |
Nitrate-N | 0.01 | mg/l |
pH | 7.58 | Unit |
Temperature(Water) | 8 | ⁰C |
Total Coliform | 140 | MPN/100ml |
Boron | 1.73 | mg/l |
Calcium | 8.82 | mg/l |
Chloride | 4.89 | mg/l |
COD | 11.00 | mg/l |
Fluoride | BDL | mg/l |
Magnesium | 2.88 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Phosphate-P | 0.011 | mg/l |
Potassium | 0.10 | mg/l |
Sodium | 0.60 | mg/l |
Sulphate | 2.07 | mg/l |
Total Alkalinity | 18.00 | mg/l |
Total Dissolved Solids(TDS) | 11.00 | mg/l |
Total Fixed Solids(TFS) | 26.00 | mg/l |
Total Hardness as CaCo3 | 32.00 | mg/l |
Total Suspended Solids(TSS) | 7.00 | mg/l |
Turbidity | 0.68 | NTU |