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: 09/09/2020 Sample Time: 13:00  
Human Activities: Bathing & washing, Navigation Weather: Sunny clear 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
  Dissolved O2(DO)   5.70   mg/l
  E-coli   30000   MPN/100ml
  Fecal Coliform   50000   MPN/100ml
  Fecal Streptococci   110   MPN/100ml
  Ammonia-N   0.20   mg/l
  Nitrate-N   1.15   mg/l
  pH   7.41   Unit
  Temperature(Water)   34.0   ⁰C
  Total Coliform   130000   MPN/100ml
  Boron   BDL   mg/l
  Total Alkalinity   110.20   mg/l
  Calcium   33.60   mg/l
  Chloride   14.99   mg/l
  COD   10.00   mg/l
  Fluoride   0.33   mg/l
  Total Dissolved Solids(TDS)   190.00   mg/l
  Total Fixed Solids(TFS)   196.00   mg/l
  Total Hardness as CaCo3   104.00   mg/l
  Total Kjeldahl Nitrogen(TKN)      mg/l
  Total Suspended Solids(TSS)   74.00   mg/l
  Turbidity   80.20   NTU
  Magnesium   4.86   mg/l
  Nitrite N   0.10   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   NT   mg/l
  Potassium   3.76   mg/l
  Sodium   19.49   mg/l
  Sulphate   21.42   mg/l
  BOD   2.30   mg/l
  Conductivity   295.00   µs/cm