Irish Water has confirmed they are to upgrade the Ballymahon wastewater treatment plant.
Concerns have been raised locally over the plant's capacity to support the town's growing population.
Irish Water will now initiate an assessment of upgrade options, with construction planned to begin in 2023.
Fianna Fail TD for Longford Westmeath, Joe Flaherty, says that Ballymahon is one of the fastest-growing towns nationally and needs its infrastructure to reflect that: