Those affected are recommended to allow 3-4 hours after the estimated restoration time for water supply to fully return
Donegal County Council has issued a water outage alert for Letterkenny which may cause traffic delays.
As part of the National Leakage Reduction Programme, essential works may cause supply disruption to The Grange, Letterkenny and surrounding areas.
Works are scheduled to take place from 10am until 2pm on Tuesday, June 17.
Those affected are recommended to allow 3-4 hours after the estimated restoration time for water supply to fully return.
For updates, key in the reference number DON00094234 and enter it into the search bar on the Uisce Eireann website.
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