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: 23/09/2020 Sample Time: 13:00  
Human Activities: Bathing & washing, Navigation Weather: Cloudy Water Body: Ganga
Frequency Of Monitoring: Quarterly Use Based Class: C Approximate Depth(Bottom/Table): 1.00 m 
Color & Intensity: Clear Odour: Odour free Visible effluent discharge: Moderate


Water Quality
Parameter Test Result Unit
  Fecal Streptococci   70   MPN/100ml
  Ammonia-N   0.17   mg/l
  Total Suspended Solids(TSS)   138.00   mg/l
  BOD   2.25   mg/l
  Conductivity   230.10   µs/cm
  Dissolved O2(DO)   4.70   mg/l
  E-coli   30000   MPN/100ml
  Turbidity   117.00   NTU
  pH   7.36   Unit
  Temperature(Water)   28.0   ⁰C
  Phenolpthalein Alkanity   NIL   mg/l
  Total Coliform   130000   MPN/100ml
  Phosphate-P   0.19   mg/l
  Potassium   4.06   mg/l
  Sodium   21.94   mg/l
  Sulphate   62.40   mg/l
  Total Alkalinity   102.60   mg/l
  Boron   BDL   mg/l
  Calcium   28.24   mg/l
  Chloride   11.74   mg/l
  Magnesium   6.67   mg/l
  Nitrate-N   1.56   mg/l
  Nitrite N   0.16   mg/l
  Fluoride   0.24   mg/l
  Total Dissolved Solids(TDS)   110.00   mg/l
  Total Fixed Solids(TFS)   198.00   mg/l
  Total Hardness as CaCo3   98.04   mg/l
  Total Kjeldahl Nitrogen(TKN)      mg/l
  COD   13.00   mg/l
  Fecal Coliform   50000   MPN/100ml