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: 09/03/2021 Sample Time: 12:30  
Human Activities: Bathing washing, Fishing 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: Dark Brown Odour: Odour free Visible effluent discharge: None


Water Quality
Parameter Test Result Unit
  Ammonia-N   4.46   mg/l
  BOD   13.75   mg/l
  Conductivity      µs/cm
  Dissolved O2(DO)   1.30   mg/l
  Fecal Coliform   13000   MPN/100ml
  Fecal Streptococci   45   MPN/100ml
  Nitrate-N   3.31   mg/l
  pH   7.38   Unit
  Temperature(Water)   29.0   ⁰C
  Total Coliform   33000   MPN/100ml
  Boron   BDL   mg/l
  Calcium   168.00   mg/l
  Chloride   3913.33   mg/l
  COD   34.00   mg/l
  Fluoride   0.47   mg/l
  Magnesium   170.10   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.02   mg/l
  Potassium   37.83   mg/l
  Sodium   561.20   mg/l
  Sulphate   624.26   mg/l
  Total Alkalinity   180.00   mg/l
  Total Dissolved Solids(TDS)   7370.00   mg/l
  Total Fixed Solids(TFS)   5732.00   mg/l
  Total Hardness as CaCo3   1120.00   mg/l
  Total Kjeldahl Nitrogen(TKN)      mg/l
  Total Suspended Solids(TSS)   8.00   mg/l
  Turbidity   67.80   NTU