(The entrance Liffey Waterworks water treatment plant,, Ballymore Eustace, Co Kildare)
Dublin City Council said the situation has arisen because of a problem at its biggest water treatment plant.
Production at the Ballymore Eustace plant has dropped by up to 25%.
Council engineers are still investigating the cause, but believe the recent heavy rain has made the reservoir water more difficult to treat at the plant.
A council spokesperson said that although the incoming water is still of a satisfactory quality, its constituent characteristics have changed.
Dublin households facing water disruption (RTE)
Pic: Geograph.ie
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