West Bengal Pollution Control Board |
Siliguri Laboratory |
Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428. |
Station: River Raidak at Alipurduar | River Basin: Tista | CPCB Station Code: 4728 |
Sample Date: 19/06/2020 | Sample Time: 13:00 | |
Human Activities: Cattle wading. | Weather: Cloudy. | Water Body: Raidak |
Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
Color & Intensity: Clear Green | Odour: Fishy | Visible effluent discharge: Moderate |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
Total Hardness as CaCo3 | 98.00 | mg/l |
Total Suspended Solids(TSS) | 48.00 | mg/l |
Turbidity | NTU | |
Ammonia-N | mg/l | |
BOD | 1.20 | mg/l |
Conductivity | 78.23 | µs/cm |
Dissolved O2(DO) | 7.0 | mg/l |
Fecal Coliform | 900 | MPN/100ml |
Nitrate-N | mg/l | |
pH | 7.10 | Unit |
Temperature(Water) | 27 | ⁰C |
Total Coliform | 3400 | MPN/100ml |
Boron | 0.38 | mg/l |
Calcium | 20.04 | mg/l |
Chloride | 16.63 | mg/l |
COD | 24.00 | mg/l |
Fluoride | mg/l | |
Magnesium | 13.82 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Phosphate-P | 0.066 | mg/l |
Potassium | 1.10 | mg/l |
Sodium | 3.20 | mg/l |
Sulphate | 9.69 | mg/l |
Total Alkalinity | 82.00 | mg/l |
Total Dissolved Solids(TDS) | 52.00 | mg/l |
Total Fixed Solids(TFS) | mg/l |