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: 18/09/2020 Sample Time: 13:30  
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
  Chloride   99.47   mg/l
  COD   15.00   mg/l
  Total Fixed Solids(TFS)   400.00   mg/l
  E-coli   2000   MPN/100ml
  pH   7.36   Unit
  Fluoride   0.22   mg/l
  Magnesium   21.44   mg/l
  Nitrite N   0.07   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.29   mg/l
  Potassium   26.60   mg/l
  Sodium   211.68   mg/l
  Sulphate   96.66   mg/l
  Total Alkalinity   104.50   mg/l
  Total Dissolved Solids(TDS)   302.00   mg/l
  Total Hardness as CaCo3   147.06   mg/l
  Total Kjeldahl Nitrogen(TKN)      mg/l
  Total Suspended Solids(TSS)   144.00   mg/l
  Turbidity   162.00   NTU
  Ammonia-N   0.17   mg/l
  BOD   2.40   mg/l
  Temperature(Water)   29.0   ⁰C
  Fecal Coliform   4000   MPN/100ml
  Fecal Streptococci   40   MPN/100ml
  Nitrate-N   0.98   mg/l
  Total Coliform   11000   MPN/100ml
  Boron   BDL   mg/l
  Calcium   23.53   mg/l
  Dissolved O2(DO)   6.40   mg/l
  Conductivity   600.70   µs/cm