Irish Water is carrying out work.
There may be overnight water supply disruption in large parts of the county.
Irish Water says the works are part of the National Leakage Reduction Programme, and involve mains repair.
The project is due to begin at 11.30pm, and may affect Chestnut Hill, Elmwood, Thornbrook, Blessington Road, Tipper Road, Roselawn, Woodlands, Naas and surrounding areas in Co. Kildare.
A traffic management plan will be in place for the duration of the works.
They are scheduled to finish at 3.30am on Tuesday morning.
Irish Water says "We recommend that you allow 2-3 hours after the estimated restoration time for your supply to fully return."
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