Water issues have been reported in the Lettermacaward area of Donegal following a process fault at the local treatment plant.
Urgent repairs are underway to restore services before the Christmas weekend.
Irish Water is working with a contractor and Donegal County Council, with dedicated water service crews mobilised to the area. They expected to have works completed early tomorrow afternoon, Friday, 23 December.
Customers may experience temporary intermittent low pressure and/or water outages in Lettermacaward, Portnoo, Rossbeg, Cleangort, Doochary, Meenacross, Dooey, Maghery, Falmore areas, and Inishfree Island.