West Bengal Pollution Control Board

Central Laboratory

Paribesh Bhawan, 10A, Block LA, Sector III, Salt Lake City, Kolkata 700 106. (033) 2335-5953



Station: D/S OF BIDYADHARI RIVER AT MALANCHA BURNING GHAT River Basin: Tidal streams CPCB Station Code: 2550
Sample Date: 18/11/2021 Sample Time: 13:50  
Human Activities: Fishing & Bathing Weather: Sunny Water Body: D/S OF BIDYADHARI RIVER AT MALANCHA BURNING GHAT
Frequency Of Monitoring: Quarterly Use Based Class: C Approximate Depth(Bottom/Table): 2.00 m 
Color & Intensity: Mod Brown Odour: Odour free Visible effluent discharge: None


Water Quality
Parameter Test Result Unit
  Ammonia-N   2.53   mg/l
  BOD   5.75   mg/l
  Conductivity   1316.33   µs/cm
  Dissolved O2(DO)   1.10   mg/l
  Fecal Coliform   31000   MPN/100ml
  Fecal Streptococci   170   MPN/100ml
  Nitrate-N   1.51   mg/l
  pH   7.61   Unit
  Temperature(Water)   26.0   ⁰C
  Total Coliform   70000   MPN/100ml
  Boron   BDL   mg/l
  Calcium   100.00   mg/l
  Chloride   299.91   mg/l
  COD   28.00   mg/l
  Fluoride   0.38   mg/l
  Magnesium   17.01   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.18   mg/l
  Potassium   12.10   mg/l
  Sodium   167.00   mg/l
  Sulphate   65.81   mg/l
  Total Alkalinity   310.00   mg/l
  Total Dissolved Solids(TDS)   784.00   mg/l
  Total Fixed Solids(TFS)   820.00   mg/l
  Total Hardness as CaCo3   320.00   mg/l
  Total Kjeldahl Nitrogen(TKN)      mg/l
  Total Suspended Solids(TSS)   164.00   mg/l
  Turbidity   146.33   NTU