1,200 customers had been affected by the fault.
A boil water notice in south Offaly has been lifted with immediate effect.
The advisory had been in place for 1,200 customers supplied by the Dunkerrin Public Water Scheme since September 22.
It followed a mechanical failure at the water treatment plant which affected the disinfection process.
However, Irish Water says the supply has now been deemed safe to drink again after an audit by the Environmental Protection Agency.
Offaly Councillor Says More Resources Needed For Midlands Gardaí
Cllr Aoife Masterson says tackling anti-social behaviour is becoming increasingly difficult due to staffing shortages.
Kinahan Gang Member Sues State Over Prison Isolation And Mental Health
40-year-old Sean McGovern is held in solitary confinement at Portlaoise Maximum Security Prison.
Plans Submitted For 38 New Homes In Westmeath
A final decision is due by December 14th.
Midlands Businesses Shine At The Food Awards Ireland
Five businesses from Athlone were recognised.
Westmeath Man Highlights Importance Of Preserving Ireland’s History For Future Generations
Athlone’s Gearóid O’Brien is set to receive the 2026 Heritage Hero Award tomorrow.
30-Home Development Rejected Over Wastewater Capacity Concerns
Longford County Council turned down plans to build 30 new homes.
Data Centres Sucking The Energy Off Irish Grid - Westmeath Councillor
It comes as the Rural Affairs Minister Dara Calleary launches the State's five year rural plan.
Offaly Councillor Calls For Additional Prison In Midlands
Councillor Noel Cribbin feels it's needed to combat a lack of prison spaces in the Midlands.
