A Boil Water Notice has been issued in Co. Wexford.
The notice affects over 7,400 living in Gorey Urban area.
Irish Water and Wexford County Council says it's due to issues at the water treatment plant, which may have compromised water quality.
Tests are currently being carried out on the water.
Anyone affected by the notice is being urged to boil their water before drinking.
Wexford County Council says it should be lifted in the next few hours when results of the water quality have been completed.
Elsewhere in the region, Irish Water and Waterford County Council have issued a Boil Water Notice for the Fews Public Water Supply along with the Deelish Water Supply.
It's been put in place due to issues at the water treatment plant.
The notice affects approximately 188 people supplied by the Fews Public Water Supply.