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 DIAMOND HARBOUR, WEST BENGAL River Basin: GANGA CPCB Station Code: 1469
Sample Date: 25/05/2022 Sample Time: 14:05  
Human Activities: Fishing, 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: None


Water Quality
Parameter Test Result Unit
  BOD   3.00   mg/l
  Conductivity   2412.33   µs/cm
  Dissolved O2(DO)   6.60   mg/l
  E-coli   6800   MPN/100ml
  Fecal Coliform   7800   MPN/100ml
  Fecal Streptococci   13   MPN/100ml
  Nitrate-N   0.65   mg/l
  pH   7.08   Unit
  Temperature(Water)   33.0   ⁰C
  Total Coliform   11000   MPN/100ml
  Boron   BDL   mg/l
  Chloride   698.72   mg/l
  COD   14.00   mg/l
  Fluoride   0.23   mg/l
  Magnesium   48.60   mg/l
  Nitrite N   0.01   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.16   mg/l
  Potassium   23.00   mg/l
  Sodium   640.00   mg/l
  Sulphate   161.17   mg/l
  Total Alkalinity   150.00   mg/l
  Total Dissolved Solids(TDS)   1568.00   mg/l
  Total Fixed Solids(TFS)   1530.00   mg/l
  Total Hardness as CaCo3   360.00   mg/l
  Total Suspended Solids(TSS)   142.00   mg/l
  Turbidity   127.33   NTU
  Ammonia-N   0.15   mg/l
  Calcium   64.00   mg/l