The Irish Water project is due to begin at 11pm.
There'll be overnight works affecting supply to much of Naas and its hinterland tonight.
Irish Water says it is conducting "essential maintenance", and says premises may experience low pressure or total loss of supply.
The project begins at 11pm tonight, and may impact:a ll of Main Street, including Naas Town Centre, Abbey Street, Basin Street, Abbey Bridge, St. Corbans Lane, All of Sallins Road, The Sycamores, Spring Gardens, Hollywood Park, Mill Lane, Mill Brook, Hillside Park, Cherry Grove and all of Morell area.
The project is due for completion at 6am on Thursday morning.
It could, however, take up to three hours for the system to refill and for normal supply to resume.

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