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: 18/01/2019 Sample Time: 12:30  
Human Activities: Bathing & Washing 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: Blakish Odour: Nil Visible effluent discharge: Moderate


Water Quality
Parameter Test Result Unit
  Conductivity   2441.0   µs/cm
  Dissolved O2(DO)   0.7   mg/l
  Fecal Coliform   23000   MPN/100ml
  Nitrate-N   1.09   mg/l
  pH   7.38   Unit
  Temperature   19.0   ⁰C
  Total Coliform   30000   MPN/100ml
  Boron   BDL   mg/l
  Calcium   124.00   mg/l
  Chloride   274.92   mg/l
  COD   80.00   mg/l
  Fluoride   0.39   mg/l
  Magnesium   55.89   mg/l
  Phenolpthalein Alkanity   0.0   mg/l
  Phosphate-P   0.08   mg/l
  Potassium   15.62   mg/l
  Sodium   539.20   mg/l
  Sulphate   38.15   mg/l
  Total Alkalinity   170.00   mg/l
  Total Dissolved Solids(TDS)   872.00   mg/l
  Total Fixed Solids(TFS)   784.00   mg/l
  Total Hardness as CaCo3   540.00   mg/l
  Total Kjeldahl Nitrogen(TKN)      mg/l
  Total Suspended Solids(TSS)   26.00   mg/l
  Turbidity   41.0   NTU
  Ammonia-N   8.68   mg/l
  BOD   22.78   mg/l