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: 11/01/2022 Sample Time: 13:15  
Human Activities: Navigation Weather: Sunny 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: None


Water Quality
Parameter Test Result Unit
  Ammonia-N   0.15   mg/l
  BOD   2.75   mg/l
  Conductivity   603.60   µs/cm
  Dissolved O2(DO)   6.50   mg/l
  E-coli   4500   MPN/100ml
  Fecal Coliform   6800   MPN/100ml
  Fecal Streptococci   40   MPN/100ml
  Nitrate-N   1.19   mg/l
  pH   7.03   Unit
  Temperature(Water)   24.0   ⁰C
  Total Coliform   11000   MPN/100ml
  Boron   BDL   mg/l
  Calcium   60.00   mg/l
  Chloride   86.14   mg/l
  COD   15.00   mg/l
  Fluoride   0.28   mg/l
  Magnesium   17.01   mg/l
  Nitrite N   0.01   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.07   mg/l
  Potassium   8.10   mg/l
  Sodium   112.00   mg/l
  Sulphate   33.71   mg/l
  Total Alkalinity   180.00   mg/l
  Total Dissolved Solids(TDS)   304.00   mg/l
  Total Fixed Solids(TFS)   288.00   mg/l
  Total Hardness as CaCo3   220.00   mg/l
  Total Kjeldahl Nitrogen(TKN)      mg/l
  Total Suspended Solids(TSS)   40.00   mg/l
  Turbidity   37.03   NTU