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: 21/01/2020 Sample Time: 14:35  
Human Activities: Fisfing, Navigation Weather: clear Water Body: Ganga
Frequency Of Monitoring: Quarterly Use Based Class: C Approximate Depth(Bottom/Table): 2.00 m 
Color & Intensity: Light green Odour: Fishy Visible effluent discharge: None


Water Quality
Parameter Test Result Unit
  Dissolved O2(DO)   6.30   mg/l
  Ammonia-N   0.21   mg/l
  Total Kjeldahl Nitrogen(TKN)      mg/l
  Total Suspended Solids(TSS)   66.00   mg/l
  Turbidity   118.00   NTU
  BOD   1.95   mg/l
  Fecal Streptococci   <1.8   MPN/100ml
  Nitrite N   0.04   mg/l
  Nitrate-N   0.85   mg/l
  Chloride   273.24   mg/l
  pH   7.75   Unit
  COD   12.00   mg/l
  Fluoride   0.32   mg/l
  Magnesium   24.30   mg/l
  Phosphate-P   0.16   mg/l
  Potassium   18.39   mg/l
  Sodium   248.01   mg/l
  Sulphate   69.22   mg/l
  Total Alkalinity   152.00   mg/l
  Total Dissolved Solids(TDS)   740.00   mg/l
  Total Fixed Solids(TFS)   840.00   mg/l
  Total Hardness as CaCo3   230.00   mg/l
  Calcium   52.00   mg/l
  Conductivity   1765.00   µs/cm
  Fecal Coliform   3000   MPN/100ml
  Temperature   27.0   ⁰C
  Total Coliform   11000   MPN/100ml
  Boron   BDL   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  E-coli   1100   MPN/100ml