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: 27/11/2020 Sample Time: 15:40  
Human Activities: Bathing & washing, Navigation Weather: Sunny Water Body: Ganga
Frequency Of Monitoring: Quarterly Use Based Class: C Approximate Depth(Bottom/Table): 1.50 m 
Color & Intensity: Clear Odour: Odour free Visible effluent discharge: Moderate


Water Quality
Parameter Test Result Unit
  pH   7.36   Unit
  Temperature(Water)   25.0   ⁰C
  Total Coliform   11000   MPN/100ml
  Boron   BDL   mg/l
  Calcium   27.45   mg/l
  Chloride   84.97   mg/l
  Fluoride   0.33   mg/l
  Magnesium   19.06   mg/l
  Nitrite N   0.01   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.09   mg/l
  Potassium   11.05   mg/l
  Sodium   104.20   mg/l
  Sulphate   38.20   mg/l
  Total Alkalinity   200.00   mg/l
  Total Dissolved Solids(TDS)   274.00   mg/l
  Total Fixed Solids(TFS)   336.00   mg/l
  Total Hardness as CaCo3   147.06   mg/l
  Total Kjeldahl Nitrogen(TKN)      mg/l
  Turbidity   103.00   NTU
  Ammonia-N   0.24   mg/l
  BOD   4.20   mg/l
  Conductivity   554.20   µs/cm
  Dissolved O2(DO)   7.40   mg/l
  E-coli   4900   MPN/100ml
  Fecal Streptococci   23   MPN/100ml
  Nitrate-N   0.53   mg/l
  Fecal Coliform   7900   MPN/100ml
  Total Suspended Solids(TSS)   184.00   mg/l
  COD   13.00   mg/l