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: 17/12/2021 Sample Time: 12:50  
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: Muddy Odour: Odour free Visible effluent discharge: None


Water Quality
Parameter Test Result Unit
  Ammonia-N   0.14   mg/l
  BOD   2.55   mg/l
  Conductivity   387.10   µs/cm
  Dissolved O2(DO)   6.20   mg/l
  E-coli   2100   MPN/100ml
  Fecal Coliform   3300   MPN/100ml
  Fecal Streptococci   33   MPN/100ml
  Nitrate-N   1.30   mg/l
  pH   7.37   Unit
  Temperature(Water)   23.0   ⁰C
  Total Coliform   7900   MPN/100ml
  Boron   BDL   mg/l
  Calcium   64.00   mg/l
  Chloride   44.02   mg/l
  COD   14.00   mg/l
  Fluoride   0.35   mg/l
  Magnesium   12.15   mg/l
  Nitrite N   0.12   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.07   mg/l
  Potassium   5.80   mg/l
  Sodium   73.00   mg/l
  Sulphate   27.48   mg/l
  Total Alkalinity   190.00   mg/l
  Total Dissolved Solids(TDS)   162.00   mg/l
  Total Fixed Solids(TFS)   172.00   mg/l
  Total Hardness as CaCo3   210.00   mg/l
  Total Kjeldahl Nitrogen(TKN)      mg/l
  Total Suspended Solids(TSS)   70.00   mg/l
  Turbidity   41.83   NTU