A watermain burst is impacting properties in south Inishowen this Saturday morning.
Homes and businesses in Burnfoot; Bridgend; Cristlemore; Whin Hill; Drumhaggart; Newtown; Burt and surrounding areas have been affected.
The outage is expected to last for much of the day.
Irish Water says crews are working to repair the burst as quickly and as safely as possible. The repair is expected to be completed by 8pm. Once the watermain has been repaired it may take a number of hours for the water supply to return in full to all impacted properties.