West Bengal Pollution Control Board

Siliguri Laboratory

Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428.



Station: River Teesta at Jalpesh River Basin: Tista CPCB Station Code: 4723
Sample Date: 17/03/2020 Sample Time: 11:40 Hrs  
Human Activities: Conctruction of Bridge and Fishing. Weather: Sunny Water Body: Teesta
Frequency Of Monitoring: Monthly Use Based Class: B Approximate Depth(Bottom/Table): 1.00 m 
Color & Intensity: Moderately Green and Slightly Turbid Odour: Fishy Visible effluent discharge: None.


Water Quality
Parameter Test Result Unit
  Conductivity   86.41   µs/cm
  Dissolved O2(DO)   7.60   mg/l
  Fecal Coliform   2200   MPN/100ml
  Nitrate-N      mg/l
  pH   6.80   Unit
  Total Coliform   5000   MPN/100ml
  Boron   12.41   mg/l
  Calcium   4.81   mg/l
  Chloride   8.80   mg/l
  COD   42.00   mg/l
  Fluoride      mg/l
  Magnesium   3.46   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.001   mg/l
  Potassium   2.30   mg/l
  Sodium   5.80   mg/l
  Sulphate   6.52   mg/l
  Total Alkalinity   42.00   mg/l
  Total Dissolved Solids(TDS)   182.00   mg/l
  Total Fixed Solids(TFS)      mg/l
  Total Hardness as CaCo3   24.00   mg/l
  Total Suspended Solids(TSS)   62.00   mg/l
  Turbidity      NTU
  Temperature   24   ⁰C
  BOD   1.90   mg/l
  Ammonia-N      mg/l