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: 11/02/2020 Sample Time: 12:35  
Human Activities: Bathing washing, Fishing Weather: Sunny clear Water Body: U/S OF BIDYADHARI RIVER AT HAROA BRIDGE
Frequency Of Monitoring: Quarterly Use Based Class: A Approximate Depth(Bottom/Table): 1.00 m 
Color & Intensity: Light Ash Odour: Nauseating Visible effluent discharge: Moderate


Water Quality
Parameter Test Result Unit
  Ammonia-N   0.12   mg/l
  BOD   15.36   mg/l
  Conductivity   2230.00   µs/cm
  Dissolved O2(DO)   NIL   mg/l
  Fecal Coliform   110000   MPN/100ml
  Nitrate-N   5.58   mg/l
  pH   7.13   Unit
  Temperature   23.0   ⁰C
  Total Coliform   220000   MPN/100ml
  Boron   BDL   mg/l
  Calcium   96.00   mg/l
  Chloride   244.92   mg/l
  COD   45.00   mg/l
  Fluoride   0.45   mg/l
  Magnesium   38.88   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.17   mg/l
  Potassium   32.69   mg/l
  Sodium   833.78   mg/l
  Sulphate   64.80   mg/l
  Total Alkalinity   370.00   mg/l
  Total Dissolved Solids(TDS)   732.00   mg/l
  Total Fixed Solids(TFS)   1128.00   mg/l
  Total Hardness as CaCo3   400.00   mg/l
  Total Kjeldahl Nitrogen(TKN)      mg/l
  Total Suspended Solids(TSS)   324.00   mg/l
  Turbidity   163.00   NTU