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From servicing villages to servicing large towns, we have successfully delivered wastewater collection, treatment and disposal facilities in an environmentally sustainable manner.

Right through the project from conception to completion, we have executed a broad range of schemes – from collection to disposal – with a sharp focus on value for money for our clients.

 Conscious of the fact that our clients’ requirements are liable to change over the lifespan of a project, we offer a highly flexible approach that’s geared towards delivering the optimum solution every time.


Leixlip WwTW – Lower Liffey Sewerage Scheme , Ireland

Project involved the overall planning and phasing of the scheme, environmental impact assessment, procurement options, expansion and treatment options, and procurements of the project.


Galway Main Drainage Scheme, Ireland

Nicholas O’Dwyer Ltd. prepared a Preliminary Report for the Project covering both the treatment plants (Mutton Island WwTW, Galway East WwTW)



John Power

+353 1 296 9001

Gerard Monaghan

+353 1 296 9001


In the past decade we have:

-Provided wastewater engineering to authorities serving over 5 million consumers

-Engineered water sector projects with a construction value of over 1 billion euro

-Managed individual projects with a capital spend of over €100 million

-Supplied over a million man-hours of engineering services to the water industry

-Worked in over 20 countries throughout the developing world

-Tendered and administered projects under Irish Government, FIDIC and EU conditions of contract