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: 28/03/2022 Sample Time: 15:45  
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: Clear Odour: Odour free Visible effluent discharge: None


Water Quality
Parameter Test Result Unit
  Ammonia-N   0.18   mg/l
  BOD   2.10   mg/l
  Conductivity   2598.33   µs/cm
  Dissolved O2(DO)   6.20   mg/l
  E-coli   4500   MPN/100ml
  Fecal Coliform   7800   MPN/100ml
  Fecal Streptococci   45   MPN/100ml
  Nitrate-N   0.65   mg/l
  pH   7.56   Unit
  Temperature(Water)   32.0   ⁰C
  Total Coliform   11000   MPN/100ml
  Boron   BDL   mg/l
  Calcium   72.00   mg/l
  Chloride   619.80   mg/l
  COD   13.00   mg/l
  Fluoride   0.23   mg/l
  Magnesium   41.31   mg/l
  Nitrite N   0.01   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.03   mg/l
  Potassium   16.00   mg/l
  Sodium   195.00   mg/l
  Sulphate   153.28   mg/l
  Total Alkalinity   210.00   mg/l
  Total Dissolved Solids(TDS)   1452.00   mg/l
  Total Fixed Solids(TFS)   1342.00   mg/l
  Total Hardness as CaCo3   350.00   mg/l
  Total Suspended Solids(TSS)   160.00   mg/l
  Turbidity   77.57   NTU