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: 07/01/2020 Sample Time: 14:00  
Human Activities: Bathing washing, Fishing Weather: Sunny Water Body: Ganga
Frequency Of Monitoring: Quarterly Use Based Class: C Approximate Depth(Bottom/Table): 2.00 m 
Color & Intensity: Muddy Odour: Fishy Visible effluent discharge: Moderate


Water Quality
Parameter Test Result Unit
  Ammonia-N   BDL   mg/l
  BOD   1.45   mg/l
  Conductivity   561.70   µs/cm
  Dissolved O2(DO)   7.40   mg/l
  E-coli   300   MPN/100ml
  Total Suspended Solids(TSS)   94.00   mg/l
  Nitrate-N   1.00   mg/l
  Total Kjeldahl Nitrogen(TKN)      mg/l
  Total Coliform   1300   MPN/100ml
  Boron   BDL   mg/l
  Calcium   35.29   mg/l
  Sulphate   36.89   mg/l
  Total Fixed Solids(TFS)   362.00   mg/l
  Chloride   96.63   mg/l
  COD   11.00   mg/l
  Fluoride   0.33   mg/l
  Nitrite N   0.11   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Turbidity   25.10   NTU
  Total Hardness as CaCo3   166.66   mg/l
  Fecal Streptococci   <1.8   MPN/100ml
  pH   7.83   Unit
  Magnesium   19.06   mg/l
  Fecal Coliform   800   MPN/100ml
  Potassium   26.87   mg/l
  Sodium   222.64   mg/l
  Temperature   22.0   ⁰C
  Total Alkalinity   170.00   mg/l
  Phosphate-P   0.19   mg/l
  Total Dissolved Solids(TDS)   286.00   mg/l