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: 04/10/2021 Sample Time: 09:30  
Human Activities: Fishing and Bathing Weather: Clear Water Body: Rupnarayan at Kolaghat
Frequency Of Monitoring: Quarterly Use Based Class: C Approximate Depth(Bottom/Table): 1.00 m 
Color & Intensity: Turbid Odour: None Visible effluent discharge: None


Water Quality
Parameter Test Result Unit
  Ammonia-N   BDL   mg/l
  BOD   1.90   mg/l
  Conductivity   188.60   µs/cm
  Dissolved O2(DO)   5.70   mg/l
  Fecal Coliform   4600   MPN/100ml
  Fecal Streptococci   130   MPN/100ml
  Nitrate-N   1.01   mg/l
  pH   6.26   Unit
  Temperature(Water)   25.00   ⁰C
  Total Coliform   7000   MPN/100ml
  Boron   BDL   mg/l
  Calcium   15.00   mg/l
  Chloride   188.59   mg/l
  COD   12.00   mg/l
  Fluoride   0.32   mg/l
  Magnesium   2.00   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.20   mg/l
  Potassium   4.70   mg/l
  Sodium   5.50   mg/l
  Sulphate   8.91   mg/l
  Total Alkalinity   58.00   mg/l
  Total Dissolved Solids(TDS)   116.00   mg/l
  Total Fixed Solids(TFS)   410.00   mg/l
  Total Hardness as CaCo3   47.00   mg/l
  Total Kjeldahl Nitrogen(TKN)      mg/l
  Total Suspended Solids(TSS)   275.00   mg/l
  Turbidity   190.00   NTU