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: 05/08/2021 Sample Time: 13:30  
Human Activities: Bathing & washing, 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: Moderate, Floating Algea


Water Quality
Parameter Test Result Unit
  Ammonia-N   0.32   mg/l
  BOD   1.15   mg/l
  Conductivity   263.23   µs/cm
  Dissolved O2(DO)   4.00   mg/l
  E-coli   4500   MPN/100ml
  Fecal Coliform   7800   MPN/100ml
  Fecal Streptococci   23   MPN/100ml
  Nitrate-N   0.51   mg/l
  pH   7.01   Unit
  Temperature(Water)   32.0   ⁰C
  Total Coliform   11000   MPN/100ml
  Boron   BDL   mg/l
  Calcium   12.00   mg/l
  Chloride   34.98   mg/l
  COD   16.00   mg/l
  Fluoride   0.38   mg/l
  Magnesium   14.58   mg/l
  Nitrite N   0.02   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.15   mg/l
  Potassium   3.45   mg/l
  Sodium   17.32   mg/l
  Sulphate   20.26   mg/l
  Total Alkalinity   110.00   mg/l
  Total Dissolved Solids(TDS)   172.00   mg/l
  Total Fixed Solids(TFS)   242.00   mg/l
  Total Hardness as CaCo3   90.00   mg/l
  Total Kjeldahl Nitrogen(TKN)      mg/l
  Total Suspended Solids(TSS)   176.00   mg/l
  Turbidity   178.00   NTU