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: 18/07/2022 | Sample Time: 11:08 | |
Human Activities: None | Weather: Sunny and Clear. | Water Body: Jaldhaka |
Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
Color & Intensity: Moderately Brown and turbid | Odour: Fishy | Visible effluent discharge: None |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
Ammonia-N | 0.13 | mg/l |
BOD | 2.00 | mg/l |
Conductivity | 124.90 | µs/cm |
Dissolved O2(DO) | 6.70 | mg/l |
Fecal Coliform | 1700 | MPN/100ml |
Fecal Streptococci | 22 | MPN/100ml |
Nitrate-N | 0.07 | mg/l |
pH | 7.70 | Unit |
Temperature(Water) | 26 | ⁰C |
Total Coliform | 3300 | MPN/100ml |
Boron | 0.50 | mg/l |
Calcium | 16.80 | mg/l |
Chloride | 0.97 | mg/l |
COD | 33.28 | mg/l |
Fluoride | BDL | mg/l |
Magnesium | 6.80 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Phosphate-P | BDL | mg/l |
Potassium | 14.90 | mg/l |
Sodium | 5.30 | mg/l |
Sulphate | 10.66 | mg/l |
Total Alkalinity | 70.00 | mg/l |
Total Dissolved Solids(TDS) | 80.00 | mg/l |
Total Fixed Solids(TFS) | 1438.00 | mg/l |
Total Hardness as CaCo3 | 70.00 | mg/l |
Total Suspended Solids(TSS) | 1898.00 | mg/l |
Turbidity | 587.00 | NTU |