There were short-term notices issued around the Midlands last year.
Almost 500,000 people are being served by "at risk" public drinking water supplies.
That's down from 561,000 in 2023 - while the number of long-term boil water notices dropped by a third in the same period.
There were short-term notices issued in Athlone, Clonbullogue, Roscrea, and for the Shinrone/Brosna supply last year.
EPA Programme Manager Noel Byrne says fixing these issues now will mean fewer problems in the future:
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