West Bengal Pollution Control Board |
Siliguri Laboratory |
Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428. |
Station: River Jaldhaka at Dhupguri | River Basin: Tista | CPCB Station Code: 4717 |
Sample Date: 02/02/2021 | Sample Time: 16:00 Hrs | |
Human Activities: Bathing,Washing and fishing | Weather: sunny | Water Body: Jaldhaka |
Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
Color & Intensity: light Green and Clear | Odour: None | Visible effluent discharge: None |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
Ammonia-N | 0.38 | mg/l |
BOD | 1.20 | mg/l |
Conductivity | 72.18 | µs/cm |
Dissolved O2(DO) | 6.80 | mg/l |
Fecal Coliform | 2300 | MPN/100ml |
Fecal Streptococci | 25 | MPN/100ml |
pH | 7.10 | Unit |
Temperature(Water) | 20 | ⁰C |
Total Coliform | 11000 | MPN/100ml |
Boron | 2.52 | mg/l |
Calcium | 10.42 | mg/l |
Chloride | 4.89 | mg/l |
COD | 56.00 | mg/l |
Fluoride | 0.17 | mg/l |
Magnesium | 5.18 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Phosphate-P | 0.005 | mg/l |
Potassium | 1.40 | mg/l |
Sodium | 1.50 | mg/l |
Sulphate | 11.56 | mg/l |
Total Alkalinity | 24.00 | mg/l |
Total Dissolved Solids(TDS) | 58.00 | mg/l |
Total Fixed Solids(TFS) | 82.00 | mg/l |
Total Hardness as CaCo3 | 44.00 | mg/l |
Total Suspended Solids(TSS) | 58.00 | mg/l |
Turbidity | NTU | |
Nitrate-N | 0.04 | mg/l |