Portlaoise — drinking water supply quality
near Mountmellick, Laois
Portlaoise is a groundwater body in Laois, near Mountmellick, covering 225.9 km².
Official classification
Not flagged
Assessed 2026
This public water supply does not appear on the EPA’s Remedial Action List — the register of supplies where an EPA audit has identified deficiencies in treatment or monitoring that need a programme of remedial works.
This drinking water supply
- Type
- Groundwater body
- Area
- 225.9 km²
- County
- Laois
- Location
- 53.1327, -7.3537
Others in Laois
This page shows regulatory information about a public water supply, not a live test of the water at your tap. For a boil-water notice or a problem with your own supply, contact your water supplier — Uisce Éireann in the Republic, or NI Water in Northern Ireland.
Official classifications on this page contain EPA drinking-water data, including the Remedial Action List © Environmental Protection Agency, licensed under CC-BY-4.0.