Coffey Construction (Ireland) Ltd has commenced work on a multimillion-euro investment to upgrade the Castletroy Wastewater Treatment Plant in County Limerick, Uisce Éireann has announced.

This project will involve the construction of a new stormwater storage tank, installation of new primary treatment filters and lifting pumps, construction of a new primary sludge holding tank and an upgrade to secondary treatment tanks. Works are due to be complete in 2028.

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Programme Manager, Angus Hall, said: "Enabling Ireland's growth and development is one of Uisce Éireann's key priorities, so delivering this vital infrastructure project is great news. By increasing the capacity of the wastewater treatment plant by 70%, we are ensuring that the town of Castletroy, adjacent to Limerick City, can continue to thrive and expand sustainably and we are proud to grow alongside it."

The investment will bring several benefits straight to the local community and its surroundings, alongside enabling growth for the area. This project will improve the health and integrity of the environment, protect the water quality in the Lower Shannon, and conservation habitats. This project will also protect recreational waters for fishing and boating activities and ensure compliance with Irish and EU legislation.