
Four locations are identified as priority.
The Environmental Protection Agency wants Irish Water to prioritise four areas of the midlands to protect the quality of water supply.
Ballymore and Multyfarnham in Westmeath, Kilcormac in Offaly and Portarlington are among 42 towns and villages identified throughout Ireland.
Environmental Officer with the EPA, Noel Byrne, says Irish Water has under funded water treatment facilities for years: