
It had been affecting 840 Irish Water customers.
The boil water notice affecting 840 customers in Offaly has been lifted.
The advisory had been in place for all customers supplied by Clonbullogue Public Water Scheme since November 25th.
Following consultation with the HSE, Irish Water and Offaly County Council are now lifting the precautionary measure, following the completion of upgrade works to the disinfection system at the treatment plant.
All impacted customers can now resume normal use of the water supply for drinking, food preparation and brushing teeth.