West Bengal Pollution Control Board |
Siliguri Laboratory |
Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428. |
Station: MAHANANDA AT SILIGURI | River Basin: Mahananda | CPCB Station Code: 1946 |
Sample Date: 17/08/2020 | Sample Time: 14:15 Hrs | |
Human Activities: Fishing,Car washing ,Bathing. | Weather: Cloudy | Water Body: Mahananda at Siliguri |
Frequency Of Monitoring: Quarterly | Use Based Class: C | Approximate Depth(Bottom/Table): 1.00 m |
Color & Intensity: Moderately green and moderately Turbid | Odour: Fishy | Visible effluent discharge: Moderate |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
Conductivity | 121.40 | µs/cm |
Dissolved O2(DO) | 6.90 | mg/l |
Fecal Coliform | 7000 | MPN/100ml |
Temperature(Water) | 30 | ⁰C |
Total Coliform | 17000 | MPN/100ml |
Boron | 3.97 | mg/l |
Calcium | 16.03 | mg/l |
COD | 56.00 | mg/l |
Magnesium | 0.24 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Phosphate-P | 0.028 | mg/l |
Potassium | 6.1 | mg/l |
Sodium | 5.0 | mg/l |
Sulphate | 11.37 | mg/l |
Total Alkalinity | 60.00 | mg/l |
Total Dissolved Solids(TDS) | 112.0 | mg/l |
Total Suspended Solids(TSS) | 52.00 | mg/l |
Turbidity | 51.30 | NTU |
Ammonia-N | 0.91 | mg/l |
Chloride | 6.85 | mg/l |
Nitrate-N | 1.17 | mg/l |
Total Fixed Solids(TFS) | 276.00 | mg/l |
BOD | 2.20 | mg/l |
Total Hardness as CaCo3 | 40.0 | mg/l |
Fluoride | 0.24 | mg/l |
pH | 6.05 | Unit |