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: 06/07/2021 Sample Time: 13:40  
Human Activities: Bathing & washing Weather: Cloudy 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
  Total Hardness as CaCo3   110.00   mg/l
  Total Kjeldahl Nitrogen(TKN)      mg/l
  Total Suspended Solids(TSS)   30.00   mg/l
  Turbidity   43.80   NTU
  Total Fixed Solids(TFS)   244.00   mg/l
  Ammonia-N   0.22   mg/l
  BOD   3.25   mg/l
  Conductivity   294.10   µs/cm
  Dissolved O2(DO)   4.70   mg/l
  Total Coliform   13000   MPN/100ml
  Calcium   12.00   mg/l
  Chloride   29.99   mg/l
  Fecal Coliform   4500   MPN/100ml
  Nitrate-N   0.58   mg/l
  pH   7.30   Unit
  Temperature(Water)   31.0   ⁰C
  COD   13.00   mg/l
  Fluoride   0.23   mg/l
  Magnesium   19.44   mg/l
  Nitrite N   0.02   mg/l
  E-coli   4000   MPN/100ml
  Fecal Streptococci   78   MPN/100ml
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.11   mg/l
  Potassium   4.42   mg/l
  Sodium   15.15   mg/l
  Sulphate   17.22   mg/l
  Total Alkalinity   150.00   mg/l
  Boron   BDL   mg/l
  Total Dissolved Solids(TDS)   260.00   mg/l