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: 28/10/2020 Sample Time: 12:45  
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: Mod Brown Odour: Odour free Visible effluent discharge: None


Water Quality
Parameter Test Result Unit
  COD   12.00   mg/l
  Fluoride   0.29   mg/l
  Magnesium   11.91   mg/l
  Nitrite N   0.12   mg/l
  Sulphate   13.94   mg/l
  Total Alkalinity   140.00   mg/l
  Total Dissolved Solids(TDS)   152.00   mg/l
  Total Fixed Solids(TFS)   206.00   mg/l
  Total Hardness as CaCo3   123.52   mg/l
  Total Kjeldahl Nitrogen(TKN)      mg/l
  Total Suspended Solids(TSS)   18.00   mg/l
  Turbidity   43.50   NTU
  Ammonia-N   0.20   mg/l
  BOD   2.60   mg/l
  Conductivity   283.60   µs/cm
  Dissolved O2(DO)   5.20   mg/l
  E-coli   50000   MPN/100ml
  Fecal Coliform   80000   MPN/100ml
  Fecal Streptococci   92   MPN/100ml
  Nitrate-N   0.25   mg/l
  Temperature(Water)   31.0   ⁰C
  Total Coliform   140000   MPN/100ml
  Boron   BDL   mg/l
  Calcium   29.80   mg/l
  pH   7.10   Unit
  Phosphate-P   0.22   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Potassium   4.68   mg/l
  Sodium   23.08   mg/l
  Chloride   18.99   mg/l