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: 25/03/2021 Sample Time: 13:55  
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: None, Water Hyacinth


Water Quality
Parameter Test Result Unit
  Ammonia-N   0.19   mg/l
  BOD   2.85   mg/l
  Conductivity   4511.00   µs/cm
  Dissolved O2(DO)   5.40   mg/l
  E-coli   2000   MPN/100ml
  Fecal Coliform   4500   MPN/100ml
  Fecal Streptococci   78   MPN/100ml
  Nitrate-N   0.67   mg/l
  pH   7.40   Unit
  Temperature(Water)   28.0   ⁰C
  Total Coliform   13000   MPN/100ml
  Boron   BDL   mg/l
  Calcium   64.00   mg/l
  Chloride   1438.91   mg/l
  COD   16.00   mg/l
  Fluoride   0.33   mg/l
  Magnesium   77.76   mg/l
  Nitrite N   0.01   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.04   mg/l
  Potassium   26.40   mg/l
  Sodium   426.43   mg/l
  Sulphate   108.11   mg/l
  Total Alkalinity   200.00   mg/l
  Total Dissolved Solids(TDS)   2788.00   mg/l
  Total Fixed Solids(TFS)   2610.00   mg/l
  Total Hardness as CaCo3   480.00   mg/l
  Total Kjeldahl Nitrogen(TKN)      mg/l
  Total Suspended Solids(TSS)   148.00   mg/l
  Turbidity   148.00   NTU