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: 06/05/2021 Sample Time: 12:40  
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 Quality
Parameter Test Result Unit
  Ammonia-N   0.32   mg/l
  BOD   1.80   mg/l
  Conductivity   6625.00   µs/cm
  Dissolved O2(DO)   6.40   mg/l
  E-coli   2300   MPN/100ml
  Fecal Coliform   3300   MPN/100ml
  Fecal Streptococci   45   MPN/100ml
  Nitrate-N   0.52   mg/l
  pH   7.48   Unit
  Temperature(Water)   30.0   ⁰C
  Total Coliform   7900   MPN/100ml
  Boron   BDL   mg/l
  Calcium   108.00   mg/l
  Chloride   1866.44   mg/l
  COD   16.50   mg/l
  Fluoride   0.50   mg/l
  Magnesium   131.22   mg/l
  Nitrite N   0.01   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.06   mg/l
  Potassium   316.52   mg/l
  Sodium   1905.92   mg/l
  Sulphate   309.79   mg/l
  Total Alkalinity   220.00   mg/l
  Total Dissolved Solids(TDS)   4496.00   mg/l
  Total Fixed Solids(TFS)   4324.00   mg/l
  Total Hardness as CaCo3   810.00   mg/l
  Total Kjeldahl Nitrogen(TKN)      mg/l
  Total Suspended Solids(TSS)   314.00   mg/l
  Turbidity   247.00   NTU