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: 14/07/2021 Sample Time: 11:55  
Human Activities: Bathing & washing Weather: Cloudy Water Body: Ganga
Frequency Of Monitoring: Quarterly Use Based Class: C Approximate Depth(Bottom/Table): 2.00 m 
Color & Intensity: Light brown Odour: Odour free Visible effluent discharge: None


Water Quality
Parameter Test Result Unit
  Potassium   3.61   mg/l
  Sodium   7.32   mg/l
  Sulphate   15.96   mg/l
  Total Alkalinity   100.00   mg/l
  Total Dissolved Solids(TDS)   122.00   mg/l
  Total Fixed Solids(TFS)   186.00   mg/l
  Total Hardness as CaCo3   104.00   mg/l
  Total Kjeldahl Nitrogen(TKN)      mg/l
  Turbidity   166.00   NTU
  BOD   2.65   mg/l
  Conductivity   234.90   µs/cm
  Ammonia-N   0.21   mg/l
  Total Suspended Solids(TSS)   174.00   mg/l
  Dissolved O2(DO)   4.90   mg/l
  E-coli   49000   MPN/100ml
  Fecal Coliform   79000   MPN/100ml
  Fecal Streptococci   350   MPN/100ml
  Nitrate-N   0.65   mg/l
  pH   7.22   Unit
  Temperature(Water)   28.0   ⁰C
  Total Coliform   220000   MPN/100ml
  Boron   BDL   mg/l
  Calcium   32.80   mg/l
  Chloride   22.99   mg/l
  COD   14.00   mg/l
  Fluoride   0.34   mg/l
  Magnesium   5.35   mg/l
  Nitrite N   0.11   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.14   mg/l