West Bengal Pollution Control Board

Central Laboratory

Paribesh Bhawan, 10A, Block LA, Sector III, Salt Lake City, Kolkata 700 106. (033) 2335-5953



Station: GANGA AT GARDEN REACH, WEST BENGAL River Basin: GANGA CPCB Station Code: 1470
Sample Date: 23/04/2019 Sample Time: 12:15  
Human Activities: Bathing & Washing Weather: Sunny Water Body: Ganga
Frequency Of Monitoring: Quarterly Use Based Class: C Approximate Depth(Bottom/Table): 2.00 m 
Color & Intensity: Muddy Odour: Odour free Visible effluent discharge: Moderate


Water Quality
Parameter Test Result Unit
  Ammonia-N   BDL   mg/l
  Total Coliform   220000   MPN/100ml
  Sulphate   26.07   mg/l
  Nitrite N   0.02   mg/l
  Dissolved O2(DO)   5.2   mg/l
  Fecal Coliform   170000   MPN/100ml
  Nitrate-N   0.38   mg/l
  pH   7.94   Unit
  Temperature   31   ⁰C
  Boron   BDL   mg/l
  Calcium   29.80   mg/l
  Chloride   19.99   mg/l
  COD   10.58   mg/l
  Fluoride   0.35   mg/l
  Magnesium   12.86   mg/l
  Phenolpthalein Alkanity   0   mg/l
  Phosphate-P   0.09   mg/l
  Potassium   4.29   mg/l
  Sodium   40.22   mg/l
  Total Alkalinity   134.0   mg/l
  Total Dissolved Solids(TDS)   265.0   mg/l
  Total Fixed Solids(TFS)   254.0   mg/l
  Total Hardness as CaCo3   127.45   mg/l
  Total Kjeldahl Nitrogen(TKN)      mg/l
  Total Suspended Solids(TSS)   72.0   mg/l
  Turbidity   75.6   NTU
  Conductivity   383.8   µs/cm
  BOD   4.95   mg/l