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: 14/08/2020 Sample Time: 13:30 Hrs  
Human Activities: Fishing. Weather: Cloudy Water Body: Teesta
Frequency Of Monitoring: Monthly Use Based Class: B Approximate Depth(Bottom/Table): 0.00 m 
Color & Intensity: Moderately Brown and Turbid Odour: Fishy Visible effluent discharge: None


Water Quality
Parameter Test Result Unit
  Ammonia-N   BDL   mg/l
  Conductivity   55.87   µs/cm
  Dissolved O2(DO)   7.40   mg/l
  Fecal Coliform   2700   MPN/100ml
  Nitrate-N   2.50   mg/l
  pH   7.12   Unit
  Temperature(Water)   29   ⁰C
  Total Coliform   11000   MPN/100ml
  Boron   5.42   mg/l
  Calcium   6.412   mg/l
  Chloride   0.97   mg/l
  COD   28.00   mg/l
  Fluoride   0.14   mg/l
  Magnesium   2.304   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.023   mg/l
  Potassium   5.10   mg/l
  Sodium   BDL   mg/l
  Sulphate   17.26   mg/l
  Total Alkalinity   28.0   mg/l
  Total Dissolved Solids(TDS)   50.0   mg/l
  Total Fixed Solids(TFS)   280.00   mg/l
  Total Hardness as CaCo3   24.00   mg/l
  Total Suspended Solids(TSS)   60.00   mg/l
  Turbidity   165.00   NTU
  BOD   0.80   mg/l