Uisce Éireann crews are responding to a burst water main which is affecting supply to customers in the Turlough area of Castlebar this afternoon.
The utility company says its an unplanned outage.
Crews are at the site of the burst, and repairs will commence shortly. It is estimated that repairs will be complete by approximately 7pm this evening.
Colette Scahill of Uisce Éireann said crews will work as quickly as possible to isolate and replace the burst main, and restore normal supply for affected customers.
Uisce Éireann has a free text service, providing real-time updates for local issues. Customers can sign up with their Eircode and mobile number at Uisce Eireann Text Updates page.