What we do

Roughan & O'Donovan delivers water supply, wastewater and flood protection schemes across Ireland.


Our experience extends from early phase strategic analyses and project scoping to designing and implementing infrastructure solutions.

Schemes such as Dollymount Promenade & Flood Protection and Carysfort Maretimo Flood Defence demonstrate our capability in the design and contract administration of flood defence schemes. 


  • Sustainable urban drainage systems (SuDS)
  • Flood risk assessment
  • Flood alleviation and flood defence
  • Integrated catchment modelling
  • Natural floodplain management
  • Natural water retention measures
  • As scientific lead on CEDR WATCH, I am researching effective and sustainable stormwater management practices in the face of climate change.

    John Paul Rooney Profile Photo

    John Paul Rooney



  • Sustainable urban drainage systems (SuDS)
  • Flood protection
  • Flood risk assessment
  • 1D and 2D river hydraulic modelling
  • Integrated catchment modelling
  • Floodplain management
  • Stormwater handling
  • Rainwater basins
  • Wastewater management and strategic planning
  • Discharge systems and licensing
  • Sewerage networks
  • Tunnelling sewers
  • Water supply planning
  • Drinking water networks
Water Pipes

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