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: 23/03/2022 | Sample Time: 09:53 | |
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 | 1.10 | mg/l |
Conductivity | 115.30 | µs/cm |
Dissolved O2(DO) | 8.10 | mg/l |
Fecal Coliform | 1100 | MPN/100ml |
Fecal Streptococci | 58 | MPN/100ml |
Nitrate-N | 1.46 | mg/l |
pH | 6.50 | Unit |
Temperature(Water) | 27 | ⁰C |
Total Coliform | 2100 | MPN/100ml |
Boron | 0.59 | mg/l |
Calcium | 16.80 | mg/l |
Chloride | 4.89 | mg/l |
COD | 9.20 | mg/l |
Fluoride | BDL | mg/l |
Magnesium | 4.86 | mg/l |
Phenolpthalein Alkanity | NIL | mg/l |
Phosphate-P | 0.008 | mg/l |
Potassium | 1.40 | mg/l |
Sodium | 1.80 | mg/l |
Sulphate | 10.58 | mg/l |
Total Alkalinity | 68.00 | mg/l |
Total Dissolved Solids(TDS) | 68.00 | mg/l |
Total Fixed Solids(TFS) | 120.00 | mg/l |
Total Hardness as CaCo3 | 62.00 | mg/l |
Total Suspended Solids(TSS) | 7.00 | mg/l |
Turbidity | 2.47 | NTU |