Uisce Éireann is aware some customers are experiencing intermittent low pressure in the Blanchardstown, Coolmine, Carpenterstown and Castleknock areas of Dublin 15.
The notice was put in place due to the detection of cryptosporidium in the water supply.
Uisce Éireann can confirm that, following consultation with the Health Service Executive, customers can now resume normal use of the public water supply.
The campaign to drive down leakage in Co Monaghan is continuing apace as Uisce Éireann crews arrived in Castleblayney this week.
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Find out why you may experience no water, low pressure or other changes to your water supply.