Essential works may cause supply disruption to Kiltole, Convoy and surrounding areas.
Works are scheduled to take place from 8am until 6pm this evening.
Meanwhile, as part of the National Leakage Reduction Programme, mains repair works may cause supply disruptions to Glassaghmore, Gortnavern, Letterkenny and surrounding areas.
This is scheduled to take place from 10am until 2pm this afternoon.
Uisce Eireann recommend that those affected allow 3-4 hours after the estimated restoration time for supply to fully return.