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: 10/07/2019 Sample Time: 12:15  
Human Activities: Bathing & washing, fisfing Weather: Sunny Water Body: Ganga
Frequency Of Monitoring: Quarterly Use Based Class: C Approximate Depth(Bottom/Table): 2.00 m 
Color & Intensity: Muddy Odour: Fishy Visible effluent discharge: Moderate


Water Quality
Parameter Test Result Unit
  Ammonia-N   0.52   mg/l
  BOD   3.15   mg/l
  Calcium   92.30   mg/l
  Sulphate   101.87   mg/l
  Total Alkalinity   116.00   mg/l
  Conductivity   4640.00   µs/cm
  Nitrate-N   0.67   mg/l
  pH   7.72   Unit
  Boron   BDL   mg/l
  Chloride   149.64   mg/l
  COD   9.71   mg/l
  Fluoride   0.33   mg/l
  Phosphate-P   0.05   mg/l
  Potassium   26.75   mg/l
  Sodium   390.71   mg/l
  Magnesium   39.72   mg/l
  Nitrite N   0.01   mg/l
  Total Fixed Solids(TFS)   2117.00   mg/l
  Total Hardness as CaCo3   394.23   mg/l
  Total Kjeldahl Nitrogen(TKN)      mg/l
  Turbidity   189.00   NTU
  Total Suspended Solids(TSS)   285.00   mg/l
  Dissolved O2(DO)   6.40   mg/l
  Total Dissolved Solids(TDS)   2359.00   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Fecal Coliform   5000   MPN/100ml
  Temperature   31.0   ⁰C
  Total Coliform   13000   MPN/100ml