West Bengal Pollution Control Board

Central Laboratory

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



Station: RABINDRASAROVAR NATIONAL LAKE, CALCUTTA, WEST BENGAL River Basin: GANGA CPCB Station Code: 1765
Sample Date: 15/02/2019 Sample Time: 12:35  
Human Activities: Bathing & Washing Weather: Sunny Water Body: Rabindra Sarabar
Frequency Of Monitoring: Quarterly Use Based Class: C Approximate Depth(Bottom/Table): 2.00 m 
Color & Intensity: Nil Odour: Nil Visible effluent discharge: Moderate


Water Quality
Parameter Test Result Unit
  Phenolpthalein Alkanity   0.0   mg/l
  Phosphate-P   0.03   mg/l
  Potassium   8.34   mg/l
  Sodium   53.37   mg/l
  Sulphate   28.71   mg/l
  Total Alkalinity   132.00   mg/l
  Total Dissolved Solids(TDS)   236.0   mg/l
  Total Fixed Solids(TFS)   200.0   mg/l
  Total Hardness as CaCo3   78.17   mg/l
  Total Kjeldahl Nitrogen(TKN)      mg/l
  Total Suspended Solids(TSS)   6.0   mg/l
  Turbidity   4.95   NTU
  Ammonia-N   BDL   mg/l
  BOD   5.0   mg/l
  Conductivity   373.3   µs/cm
  Dissolved O2(DO)   8.6   mg/l
  Fecal Coliform   400   MPN/100ml
  pH   8.30   Unit
  Temperature   24   ⁰C
  Total Coliform   1200   MPN/100ml
  Calcium   15.27   mg/l
  Chloride   36.99   mg/l
  COD   28.44   mg/l
  Fluoride   0.29   mg/l
  Boron   BDL   mg/l
  Magnesium   9.72   mg/l
  Nitrate-N   0.21   mg/l