It follows incidents in Ballymore Eustace and Gorey last month which saw contaminated water enter public supplies.
Irish Water will warn the current management system operating water treatment plants is no longer fit for purpose, when it goes before TDs and Senators later.
The utility will tell an Oireachtas committee there's an urgent need for change.
The Joint Committee on Housing, Local Government and Heritage, chaired by Deputy @stevensgreen1, will meet tomorrow to discuss Water Quality and Infrastructure, and the Small Town and Villages Growth Programme. #seeforyourself https://t.co/JfOczc5TIX pic.twitter.com/jiGUzJKVcP
— Houses of the Oireachtas - Tithe an Oireachtais (@OireachtasNews) September 22, 2021
It follows two incidents in Ballymore Eustace in Kildare and Gorey in Wexford last month which saw contaminated water enter public supplies.
Chair of the Housing committee, Steven Matthews, says what happened is unacceptable:
Deputy Matthews, says members want to ensure what happened in Kildare and in Wexford doesn't happen again
Managing Director of Irish Water Niall Gleeson says the management of treatment plants needs to change

Kfm Obituary Notices
Sharp Rise In M9 Collisions With Garda Call-Outs Up Year-On-Year
Councillor Seeks Clarity On How Often Nightclubs and Late Bars In Naas Are Inspected For Fire Risks
Unpaid Eight-Month Work And Training Placement For Adults With Disabilities Branded "Extremely Unfair"
Department Of Education Defends Kildare SNA Cuts Amid Claims Of Reduced Need At Some Schools
Naas Nurses Threaten Escalation As Staffing Row Deepens
Driving Tests Face Disruption As RSA Testers To Strike Next Week