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: 27/01/2022 Sample Time: 13:00  
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 Hyacinth


Water Quality
Parameter Test Result Unit
  Ammonia-N   0.14   mg/l
  BOD   3.20   mg/l
  Conductivity   502.40   µs/cm
  Dissolved O2(DO)   6.80   mg/l
  E-coli   4500   MPN/100ml
  Fecal Coliform   6800   MPN/100ml
  Fecal Streptococci   20   MPN/100ml
  Nitrate-N   1.19   mg/l
  pH   7.93   Unit
  Temperature(Water)   19.0   ⁰C
  Total Coliform   7800   MPN/100ml
  Boron   BDL   mg/l
  Calcium   52.00   mg/l
  Chloride   95.71   mg/l
  COD   15.00   mg/l
  Fluoride   0.29   mg/l
  Magnesium   19.44   mg/l
  Nitrite N   0.01   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.06   mg/l
  Potassium   5.50   mg/l
  Sodium   79.00   mg/l
  Sulphate   32.29   mg/l
  Total Alkalinity   190.00   mg/l
  Total Dissolved Solids(TDS)   310.00   mg/l
  Total Fixed Solids(TFS)   302.00   mg/l
  Total Hardness as CaCo3   210.00   mg/l
  Total Kjeldahl Nitrogen(TKN)      mg/l
  Total Suspended Solids(TSS)   52.00   mg/l
  Turbidity   66.70   NTU