West Bengal Pollution Control Board

Central Laboratory

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



Station: Subhas Sarovar,Beliaghata Kolkata River Basin: GANGA CPCB Station Code: 5163
Sample Date: 02/05/2022 Sample Time: 13:05  
Human Activities: Bathing washing, Fishing Weather: Sunny Water Body: Lake
Frequency Of Monitoring: Monthly Use Based Class: B Approximate Depth(Bottom/Table): 2.00 m 
Color & Intensity: Light green Odour: Odour free Visible effluent discharge: None, Floating Algae


Water Quality
Parameter Test Result Unit
  Ammonia-N   0.17   mg/l
  BOD   4.10   mg/l
  Conductivity   361.03   µs/cm
  Dissolved O2(DO)   7.50   mg/l
  Fecal Coliform   1700   MPN/100ml
  Nitrate-N   0.28   mg/l
  pH   8.01   Unit
  Temperature(Water)   32.0   ⁰C
  Total Coliform   2300   MPN/100ml
  Boron   BDL   mg/l
  Calcium   24.00   mg/l
  Chloride   46.96   mg/l
  COD   27.00   mg/l
  Fluoride   0.16   mg/l
  Magnesium   8.26   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.02   mg/l
  Potassium   6.50   mg/l
  Sodium   45.00   mg/l
  Sulphate   24.47   mg/l
  Total Alkalinity   102.00   mg/l
  Total Dissolved Solids(TDS)   154.00   mg/l
  Total Fixed Solids(TFS)   128.00   mg/l
  Total Hardness as CaCo3   94.00   mg/l
  Total Suspended Solids(TSS)   40.00   mg/l
  Turbidity   3.98   NTU