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: 07/10/2020 Sample Time: 11:00  
Human Activities: None Weather: Sunny and Clear. Water Body: Teesta
Frequency Of Monitoring: Monthly Use Based Class: B Approximate Depth(Bottom/Table): 1.00 m 
Color & Intensity: Light Green and clear Odour: Fishy Visible effluent discharge: None


Water Quality
Parameter Test Result Unit
  Total Hardness as CaCo3   44.00   mg/l
  Total Suspended Solids(TSS)   46.00   mg/l
  Dissolved O2(DO)   7.20   mg/l
  Ammonia-N   BDL   mg/l
  Fecal Coliform   2200   MPN/100ml
  BOD   1.50   mg/l
  Nitrate-N   1.14   mg/l
  pH   6.92   Unit
  Temperature(Water)   28   ⁰C
  Boron   3.29   mg/l
  Calcium   14.43   mg/l
  Turbidity   3.78   NTU
  Chloride   4.89   mg/l
  COD   30.00   mg/l
  Fluoride   0.17   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Conductivity   62.04   µs/cm
  Phosphate-P   0.014   mg/l
  Potassium   3.20   mg/l
  Sodium   6.20   mg/l
  Sulphate   9.47   mg/l
  Total Alkalinity   42.00   mg/l
  Total Dissolved Solids(TDS)   92.00   mg/l
  Magnesium   4.61   mg/l
  Total Coliform   9000   MPN/100ml
  Total Fixed Solids(TFS)   14.00   mg/l