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: 13/06/2022 | Sample Time: 12:20 | |
Human Activities: None | Weather: Sunny and Clear. | 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 | BDL | mg/l |
BOD | 0.80 | mg/l |
Conductivity | 26.85 | µs/cm |
Dissolved O2(DO) | 7.40 | mg/l |
Fecal Coliform | 70 | MPN/100ml |
Nitrate-N | 0.68 | mg/l |
pH | 7.02 | Unit |
Temperature(Water) | 19 | ⁰C |
Total Coliform | 140 | MPN/100ml |
Boron | 2.93 | mg/l |
Calcium | 1.60 | mg/l |
Chloride | 0.97 | mg/l |
COD | 9.00 | mg/l |
Fluoride | BDL | mg/l |
Magnesium | 0.48 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Phosphate-P | 0.014 | mg/l |
Potassium | 0.80 | mg/l |
Sodium | 4.10 | mg/l |
Sulphate | 5.99 | mg/l |
Total Alkalinity | 18.00 | mg/l |
Total Dissolved Solids(TDS) | 10.00 | mg/l |
Total Fixed Solids(TFS) | 166.00 | mg/l |
Total Hardness as CaCo3 | 6.00 | mg/l |
Total Suspended Solids(TSS) | 4.00 | mg/l |
Turbidity | 1.53 | NTU |