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Open reservoir to be decommissioned in Ballyboden project

Irish Water has revealed plans to decommission an open storage reservoir and replace it with a covered alternative as part of a €10.5 million investment at Ballyboden Water Treatment Plant near Dublin.

Over 42,000 people will benefit from the project at Ballyboden, which provides drinking water for communities in Dublin City, Dún Laoghaire-Rathdown and South Dublin County. The upgrade is being carried out in partnership with Dublin City Council.

The existing Ballyboden site has an open water reservoir which stores treated drinking water prior to its distribution to customers. The €10.5 million investment includes the construction of a covered reservoir to store 16 million litres of treated drinking water, the decommissioning of the existing open storage reservoir at the site and work to upgrade the disinfection process at the treatment plant.

The contract to carry out the works on behalf of Irish Water was recently signed by Coffey Construction Limited and work will commence in the coming weeks. As part of the upgrade the existing reservoir embankments will be retained during the decommissioning of the current open storage reservoir.

The Environmental Protection Agency (EPA) has issued a direction under the Drinking Water Regulations to cease the storage of uncovered treated drinking water at the Ballyboden Water Treatment Plant. The open storage of treated drinking water can give rise to re-contamination of the water as it is exposed to the environment. The project will allow the removal of the Ballyboden drinking water supply from the EPA’s remedial action list.

William McKnight, Asset Delivery Infrastructure Regional Lead at Irish Water, said: “The upgrade to the Ballyboden Water Treatment Plant and Reservoir is a priority project for Irish Water. This project is necessary to ensure a secure and sustainable supply of water to over 42,000 people in Dublin City, Dún Laoghaire- Rathdown and South Dublin County. After almost 130 years serving the community, the Ballyboden Reservoir will be modernised to adequately meet current requirements and the needs of future generations.”

Irish Water spent over €530 million on water services in 2016; capital investment in the region of €700 million per year is needed for a sustained period of several decades to address the poor condition of Ireland’s water infrastructure.

Author: James Brockett,
Topic: Water Resource Management
Tags: Water supply , storage , reservoir

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