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: D/S OF RUPNARAYAN AT KOLAGHAT, NEAR KOLAGHAT RAIL BRIDGE NO.3 River Basin: Rupnarayan CPCB Station Code: 2509
Sample Date: 21/02/2022 Sample Time: 15:45  
Human Activities: Fishing,Bathing Weather: Clear Water Body: Rupnarayan at Kolaghat
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   BDL   mg/l
  BOD   2.60   mg/l
  Conductivity   384.40   µs/cm
  Dissolved O2(DO)   5.40   mg/l
  Fecal Coliform   1100   MPN/100ml
  Fecal Streptococci   130   MPN/100ml
  Nitrate-N   0.92   mg/l
  pH   7.79   Unit
  Temperature(Water)   25.00   ⁰C
  Total Coliform   3400   MPN/100ml
  Boron   BDL   mg/l
  Calcium   45.00   mg/l
  Chloride   377.20   mg/l
  COD   11.00   mg/l
  Fluoride   0.36   mg/l
  Magnesium   9.00   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.11   mg/l
  Potassium   4.60   mg/l
  Sodium   23.30   mg/l
  Sulphate   36.62   mg/l
  Total Alkalinity   104.00   mg/l
  Total Dissolved Solids(TDS)   268.00   mg/l
  Total Fixed Solids(TFS)   506.00   mg/l
  Total Hardness as CaCo3   151.00   mg/l
  Total Kjeldahl Nitrogen(TKN)      mg/l
  Total Suspended Solids(TSS)   252.00   mg/l
  Turbidity   185.00   NTU