Erriff — drinking water supply quality
near Murrisk, Mayo
Erriff is a river in Mayo, near Murrisk, extending 29.2 km.
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
- River
- Length
- 29.2 km
- County
- Mayo
- Location
- 53.7057, -9.6747
Others in Mayo
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.