West Bengal Pollution Control Board

Central Laboratory

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



Station: GANGA AT HOWRAH-SHIVPUR, WEST BENGAL River Basin: GANGA CPCB Station Code: 1471
Sample Date: 04/05/2021 Sample Time: 13:05  
Human Activities: Bathing & washing, Navigation Weather: Sunny Water Body: Ganga
Frequency Of Monitoring: Quarterly Use Based Class: C Approximate Depth(Bottom/Table): 2.00 m 
Color & Intensity: Clear Odour: Odour free Visible effluent discharge: Moderate


Water Quality
Parameter Test Result Unit
  Ammonia-N   0.14   mg/l
  BOD   3.50   mg/l
  Conductivity   408.60   µs/cm
  Dissolved O2(DO)   5.50   mg/l
  E-coli   23000   MPN/100ml
  Fecal Coliform   46000   MPN/100ml
  Fecal Streptococci   170   MPN/100ml
  Nitrate-N   0.95   mg/l
  Temperature(Water)   25.0   ⁰C
  Total Coliform   79000   MPN/100ml
  Boron   BDL   mg/l
  Calcium   46.40   mg/l
  Chloride   20.10   mg/l
  COD   23.33   mg/l
  Fluoride   0.31   mg/l
  Magnesium   6.80   mg/l
  Nitrite N   0.07   mg/l
  Phenolpthalein Alkanity   8.00   mg/l
  Phosphate-P   0.20   mg/l
  Potassium   5.35   mg/l
  Sulphate   20.03   mg/l
  Total Alkalinity   166.00   mg/l
  Total Dissolved Solids(TDS)   232.00   mg/l
  Total Fixed Solids(TFS)   268.00   mg/l
  Total Hardness as CaCo3   144.00   mg/l
  Total Kjeldahl Nitrogen(TKN)      mg/l
  Total Suspended Solids(TSS)   48.00   mg/l
  Turbidity   61.30   NTU
  pH   7.13   Unit
  Sodium   18.06   mg/l