West Bengal Pollution Control Board

Haldia Laboratory

Block-05 at 40 Flats Complex,Adjacent to Priyambada Housing Complex,Basudevpur, P.O. Khanjanchak, Haldia, Purba Medinipore - 721602



Station: RUPNARAYAN BEFORE CONFL. TO RIVER GANGA NEAR GEONKHALI, WEST BENGAL River Basin: Rupnarayan CPCB Station Code: 1337
Sample Date: 21/09/2021 Sample Time: 11:55  
Human Activities: Navigation, Bathing Weather: Cloudy Water Body: Rupnarayan
Frequency Of Monitoring: Quarterly Use Based Class: C Approximate Depth(Bottom/Table): 1.50 m 
Color & Intensity: Turbid Odour: None Visible effluent discharge: None


Water Quality
Parameter Test Result Unit
  Ammonia-N   0.13   mg/l
  BOD   3.65   mg/l
  Conductivity   281.60   µs/cm
  Dissolved O2(DO)   7.20   mg/l
  Fecal Coliform   4600   MPN/100ml
  Fecal Streptococci   68   MPN/100ml
  Nitrate-N   0.73   mg/l
  pH   6.91   Unit
  Temperature(Water)   27   ⁰C
  Total Coliform   7000   MPN/100ml
  Boron   BDL   mg/l
  Calcium   24.00   mg/l
  Chloride   75.43   mg/l
  COD   20.74   mg/l
  Fluoride   0.33   mg/l
  Magnesium   3.00   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.15   mg/l
  Potassium   4.63   mg/l
  Sodium   18.64   mg/l
  Sulphate   12.81   mg/l
  Total Alkalinity   94.00   mg/l
  Total Dissolved Solids(TDS)   252.00   mg/l
  Total Fixed Solids(TFS)   442.00   mg/l
  Total Hardness as CaCo3   75.00   mg/l
  Total Kjeldahl Nitrogen(TKN)      mg/l
  Total Suspended Solids(TSS)   286.66   mg/l
  Turbidity   318.67   NTU