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Irish Water begins 80M euro upgrade to its largest WWTP

Irish Water has commenced work on an €80M, 400,000-population-equivalent upgrade to the Ringsend Wastewater Treatment Plant.

Ringsend is the largest wastewater treatment plant in Ireland and was built to treat the wastewater for the equivalent of 1.64 million people. Currently the plant services over 40% of the national population and is treating wastewater for the equivalent of 1.9 million people.

The upgrade is expected to take approximately two years to construct and will accommodate the current demand, support planned housing and economic growth in the Dublin region and will improve the quality of the treated wastewater discharged to the Liffey estuary.  

Currently, the plant serves the Greater Dublin Area including the city centre and stretching to suburban areas such as Dalkey, Rathcoole, Clondalkin, Blanchardstown/Mulhuddart, Dublin Airport and Howth, as well as parts of Meath such as Dunboyne, Clonee and Ashbourne. 

This capacity upgrade is one part of an overall investment of €400M by Irish Water in the Ringsend Wastewater Treatment Plant Upgrade Project.

Subject to planning permission, the overall upgrade project will enable full treatment of wastewater for the equivalent of 2.4 million people, meeting all foreseeable development needs to at least 2025. 

Lord Mayor of Dublin City Mícheál MacDonncha said: “With the CSO predicting the population of the Greater Dublin Area to grow by 1% per year over the next 10 to 15 years, it is vital our infrastructure keeps up with that growth. This investment will enable future housing and commercial development and help ensure Dublin is able to sustain continued growth.”

Author: Robin Hackett, Deputy Editor, WWT and WET News
Topic: Treatment
Tags: wastewater treatment , Ireland , population

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