West Bengal Pollution Control Board

Siliguri Laboratory

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



Station: TEESTA AT SEVOKE River Basin: Tista CPCB Station Code: 1947
Sample Date: 21/06/2019 Sample Time: 10:45  
Human Activities: Construction of Side Walls at Mungpung area. Weather: Sunny and Clear Water Body: TEESTA AT SILIGURI
Frequency Of Monitoring: Quarterly Use Based Class: C Approximate Depth(Bottom/Table): 1.00 m 
Color & Intensity: Moderately Brown Odour: Fishy Visible effluent discharge: None


Water Quality
Parameter Test Result Unit
  Fecal Coliform   3400   MPN/100ml
  Dissolved O2(DO)   7.80   mg/l
  Conductivity   149.80   µs/cm
  Ammonia-N   BDL   mg/l
  Phosphate-P   0.089   mg/l
  Potassium   4.40   mg/l
  Sodium   1.40   mg/l
  Nitrate-N   0.41   mg/l
  Total Coliform   8000   MPN/100ml
  Temperature   19   ⁰C
  Total Alkalinity   52.00   mg/l
  Total Dissolved Solids(TDS)   111.00   mg/l
  Total Fixed Solids(TFS)   23.00   mg/l
  Total Hardness as CaCo3   40.00   mg/l
  Total Suspended Solids(TSS)   599.00   mg/l
  Turbidity   50.50   NTU
  BOD   1.80   mg/l
  Sulphate   14.06   mg/l
  Calcium   12.02   mg/l
  Chloride   10.76   mg/l
  COD   21.05   mg/l
  pH   8.14   Unit
  Boron   0.007   mg/l
  Fluoride   0.17   mg/l
  Magnesium   2.88   mg/l
  Phenolpthalein Alkanity   NIL   mg/l