Normal water supply has now been restored to most areas in south Leitrim affected by yesterday's outage.
The towns of Drumshanbo and Ballinamore have normal supply restored.
High areas around Ballinamore and Killyvehy may still not have a full supply restored as the network is still recharging.
Uisce Éireann says these areas will have full supply restored over the course of the day.
Alternative water supplies remain available.