Arklow Wastewater Treatment Plant Completes €139 Million Project, Ending Sewage Discharge into Avoca River
WATER INFRASTRUCTURE & DESALINATION
The Arklow Wastewater Treatment Plant, costing €139 million, has concluded decades of raw sewage discharge into the Avoca River, significantly improving water quality and local recreation opportunities. Now operational, it serves 24,000 residents and can expand to accommodate 36,000.
The facility replaced 19 historic outfalls and has been recognized internationally, winning awards for its design and sustainability. The project was completed six months ahead of schedule and on budget, reshaping the town's visual identity and enhancing the local environment.

Mar 14, 2026, 6:04 AM