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Monday, 02 March 2026 09:18

Uisce Éireann starts work on €49 million upgrade of Nenagh Wastewater Treatment Plant

Uisce Éireann has marked the commencement of works on a complete upgrade of Nenagh Wastewater Treatment plant - the €49 million investment will deliver deliver capacity for the equivalent of 3,000 new homes.

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The once in a generation project project is a substantial demonstration of commitment and investment by Uisce Éireann in Nenagh -  the state-of-the-art wastewater treatment plant at the heart of the town is expected to have a positive impact on the region for years to come.

The current wastewater treatment plant which was originally built in the 1980’s, will be reimagined – delivering state of the art infrastructure and cutting-edge technology that will secure full compliance with Irish and EU environmental legislation. It will also enhance the quality of the River Nenagh’s receiving waters, safeguarding the local environment.

Minister for Housing, Local Government and Heritage, James Browne T.D., welcomed the investment:

“Investment in the town of Nenagh and surrounding areas of North Tipperary is essential. As Minister for Housing, I drove on with major investment in wastewater infrastructure, as it is a key enabler of the area’s development including delivery of new homes.

“As a Government we have invested record levels in much-needed wastewater infrastructure, which will also support housing delivery in North Tipperary, which we know we need to see more of. Crucially, this type of investment reflects a shared commitment to safeguarding the environment for future generations while at the same time unlocking services for Nenagh and the surrounds.”

Maria O’Dwyer, Infrastructure Delivery Director, at Uisce Éireann commented:

“This project represents a powerful investment in Nenagh’s future. As this region continues to expand, our wastewater infrastructure must rise to meet that momentum. This critical investment will not only safeguard the local environment but will unlock essential capacity to support the building of new homes. It is a vital step in ensuring Nenagh can continue to thrive while protecting its natural environment.

“We are committed to delivering for communities across Tipperary and this project is part of our ongoing multimillion euro investment in wastewater infrastructure across the county, including recently completed projects in Newport, Ballina, and Cahir; as well as the upgrade underway at Fethard and in Kilsheelan where planning permission was recently granted. This is critical to facilitate housing and growth while protecting our environment”.

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