The issue is expected to be resolved by 4pm today.
People in Laois are facing significant water outages today.
Uisce Eireann is confirming its working on a burst water main which will cause disruption to supplies around Old Knockmay in Portlaoise.
The issue isn't expected to be resolved until 4pm today.
Meanwhile as part of the National Leakage Reduction Programme, planned mains repair works are taking place on Grattan Street in Portlaoise town centre.
Its surrounding areas will be affected until around 2.45pm this afternoon.
Uisce Eireann is advising that supply may not fully return for three to four hours after the works are complete today.
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