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: 20/05/2022 Sample Time: 11:40  
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   2.10   mg/l
  Conductivity   532.60   µs/cm
  Dissolved O2(DO)   5.60   mg/l
  Fecal Coliform   6300   MPN/100ml
  Fecal Streptococci   140   MPN/100ml
  Nitrate-N   0.62   mg/l
  pH   7.88   Unit
  Temperature(Water)   32.00   ⁰C
  Total Coliform   9400   MPN/100ml
  Boron   BDL   mg/l
  Calcium   39.00   mg/l
  Chloride   801.52   mg/l
  COD   16.64   mg/l
  Fluoride   0.34   mg/l
  Magnesium   7.00   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.22   mg/l
  Potassium   5.46   mg/l
  Sodium   68.60   mg/l
  Sulphate   50.34   mg/l
  Total Alkalinity   92.00   mg/l
  Total Dissolved Solids(TDS)   442.00   mg/l
  Total Fixed Solids(TFS)   750.00   mg/l
  Total Hardness as CaCo3   124.00   mg/l
  Total Suspended Solids(TSS)   374.00   mg/l
  Turbidity   429.00   NTU