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: 02/11/2021 Sample Time: 14:05  
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: Clear Odour: Odour free Visible effluent discharge: None


Water Quality
Parameter Test Result Unit
  Ammonia-N   0.16   mg/l
  BOD   2.00   mg/l
  Conductivity   289.41   µs/cm
  Dissolved O2(DO)   5.00   mg/l
  E-coli   4500   MPN/100ml
  Fecal Coliform   6800   MPN/100ml
  Fecal Streptococci   45   MPN/100ml
  Nitrate-N   2.66   mg/l
  pH   7.17   Unit
  Temperature(Water)   29.0   ⁰C
  Total Coliform   11000   MPN/100ml
  Boron   BDL   mg/l
  Calcium   20.00   mg/l
  Chloride   29.99   mg/l
  COD   17.00   mg/l
  Fluoride   0.32   mg/l
  Magnesium   12.15   mg/l
  Nitrite N   0.01   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.11   mg/l
  Potassium   4.06   mg/l
  Sodium   14.67   mg/l
  Sulphate   9.46   mg/l
  Total Alkalinity   210.00   mg/l
  Total Dissolved Solids(TDS)   142.00   mg/l
  Total Fixed Solids(TFS)   136.00   mg/l
  Total Hardness as CaCo3   100.00   mg/l
  Total Kjeldahl Nitrogen(TKN)      mg/l
  Total Suspended Solids(TSS)   48.00   mg/l
  Turbidity   51.00   NTU