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: 25/06/2021 Sample Time: 13:25  
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: Muddy Odour: Odour free Visible effluent discharge: None


Water Quality
Parameter Test Result Unit
  Ammonia-N   0.16   mg/l
  BOD   2.80   mg/l
  Conductivity   333.90   µs/cm
  Dissolved O2(DO)   5.60   mg/l
  E-coli   4500   MPN/100ml
  Fecal Coliform   6800   MPN/100ml
  Fecal Streptococci   45   MPN/100ml
  Nitrate-N   0.61   mg/l
  pH   7.17   Unit
  Temperature(Water)   32.0   ⁰C
  Total Coliform   11000   MPN/100ml
  Boron   BDL   mg/l
  Calcium   20.00   mg/l
  Chloride   329.89   mg/l
  COD   14.00   mg/l
  Fluoride   0.36   mg/l
  Magnesium   21.87   mg/l
  Nitrite N   NIL   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.14   mg/l
  Potassium   6.53   mg/l
  Sodium   18.91   mg/l
  Sulphate   25.82   mg/l
  Total Alkalinity   120.00   mg/l
  Total Dissolved Solids(TDS)   278.00   mg/l
  Total Fixed Solids(TFS)   424.00   mg/l
  Total Hardness as CaCo3   140.00   mg/l
  Total Kjeldahl Nitrogen(TKN)      mg/l
  Total Suspended Solids(TSS)   324.00   mg/l
  Turbidity   329.00   NTU