The report - due to be formally published today - notes the fragmented nature of Ireland's public water with 973 supplies, compared to Scotland's 290 for a similar-sized population.
Many Irish water mains date back to the 19th century with most between 65 and 85 years old - and in dire need of an upgrade.
In 2011 there was an average leakage rate of 41 per cent form Irish water supplies while an outbreak of crytosporidiosis in Galway in...
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