West Bengal Pollution Control Board

Central Laboratory

Paribesh Bhawan, 10A, Block LA, Sector III, Salt Lake City, Kolkata 700 106. (033) 2335-5953



Station: U/S OF BIDYADHARI RIVER AT HAROA BRIDGE River Basin: Tidal streams CPCB Station Code: 2549
Sample Date: 22/02/2019 Sample Time: 12:50  
Human Activities: Nil Weather: Sunny Water Body: U/S OF BIDYADHARI RIVER AT HAROA BRIDGE
Frequency Of Monitoring: Quarterly Use Based Class: A Approximate Depth(Bottom/Table): 2.00 m 
Color & Intensity: Dark Ash Odour: Septic Visible effluent discharge: Moderate


Water Quality
Parameter Test Result Unit
  Temperature   26   ⁰C
  Total Coliform   220000   MPN/100ml
  Boron   BDL   mg/l
  Calcium   87.26   mg/l
  Fluoride   0.48   mg/l
  Magnesium   66.27   mg/l
  Phenolpthalein Alkanity   0.0   mg/l
  Phosphate-P   0.65   mg/l
  Sodium   435.14   mg/l
  Sulphate   170.02   mg/l
  Total Alkalinity   182.00   mg/l
  Total Dissolved Solids(TDS)   2400.0   mg/l
  Total Hardness as CaCo3   490.86   mg/l
  Total Kjeldahl Nitrogen(TKN)      mg/l
  Turbidity   434.0   NTU
  Ammonia-N   0.83   mg/l
  BOD   21.94   mg/l
  Conductivity   4380.0   µs/cm
  Dissolved O2(DO)   NIL   mg/l
  Fecal Coliform   130000   MPN/100ml
  Nitrate-N   0.14   mg/l
  Total Fixed Solids(TFS)   2394.0   mg/l
  Chloride   924.71   mg/l
  Total Suspended Solids(TSS)   164.0   mg/l
  pH   7.88   Unit
  COD   80.00   mg/l
  Potassium   17.44   mg/l