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: 16/02/2022 | Sample Time: 13:05 | |
Human Activities: Bathing and Washing . | Weather: Sunny and Clear. | Water Body: Jaldhaka |
Frequency Of Monitoring: Monthly | Use Based Class: B | Approximate Depth(Bottom/Table): 1.00 m |
Color & Intensity: Light Green and moderately turbid | Odour: Fishy. | Visible effluent discharge: None |
Water Quality | ||
---|---|---|
Parameter | Test Result | Unit |
Ammonia-N | BDL | mg/l |
BOD | 2.00 | mg/l |
Conductivity | 114.80 | µs/cm |
Dissolved O2(DO) | 8.30 | mg/l |
Fecal Coliform | 600 | MPN/100ml |
Fecal Streptococci | 46 | MPN/100ml |
Total Coliform | 800 | MPN/100ml |
Boron | 0.52 | mg/l |
Calcium | 19.23 | mg/l |
Chloride | 3.91 | mg/l |
COD | 15.90 | mg/l |
Fluoride | BDL | mg/l |
Magnesium | 12.09 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Phosphate-P | 0.007 | mg/l |
Potassium | 0.80 | mg/l |
Sodium | 1.20 | mg/l |
Sulphate | 9.05 | mg/l |
Total Alkalinity | 66.00 | mg/l |
Total Dissolved Solids(TDS) | 79.00 | mg/l |
Total Fixed Solids(TFS) | 78.00 | mg/l |
Total Hardness as CaCo3 | 90.00 | mg/l |
Total Suspended Solids(TSS) | 22.00 | mg/l |
Turbidity | 2.65 | NTU |
Nitrate-N | 0.39 | mg/l |
pH | 6.05 | Unit |
Temperature(Water) | 22 | ⁰C |