The Minister for the Environment Phil Hogan will travel to the Ballymore Eustace water treatment plant in Co Kildare tomorrow to seek assurances that supply will return to normal after Thursday.
1.5 million people in Dublin, Kildare and Wicklow are experiencing nightly water disruption, with supply cut from 8pm until 7am.
Minister Hogan says the problem has been identified and engineers are working on the fault:
