Repairs to a burst water main are ongoing in the Rathmullan area.
Supply disruptions may be experienced in Rathmullan and surrounding areas.
Works are scheduled to be complete by 5pm this evening.
Meanwhile, a burst water main is being repaired at Bocan, Culdaff and surrounding areas, with the works estimated to take until 3pm this afternoon.
In both instances, Irish Water says it could take 2-3 hours after the estimated restoration time for supplies to fully return.