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: 22/07/2022 Sample Time: 15:35  
Human Activities: Bathing & washing, Navigation Weather: Rainy 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
  Dissolved O2(DO)   5.80   mg/l
  E-coli   33000   MPN/100ml
  pH   7.52   Unit
  Fecal Coliform   49000   MPN/100ml
  Fecal Streptococci   460   MPN/100ml
  Nitrate-N   1.49   mg/l
  Temperature(Water)   30.0   ⁰C
  Total Coliform   110000   MPN/100ml
  Boron   BDL   mg/l
  Calcium   32.00   mg/l
  Chloride   9.57   mg/l
  COD   11.00   mg/l
  Fluoride   0.20   mg/l
  Magnesium   5.35   mg/l
  Nitrite N   BDL   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.04   mg/l
  Potassium   4.00   mg/l
  Sodium   10.10   mg/l
  Sulphate   23.27   mg/l
  Total Alkalinity   102.00   mg/l
  Total Dissolved Solids(TDS)   150.00   mg/l
  Total Fixed Solids(TFS)   210.00   mg/l
  Total Hardness as CaCo3   102.00   mg/l
  Total Suspended Solids(TSS)   126.00   mg/l
  Turbidity   91.73   NTU
  Ammonia-N   0.15   mg/l
  BOD   3.00   mg/l
  Conductivity   234.63   µs/cm