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: 25/10/2019 | Sample Time: 14:05 | |
Human Activities: Fish Feeding and Horse Riding. | Weather: Clear and Sunny | Water Body: Mirikh lake |
Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
Color & Intensity: Dark Green and Muddy | Odour: Rotten eggs | Visible effluent discharge: Moderate |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
Ammonia-N | BDL | mg/l |
Turbidity | 2.88 | NTU |
Total Suspended Solids(TSS) | 62.00 | mg/l |
Sulphate | 8.67 | mg/l |
Total Coliform | 9000 | MPN/100ml |
Boron | 0.008 | mg/l |
Dissolved O2(DO) | 6.80 | mg/l |
Fecal Coliform | 3300 | MPN/100ml |
Nitrate-N | 0.86 | mg/l |
pH | 6.80 | Unit |
Calcium | 12.83 | mg/l |
COD | 32.00 | mg/l |
Fluoride | BDL | mg/l |
Magnesium | 3.26 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Total Alkalinity | 36.00 | mg/l |
Phosphate-P | 0.027 | mg/l |
Potassium | 2.50 | mg/l |
Total Fixed Solids(TFS) | 68.00 | mg/l |
Total Hardness as CaCo3 | 46.00 | mg/l |
Temperature | 13 | ⁰C |
BOD | 2.80 | mg/l |
Chloride | 13.70 | mg/l |
Total Dissolved Solids(TDS) | 106.00 | mg/l |
Conductivity | 119.00 | µs/cm |
Sodium | 2.30 | mg/l |