Uisce Éireann has commenced a critical infrastructure upgrade at the Limerick Wastewater Treatment Plant in Bunlicky, Co. Limerick. The ‘Interim’ Sludge Project will modernise the facility’s sludge treatment capabilities.

The Limerick Wastewater Treatment Plant has operated since 2003, processing both local and imported wastewater sludges. However, ageing infrastructure has prompted the need for intervention. The new project will replace deteriorating sludge storage tanks and introduce advanced systems to improve the handling and treatment of sludge imports.
Works will be carried out by the plant’s current operator, Ward and Burke Construction Ltd, on behalf of Uisce Éireann.
The project involves the removal and reinstallation of three steel tanks, each equipped with fibreglass roofs and internal protective linings. To enhance operational efficiency, a new import screen, pump sump, and associated pipework will be installed to optimise the sludge intake process. Additionally, an odour extraction unit will be introduced to improve air quality around the facility, supporting a cleaner working environment.
Commenting on the upgrade, Angus Hall, of Uisce Éireann said:
“The upgrade is expected to deliver multiple benefits. It will secure the continued acceptance of municipal sludges and reduce the risk of operational disruptions. The new import screen will also help protect vital
equipment by filtering out debris before it enters the system.
“By replacing ageing infrastructure and introducing more efficient sludge handling processes, we’re ensuring that the Limerick Wastewater Treatment Plant continues to meet the needs of the community and the wider region. This investment by Uisce Éireann reflects our commitment to safety, sustainability, and operational excellence.”
Works will be carried out by the plant’s current operator, Ward and Burke Construction Ltd, on behalf of Uisce Éireann - the project is scheduled for completion in 2027.
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