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: 03/09/2020 Sample Time: 12:55  
Human Activities: Bathing & washing 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: Muddy Odour: Odour free Visible effluent discharge: Moderate, Floating Algea


Water Quality
Parameter Test Result Unit
  Sodium   291.00   mg/l
  Fluoride   0.35   mg/l
  Magnesium   26.73   mg/l
  Dissolved O2(DO)   2.80   mg/l
  Phosphate-P   0.26   mg/l
  Potassium   28.61   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Sulphate   22.17   mg/l
  Conductivity   560.70   µs/cm
  Temperature(Water)   32.0   ⁰C
  Fecal Coliform   23000   MPN/100ml
  COD   16.00   mg/l
  Total Alkalinity   190.00   mg/l
  Total Dissolved Solids(TDS)   208.00   mg/l
  Total Fixed Solids(TFS)   306.00   mg/l
  Total Kjeldahl Nitrogen(TKN)      mg/l
  BOD   3.19   mg/l
  Total Hardness as CaCo3   190.00   mg/l
  pH   7.30   Unit
  Turbidity   45.10   NTU
  Total Coliform   110000   MPN/100ml
  Boron   BDL   mg/l
  Calcium   32.00   mg/l
  Ammonia-N   2.31   mg/l
  Chloride   89.97   mg/l
  Total Suspended Solids(TSS)   44.00   mg/l
  Nitrate-N   1.50   mg/l