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 DIAMOND HARBOUR, WEST BENGAL River Basin: GANGA CPCB Station Code: 1469
Sample Date: 25/01/2021 Sample Time: 14:25  
Human Activities: Fishing & Bathing Weather: Cloudy Water Body: Ganga
Frequency Of Monitoring: Quarterly Use Based Class: C Approximate Depth(Bottom/Table): 2.00 m 
Color & Intensity: Clear Odour: Odour free Visible effluent discharge: Moderate, Water Hyacinth


Water Quality
Parameter Test Result Unit
  Fecal Coliform   6800   MPN/100ml
  Fecal Streptococci   45   MPN/100ml
  Conductivity   700.90   µs/cm
  Sodium   62.44   mg/l
  Nitrate-N   1.07   mg/l
  Boron   BDL   mg/l
  Dissolved O2(DO)   6.70   mg/l
  E-coli   4500   MPN/100ml
  BOD   2.00   mg/l
  Calcium   31.37   mg/l
  Chloride   94.97   mg/l
  COD   16.00   mg/l
  Fluoride   0.34   mg/l
  Magnesium   26.21   mg/l
  Nitrite N   0.06   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.13   mg/l
  Potassium   11.44   mg/l
  Sulphate   30.89   mg/l
  Total Alkalinity   190.00   mg/l
  Total Dissolved Solids(TDS)   132.00   mg/l
  Total Fixed Solids(TFS)   288.00   mg/l
  Total Hardness as CaCo3   186.27   mg/l
  Total Kjeldahl Nitrogen(TKN)      mg/l
  Total Suspended Solids(TSS)   40.00   mg/l
  Turbidity   58.70   NTU
  Ammonia-N   0.28   mg/l
  Temperature(Water)   25.0   ⁰C
  pH   7.65   Unit
  Total Coliform   13000   MPN/100ml