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: 26/04/2022 Sample Time: 14:30  
Human Activities: Fishing Weather: Sunny Water Body: Ganga
Frequency Of Monitoring: Quarterly Use Based Class: C Approximate Depth(Bottom/Table): 2.00 m 
Color & Intensity: Light brown Odour: Odour free Visible effluent discharge: None


Water Quality
Parameter Test Result Unit
  Conductivity   3491.67   µs/cm
  Total Dissolved Solids(TDS)   2416.00   mg/l
  Dissolved O2(DO)   5.90   mg/l
  E-coli   4000   MPN/100ml
  Fecal Coliform   4500   MPN/100ml
  Fecal Streptococci   20   MPN/100ml
  Nitrate-N   0.77   mg/l
  pH   7.98   Unit
  Temperature(Water)   32.0   ⁰C
  Total Coliform   7800   MPN/100ml
  Boron   BDL   mg/l
  Calcium   52.00   mg/l
  Chloride   934.39   mg/l
  COD   14.00   mg/l
  Fluoride   0.25   mg/l
  Magnesium   80.19   mg/l
  Nitrite N   0.01   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.20   mg/l
  Potassium   17.00   mg/l
  Sodium   390.00   mg/l
  Sulphate   153.28   mg/l
  Total Alkalinity   190.00   mg/l
  Total Fixed Solids(TFS)   2160.00   mg/l
  Total Hardness as CaCo3   460.00   mg/l
  Total Suspended Solids(TSS)   332.00   mg/l
  Turbidity   202.33   NTU
  Ammonia-N   BDL   mg/l
  BOD   2.30   mg/l