Works are scheduled to repair the fault later today.
Households in Westmeath could be without water today, after a mains burst.
Uisce Éireann received reports of the fault earlier today.
It's warning there may be disruptions to supply in Auburn Heights in Athlone, and the surrounding areas, as it carries out repairs.
The body is advising customers repairs are scheduled to take place at 5pm this evening.
It's also recommending households allow three or four hours after the fault is fixed for supply to fully restore.