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 DIAMOND HARBOUR, WEST BENGAL River Basin: GANGA CPCB Station Code: 1469
Sample Date: 03/09/2021 Sample Time: 13:40  
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: Clear Odour: Odour free Visible effluent discharge: Moderate


Water Quality
Parameter Test Result Unit
  Ammonia-N   0.29   mg/l
  BOD   2.00   mg/l
  Conductivity   204.87   µs/cm
  Dissolved O2(DO)   4.50   mg/l
  E-coli   1700   MPN/100ml
  Fecal Coliform   4600   MPN/100ml
  Fecal Streptococci   20   MPN/100ml
  Nitrate-N   0.44   mg/l
  pH   7.30   Unit
  Temperature(Water)   34.0   ⁰C
  Total Coliform   7900   MPN/100ml
  Boron   BDL   mg/l
  Calcium   31.20   mg/l
  Chloride   34.99   mg/l
  COD   14.00   mg/l
  Fluoride   0.33   mg/l
  Magnesium   5.83   mg/l
  Nitrite N   0.01   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.08   mg/l
  Potassium   3.96   mg/l
  Sodium   14.57   mg/l
  Sulphate   27.29   mg/l
  Total Alkalinity   160.00   mg/l
  Total Dissolved Solids(TDS)   202.00   mg/l
  Total Fixed Solids(TFS)   182.00   mg/l
  Total Hardness as CaCo3   102.00   mg/l
  Total Kjeldahl Nitrogen(TKN)      mg/l
  Total Suspended Solids(TSS)   124.00   mg/l
  Turbidity   37.13   NTU