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: 03/05/2021 Sample Time: 13:30  
Human Activities: Bathing & washing, Navigation Weather: Sunny 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: Moderate


Water Quality
Parameter Test Result Unit
  BOD   2.80   mg/l
  Conductivity   388.20   µs/cm
  Dissolved O2(DO)   5.20   mg/l
  E-coli   46000   MPN/100ml
  Fecal Coliform   79000   MPN/100ml
  Fecal Streptococci   230   MPN/100ml
  Nitrate-N   0.55   mg/l
  pH   7.23   Unit
  Temperature(Water)   31.0   ⁰C
  Total Coliform   140000   MPN/100ml
  Boron   BDL   mg/l
  Calcium   47.20   mg/l
  Chloride   19.14   mg/l
  COD   18.97   mg/l
  Fluoride   0.28   mg/l
  Magnesium   8.26   mg/l
  Nitrite N   0.04   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.06   mg/l
  Potassium   4.48   mg/l
  Sodium   15.77   mg/l
  Sulphate   18.78   mg/l
  Total Alkalinity   164.00   mg/l
  Total Dissolved Solids(TDS)   146.00   mg/l
  Total Fixed Solids(TFS)   126.00   mg/l
  Total Hardness as CaCo3   152.00   mg/l
  Total Kjeldahl Nitrogen(TKN)      mg/l
  Total Suspended Solids(TSS)   14.00   mg/l
  Turbidity   60.30   NTU
  Ammonia-N   0.16   mg/l