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: 03/12/2021 Sample Time: 12:50  
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: Light Ash Odour: Odour free Visible effluent discharge: Moderate, Floating Algea


Water Quality
Parameter Test Result Unit
  Fecal Streptococci   240   MPN/100ml
  Nitrate-N   1.00   mg/l
  pH   7.37   Unit
  Temperature(Water)   29.0   ⁰C
  Total Coliform   79000   MPN/100ml
  Boron   BDL   mg/l
  Calcium   88.00   mg/l
  Chloride   190.79   mg/l
  COD   54.00   mg/l
  Fluoride   0.33   mg/l
  Magnesium   14.58   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.06   mg/l
  Potassium   10.50   mg/l
  Sodium   139.00   mg/l
  Sulphate   43.95   mg/l
  Total Alkalinity   210.00   mg/l
  Total Dissolved Solids(TDS)   606.00   mg/l
  Total Fixed Solids(TFS)   752.00   mg/l
  Total Hardness as CaCo3   280.00   mg/l
  Total Kjeldahl Nitrogen(TKN)      mg/l
  Total Suspended Solids(TSS)   214.00   mg/l
  Turbidity   103.00   NTU
  Ammonia-N   6.05   mg/l
  BOD   16.04   mg/l
  Conductivity   1205.00   µs/cm
  Dissolved O2(DO)   NIL   mg/l
  Fecal Coliform   23000   MPN/100ml