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: 09/12/2020 Sample Time: 11:55  
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: Blackish Odour: Rotten eggs Visible effluent discharge: Moderate


Water Quality
Parameter Test Result Unit
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.08   mg/l
  Potassium   13.45   mg/l
  Sodium   108.73   mg/l
  Sulphate   67.42   mg/l
  Total Alkalinity   290.00   mg/l
  Total Dissolved Solids(TDS)   698.00   mg/l
  Total Fixed Solids(TFS)   794.00   mg/l
  Total Hardness as CaCo3   215.68   mg/l
  Total Kjeldahl Nitrogen(TKN)      mg/l
  Total Suspended Solids(TSS)   88.00   mg/l
  Turbidity   46.90   NTU
  Ammonia-N   7.28   mg/l
  BOD   13.57   mg/l
  Conductivity   1626.00   µs/cm
  Dissolved O2(DO)   1.10   mg/l
  Fecal Coliform   33000   MPN/100ml
  Fecal Streptococci   130   MPN/100ml
  Nitrate-N   2.55   mg/l
  pH   7.40   Unit
  Temperature(Water)   22.0   ⁰C
  Total Coliform   79000   MPN/100ml
  Boron   BDL   mg/l
  Calcium   54.90   mg/l
  Chloride   249.92   mg/l
  COD   45.00   mg/l
  Fluoride   0.45   mg/l
  Magnesium   19.06   mg/l