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Blackrock Water Network Upgrade

Uisce Éireannis upgrading the water network in Blackrock to support future growth and development in the area.

The works involve the installation of 2km of new water mains and is part of a project to improve the capacity of the existing water network and operational performance in the area.

The section of works is taking place along the R172 Sea Road and Rock Road.

This project is being delivered to support existing and future developments within the community. It will improve the capacity of the existing water network in the area, improving performance and reducing demands on the current network.

The works commenced in October 2023 are being carried out on behalf of Uisce Éireann by GMC Utilities Group, with expected completion in summer 2024.

In progress

What are the benefits of the works?

The benefits of these water network works include:

  • Supporting social and economic development - This project will facilitate social and economic growth, including planned residential development.
  • Improving the water network - This project will upgrade the water network, increasing the capacity to deliver reliable, sustainable high-quality water services.
  • Providing a more resilient water supply - This project will improve the resilience of the water network, increasing connectivity to enable re-routing of water supply as required. 

Works Update

Watermain installation and connection works have been completed.

Permanent reinstatement of the road surface at R172 Sea Road and Rock Road will commence on Monday 06 August.

Two works crews will operate simultaneously at R172 Sea Road and Rock Road. Traffic management measures are outlined in the table and works map below.

Standard working hours are 8am to 6pm, Monday to Friday.



Traffic Management


R172 Sea Road

Stop / Go

Tuesday 06 August to Friday 23 August

Rock Road

Road Closure from the junction with R172 to the junction to Old Golf Links Road Traffic Diverted via  R172 and Sandy Lane. Local and emergency access maintained.

Tuesday 06 August to Friday 16 August

Blackrock Water Network Upgrade Update

Map of the Upgrade Reinstatement Works Progress.

Stakeholder Engagement

GMC Utilities Ltd. has a full time Community Liaison Officer who is available to address any queries or concerns in relation to the works.

Contact details: Johnny Cuciureanu 085 854 1594

Customers can also contact Uisce Éireann on 1800 278 278 (24/7) if they have any questions about the project.

Uisce Éireann regrets any inconvenience these necessary water network improvements may cause. Details of any supply interruptions associated with this project will be updated regularly on the Uisce Éireann website. 

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