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: 28/12/2021 Sample Time: 13:30  
Human Activities: Fishing and Bathing Weather: Clear Water Body: Rupnarayan at Kolaghat
Frequency Of Monitoring: Quarterly Use Based Class: C Approximate Depth(Bottom/Table): 1.50 m 
Color & Intensity: Turbid Odour: None Visible effluent discharge: None


Water Quality
Parameter Test Result Unit
  Ammonia-N   BDL   mg/l
  BOD   1.80   mg/l
  Conductivity   265.50   µs/cm
  Dissolved O2(DO)   8.30   mg/l
  Fecal Coliform   4900   MPN/100ml
  Fecal Streptococci   170   MPN/100ml
  Nitrate-N   0.56   mg/l
  pH   7.47   Unit
  Temperature(Water)   21.0   ⁰C
  Total Coliform   9400   MPN/100ml
  Boron   BDL   mg/l
  Calcium   32.00   mg/l
  Chloride   94.29   mg/l
  COD   18.00   mg/l
  Fluoride   0.37   mg/l
  Magnesium   12.00   mg/l
  Phenolpthalein Alkanity   4.00   mg/l
  Phosphate-P   0.03   mg/l
  Potassium   4.30   mg/l
  Sodium   22.30   mg/l
  Sulphate   23.43   mg/l
  Total Alkalinity   96.00   mg/l
  Total Dissolved Solids(TDS)   208.00   mg/l
  Total Fixed Solids(TFS)   172.00   mg/l
  Total Hardness as CaCo3   130.00   mg/l
  Total Kjeldahl Nitrogen(TKN)      mg/l
  Total Suspended Solids(TSS)   20.00   mg/l
  Turbidity   17.30   NTU