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: 20/01/2021 Sample Time: 13:50  
Human Activities: Navigation Weather: Sunny Water Body: Ganga
Frequency Of Monitoring: Quarterly Use Based Class: C Approximate Depth(Bottom/Table): 1.50 m 
Color & Intensity: Clear Odour: Odour free Visible effluent discharge: Moderate


Water Quality
Parameter Test Result Unit
  Total Fixed Solids(TFS)   326.00   mg/l
  Ammonia-N   0.41   mg/l
  BOD   2.70   mg/l
  Conductivity   454.30   µs/cm
  Dissolved O2(DO)   7.40   mg/l
  E-coli   13000   MPN/100ml
  Fecal Coliform   23000   MPN/100ml
  Fecal Streptococci   130   MPN/100ml
  Nitrate-N   1.40   mg/l
  pH   7.92   Unit
  Temperature(Water)   20.0   ⁰C
  Total Coliform   79000   MPN/100ml
  Boron   BDL   mg/l
  Calcium   43.92   mg/l
  Chloride   18.99   mg/l
  COD   12.00   mg/l
  Fluoride   0.28   mg/l
  Magnesium   9.05   mg/l
  Nitrite N   0.01   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.12   mg/l
  Potassium   6.23   mg/l
  Sodium   15.66   mg/l
  Sulphate   16.04   mg/l
  Total Alkalinity   152.00   mg/l
  Total Dissolved Solids(TDS)   214.00   mg/l
  Total Hardness as CaCo3   147.05   mg/l
  Total Kjeldahl Nitrogen(TKN)      mg/l
  Total Suspended Solids(TSS)   18.00   mg/l
  Turbidity   24.40   NTU