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: 22/10/2019 | Sample Time: 14:20 | |
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: Clear and Light Green | Odour: Odour free | Visible effluent discharge: None |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
Total Alkalinity | 45.00 | mg/l |
Total Dissolved Solids(TDS) | 22.00 | mg/l |
BOD | 0.80 | mg/l |
Conductivity | 95.69 | µs/cm |
Dissolved O2(DO) | 7.20 | mg/l |
Fecal Coliform | 90 | MPN/100ml |
Nitrate-N | 0.26 | mg/l |
pH | 7.20 | Unit |
Temperature | 14 | ⁰C |
Total Coliform | 170 | MPN/100ml |
Boron | 0.004 | mg/l |
Calcium | 4.01 | mg/l |
Chloride | 23.48 | mg/l |
COD | 18.00 | mg/l |
Fluoride | BDL | mg/l |
Magnesium | 0.46 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Total Fixed Solids(TFS) | 188.00 | mg/l |
Total Hardness as CaCo3 | 12.00 | mg/l |
Total Suspended Solids(TSS) | 14.00 | mg/l |
Turbidity | 17.60 | NTU |
Ammonia-N | BDL | mg/l |
Phosphate-P | 0.008 | mg/l |
Potassium | 2.00 | mg/l |
Sodium | 8.10 | mg/l |
Sulphate | 5.06 | mg/l |