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: 08/10/2020 | Sample Time: 16:50 | |
Human Activities: Horse riding | Weather: Sunny and Clear. | Water Body: Mirikh lake |
Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
Color & Intensity: Dark Green and turbid | Odour: Fishy and Septic. | Visible effluent discharge: Moderate |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
Total Alkalinity | 20.00 | mg/l |
Potassium | 1.40 | mg/l |
BOD | 2.80 | mg/l |
Ammonia-N | 0.21 | mg/l |
Conductivity | 52.10 | µs/cm |
Dissolved O2(DO) | 5.90 | mg/l |
Fecal Coliform | 3000 | MPN/100ml |
Nitrate-N | 1.66 | mg/l |
pH | 7.54 | Unit |
Temperature(Water) | 16 | ⁰C |
Total Coliform | 11000 | MPN/100ml |
Boron | 2.18 | mg/l |
Calcium | 1.60 | mg/l |
Chloride | 1.97 | mg/l |
COD | 44.00 | mg/l |
Fluoride | BDL | mg/l |
Magnesium | 2.30 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Phosphate-P | 0.015 | mg/l |
Sodium | 2.60 | mg/l |
Sulphate | 17.89 | mg/l |
Total Dissolved Solids(TDS) | 110.00 | mg/l |
Total Fixed Solids(TFS) | 28.00 | mg/l |
Total Hardness as CaCo3 | 12.00 | mg/l |
Total Suspended Solids(TSS) | 48.00 | mg/l |
Turbidity | 0.47 | NTU |