Arklow Wastewater Treatment Plant is transforming coastal water quality and redefining public infrastructure in Ireland. Delivered by Uisce Éireann (Irish Water), Ayesa Engineers, Clancy Moore Architects, and Ward & Burke, this award-winning project ends decades of raw sewage discharge into the Avoca River and the Irish Sea.
Key features include:
• Gravity-assisted wastewater treatment system
• Rooftop solar PV for energy efficiency
• Bat and bird-friendly louvres
• Sustainable above-ground design on a former industrial site
• Advanced flood resilience and coastal protection
This landmark project combines environmental protection, civic architecture, and engineering excellence—making it a model for global wastewater solutions.
Location: Arklow, County Wicklow, Ireland
Completed: January 2025
