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: 02/02/2021 Sample Time: 13:05  
Human Activities: Bathing & washing Weather: Sunny clear Water Body: Ganga
Frequency Of Monitoring: Quarterly Use Based Class: C Approximate Depth(Bottom/Table): 2.00 m 
Color & Intensity: Mod Brown Odour: Odour free Visible effluent discharge: None


Water Quality
Parameter Test Result Unit
  Ammonia-N   0.22   mg/l
  BOD   3.60   mg/l
  Conductivity   408.60   µs/cm
  Dissolved O2(DO)   7.00   mg/l
  E-coli   23000   MPN/100ml
  Fecal Coliform   49000   MPN/100ml
  Fecal Streptococci   170   MPN/100ml
  Nitrate-N   1.15   mg/l
  pH   7.75   Unit
  Temperature(Water)   19.0   ⁰C
  Total Coliform   130000   MPN/100ml
  Boron   BDL   mg/l
  Calcium   44.70   mg/l
  Chloride   25.99   mg/l
  COD   15.00   mg/l
  Fluoride   0.25   mg/l
  Magnesium   15.25   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.03   mg/l
  Potassium   4.00   mg/l
  Sodium   14.79   mg/l
  Sulphate   21.25   mg/l
  Total Alkalinity   158.00   mg/l
  Total Dissolved Solids(TDS)   250.00   mg/l
  Total Fixed Solids(TFS)   304.00   mg/l
  Total Hardness as CaCo3   174.51   mg/l
  Total Kjeldahl Nitrogen(TKN)      mg/l
  Total Suspended Solids(TSS)   98.00   mg/l
  Turbidity      NTU
  Nitrite N   0.03   mg/l