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Stamullen wastewater works complete, boosting growth and enhancing the environment

Uisce Éireann has finished work on a major upgrade of the Stamullen Wastewater Scheme, a significant project that will bring long term environmental benefits for the communities of Stamullen and Gormanston and provide capacity to enable social and economic growth.

The project involved converting the existing Stamullen Wastewater Treatment Plant into a modern pumping station, which will now transfer all local wastewater to the Balbriggan Wastewater Treatment Plant for full treatment. Approximately 6 kilometres of twin rising mains were installed, connecting Stamullen to the Balbriggan sewer network at Cardy Rock. The new network has also been designed to accommodate future wastewater flows from the nearby village of Gormanston.

Uisce Éireann’s Conor Delaney welcomed the completion of the works: “This project not only provides the infrastructure needed to support future housing and population growth, but also delivers real environmental benefits by removing the discharge of treated wastewater to the River Delvin. We are delighted to have delivered this upgrade for the community, helping to protect local water quality while ensuring Stamullen has the water services it needs to thrive.”

With the wastewater now being transferred for treatment in Balbriggan, the decommissioning of the old treatment plant in Stamullen will mean a significant reduction in environmental impact locally. The improved network provides the capacity required to support planned development, ensuring Stamullen and Gormanston can enjoy sustainable growth.

Construction was carried out by David Walsh Civil Engineering Ltd on behalf of Uisce Éireann.

Uisce Éireann is responsible for delivering public drinking water and wastewater services for the people of Ireland. We are committed to enabling communities to thrive by continuously upgrading and developing critical infrastructure to support sustainable growth and development, providing safe drinking water, and enhancing the environment. 

Previous Updates

Uisce Éireann continues to progress the next phase of works as part of the upgrade to the wastewater network and treatment plant in the locality of Stamullen in Meath. The works will increase the capacity of the plant by converting the existing Stamullen Wastewater Treatment Plant to a pumping station, which will pump all wastewater to the Balbriggan Wastewater Treatment Plant.

Last year, approximately 2km of twin rising mains and a gravity sewer were installed on the R132 from the Delvin Bridge to Cardy Rock, Balbriggan. As part of the next phase of the project, the remaining 4km of twin rising main and construction of the pumping station are ongoing.

To facilitate the safe delivery of these works, some traffic management will be in place, as the rising mains are being constructed in public roads. A temporary road closure will be necessary on the L-1616 Gormanstown Road from Monday, 3 April to Friday, 14 April to facilitate pipelaying.  The road closure will be in place Monday to Friday between the hours of 7:30 am and 6:00 pm. Diversions will be in place via Julianstown and Balbriggan map attached. The road will be open to local traffic over the Easter weekend. Local and emergency access will be maintained at all times and the project team will continue to liaise with the local community as the works progress.

Speaking about the works, Dawid Wozniak, Programme Manager with Uisce Éireann, said, "We are delighted that works continue to progress for the people of Stamullen. On completion it will accommodate future population growth in Stamullen and Gormanston and will enhance the local environment. It will also improve water quality in the River Delvin as there will no longer be discharge of treated wastewater into the river. The project reflects Uisce Éireann's commitment to the efficient delivery of critical infrastructure in order to support local communities across Meath.

Dawid added: "The completion of this project has been long-awaited. The works are being carried out by David Walsh Civil Engineering Limited and will take about two years to complete. We would like to thank the local community for their support and co-operation as we carry out this work."

The new project will include a new pumping station at the existing Stamullen Wastewater Treatment Plant site, 6km of new sewer pipeline to connect to the Balbriggan sewer network at Cardy Rock for onward piping of the wastewater to the Balbriggan Wastewater Treatment Plant and decommissioning of the old wastewater treatment plant.

Uisce Éireann and Meath County Council will continue to update the local community in Stamullen as works progress.

For more information on this project, please see our dedicated project page

Uisce Éireann is responsible for the delivery of all public water and wastewater services in Ireland. We are committed to continuously upgrading and developing critical infrastructure to support the growth needed in housing and across our economy, while protecting the environment and safeguarding water supplies.

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