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: 11/03/2019 Sample Time: 11:55  
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: Muddy Odour: Nil Visible effluent discharge: Moderate


Water Quality
Parameter Test Result Unit
  Ammonia-N   0.52   mg/l
  BOD   4.90   mg/l
  Conductivity   431.4   µs/cm
  Dissolved O2(DO)   6.20   mg/l
  Fecal Coliform   900000   MPN/100ml
  Nitrate-N   0.84   mg/l
  pH   7.57   Unit
  Temperature   27   ⁰C
  Total Coliform   1600000   MPN/100ml
  Boron   BDL   mg/l
  Calcium   30.59   mg/l
  Chloride   19.99   mg/l
  COD   6.73   mg/l
  Fluoride   0.31   mg/l
  Magnesium   13.82   mg/l
  Phenolpthalein Alkanity   0.0   mg/l
  Phosphate-P   0.14   mg/l
  Potassium   4.17   mg/l
  Sodium   40.77   mg/l
  Sulphate   23.07   mg/l
  Total Alkalinity   144.0   mg/l
  Total Dissolved Solids(TDS)   272.0   mg/l
  Total Fixed Solids(TFS)   234.0   mg/l
  Total Hardness as CaCo3   133.33   mg/l
  Total Kjeldahl Nitrogen(TKN)      mg/l
  Total Suspended Solids(TSS)   114.0   mg/l
  Turbidity   51.1   NTU