Galway Bay fm newsroom - Portumna's public water supply has been removed from the Environmental Protection Agency's risk list.
In 2016, 13 Galway schemes were on the EPA's remedial action list - but this figure has been reduced to three.
The Portumna supply has been removed from the list following a programme of upgrade works to the treatment plant by Irish Water.
The remaining schemes on the risk list are the Ballinasloe Regional Water Supply Scheme, Inishmean, and Williamstown Public Supply.
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These supplies remain on the list due to elevated levels of trihalomethanes.