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: 09/03/2021 Sample Time: 12:05  
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: Odour free Visible effluent discharge: Moderate


Water Quality
Parameter Test Result Unit
  Ammonia-N   12.40   mg/l
  BOD   14.84   mg/l
  Conductivity      µs/cm
  Dissolved O2(DO)   0.40   mg/l
  Fecal Coliform   70000   MPN/100ml
  Fecal Streptococci   220   MPN/100ml
  Nitrate-N   1.61   mg/l
  pH   7.26   Unit
  Temperature(Water)   25.0   ⁰C
  Total Coliform   110000   MPN/100ml
  Boron   BDL   mg/l
  Calcium   62.74   mg/l
  Chloride   386.62   mg/l
  COD   45.00   mg/l
  Fluoride   0.40   mg/l
  Magnesium   33.35   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.02   mg/l
  Potassium   18.31   mg/l
  Sodium   208.39   mg/l
  Sulphate   56.67   mg/l
  Total Alkalinity   270.00   mg/l
  Total Dissolved Solids(TDS)   1432.00   mg/l
  Total Fixed Solids(TFS)   1250.00   mg/l
  Total Hardness as CaCo3   294.12   mg/l
  Total Kjeldahl Nitrogen(TKN)      mg/l
  Total Suspended Solids(TSS)   4.00   mg/l
  Turbidity   37.40   NTU