West Bengal Pollution Control Board |
Siliguri Laboratory |
Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428. |
Station: MIRIKH LAKE | River Basin: Tista | CPCB Station Code: 2520 |
Sample Date: 09/12/2020 | Sample Time: 16:30 | |
Human Activities: None | Weather: Cloudy and foggy | Water Body: Mirikh lake |
Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
Color & Intensity: Moderately green | Odour: Fishy | Visible effluent discharge: Moderate |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
Phenolpthalein Alkanity | NIL | mg/l |
Total Suspended Solids(TSS) | 8.00 | mg/l |
Conductivity | 61.38 | µs/cm |
Fecal Coliform | 2600 | MPN/100ml |
Nitrate-N | 0.014 | mg/l |
pH | 7.16 | Unit |
Temperature(Water) | 8 | ⁰C |
Total Coliform | 5000 | MPN/100ml |
Boron | 2.90 | mg/l |
Calcium | 8.02 | mg/l |
COD | 43.00 | mg/l |
Fluoride | BDL | mg/l |
BOD | 1.90 | mg/l |
Magnesium | 8.06 | mg/l |
Phosphate-P | 0.012 | mg/l |
Potassium | 2.10 | mg/l |
Sodium | 6.80 | mg/l |
Sulphate | 21.00 | mg/l |
Total Alkalinity | 40.00 | mg/l |
Total Dissolved Solids(TDS) | 17.00 | mg/l |
Total Fixed Solids(TFS) | 58.00 | mg/l |
Total Hardness as CaCo3 | 48.00 | mg/l |
Turbidity | 13.40 | NTU |
Ammonia-N | 0.18 | mg/l |
Dissolved O2(DO) | 6.70 | mg/l |
Chloride | 5.87 | mg/l |