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: 16/11/2021 Sample Time: 13:40  
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: Muddy Odour: Odour free Visible effluent discharge: None


Water Quality
Parameter Test Result Unit
  Ammonia-N   BDL   mg/l
  BOD   2.35   mg/l
  Conductivity   586.20   µs/cm
  Dissolved O2(DO)   6.00   mg/l
  E-coli   1700   MPN/100ml
  Fecal Coliform   3500   MPN/100ml
  Fecal Streptococci   33   MPN/100ml
  Nitrate-N   1.02   mg/l
  pH   7.23   Unit
  Temperature(Water)   26.0   ⁰C
  Total Coliform   9200   MPN/100ml
  Boron   BDL   mg/l
  Calcium   28.00   mg/l
  Chloride   44.98   mg/l
  COD   18.00   mg/l
  Fluoride   0.31   mg/l
  Magnesium   29.16   mg/l
  Nitrite N   0.01   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.02   mg/l
  Potassium   4.26   mg/l
  Sodium   18.94   mg/l
  Sulphate   13.93   mg/l
  Total Alkalinity   170.00   mg/l
  Total Dissolved Solids(TDS)   510.00   mg/l
  Total Fixed Solids(TFS)   346.00   mg/l
  Total Hardness as CaCo3   190.00   mg/l
  Total Kjeldahl Nitrogen(TKN)      mg/l
  Total Suspended Solids(TSS)   114.00   mg/l
  Turbidity   112.00   NTU