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Tullow Wastewater Network Upgrade

Uisce Éireann, working in partnership with Carlow County Council, is progressing works to upgrade the wastewater network in Tullow, representing a €17 million investment.

EPS has been appointed to deliver the project on behalf of Uisce Éireann and works are due to commence in the coming weeks.

Currently, the existing wastewater network is inadequate and does not consistently meet the standard required by the EPA licence. There is also a direct discharge to the River Slaney. These works will modernise and improve performance of the wastewater network and improve water quality in the River Slaney.

These works are following on from a €10 million investment in the upgrade of the wastewater treatment plant in Tullow which was completed in 2023. 

In progress

What is involved in this project?

The project involves;

  • Upgrading the sewer network, one section of which involves a river crossing.
  • Construction of a new terminal pump station and storm tank.
  • New storm water overflow is being installed.
  • Decommissioning of the existing terminal pumping station.
  • Installing 1.8km of new pipeline.

What are the benefits of this project?

Once complete the upgraded infrastructure will:

  • Modernise and improve performance of the sewer network in Tullow.
  • Improve water quality in the River Slaney.
  • Safeguard human and environmental health.
  • Ensure compliance with the EU Urban Wastewater Treatment Directive.
  • Increase capacity of the network, allowing for the long-term social and economic development of Tullow.

Next Steps

  • The works are expected to take approx. 20 months with completion in 2026. We will endeavour to keep all stakeholders updated with information as this essential project progresses. For further information you can visit

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