Following the success of a pilot study on new filters at Uisce Éireann’s Cavan Hill Water Treatment Plant, the green light has now been given to permanent upgrade works which will commence on site later this year.
This marks a major step forward in addressing instances of intermittent water discolouration that can affect customers in Dundalk and surrounding areas.
The Cavan Hill supply has experienced seasonal instances of discolouration, primarily due to elevated levels of naturally occurring manganese in raw water during the summer months.
Uisce Éireann undertook a pilot study in 2024, trialling new filters specifically designed to remove manganese. The results demonstrated a significant reduction in manganese levels, paving the way for a permanent upgrade.
Ian Walsh, Infrastructure Delivery Programme Manager at Uisce Éireann commented:
“We are delighted to confirm that the Cavan Hill Water Treatment Plant Upgrade will move forward in 2026.These works will ensure we can deliver long-term improvements to water quality for the communities served by Cavan Hill. The design of the project has been progressing since the pilot proved successful, so once procurement of a contractor is complete, we will be in a good position to start the works and deliver for our customers.”
In tandem with these preparations, Uisce Éireann’s targeted flushing programme has continued to deliver positive results for customers.
Speaking on the effectiveness of the programme, James O’Hagan, Water Network Operations Manager, said:
“The proactive flushing programme has been hugely successful, with a significant reduction in discolouration reports this year. We are committed to maintaining these improvements and will continue to proactively manage the network to ensure the highest water quality for our customers.”
The contract to deliver the upgrade works is expected to be awarded early this year. Uisce Éireann is committed to keeping all stakeholders updated as the project progresses.
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