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 GARDEN REACH, WEST BENGAL River Basin: GANGA CPCB Station Code: 1470
Sample Date: 18/03/2021 Sample Time: 12:05  
Human Activities: Bathing & washing 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: Moderate


Water Quality
Parameter Test Result Unit
  Ammonia-N   0.35   mg/l
  BOD   3.00   mg/l
  Conductivity   406.70   µs/cm
  Dissolved O2(DO)   5.60   mg/l
  E-coli   7800   MPN/100ml
  Fecal Coliform   23000   MPN/100ml
  Fecal Streptococci   78   MPN/100ml
  Nitrate-N   0.55   mg/l
  pH   7.30   Unit
  Temperature(Water)   28.0   ⁰C
  Total Coliform   49000   MPN/100ml
  Boron   BDL   mg/l
  Calcium   32.00   mg/l
  Chloride   18.15   mg/l
  COD   16.00   mg/l
  Fluoride   0.30   mg/l
  Magnesium   17.49   mg/l
  Nitrite N   0.05   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.05   mg/l
  Potassium   3.27   mg/l
  Sodium   13.54   mg/l
  Sulphate   18.94   mg/l
  Total Alkalinity   156.00   mg/l
  Total Dissolved Solids(TDS)   422.00   mg/l
  Total Fixed Solids(TFS)   268.00   mg/l
  Total Hardness as CaCo3   152.00   mg/l
  Total Kjeldahl Nitrogen(TKN)      mg/l
  Total Suspended Solids(TSS)   94.00   mg/l
  Turbidity   63.30   NTU