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Dublin Live
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Gráinne Ní Aodha, PA & Debra Hunter

Irish Water slammed over 'unacceptable' delay in replacing lead pipes

Irish Water will take another 24 years to replace lead pipes under its control to safeguard public health, the Environmental Protection Agency has warned in a critical report.

The agency said the estimated time scale was based on the rate of replacement at the time the report was written. That would mean work finishing in 2046 - a substantial delay from the original plan, which predicted completion by 2026.

“It will take 24 years to address the risks posed to public health from lead in drinking water at the replacement rate observed in 2021, which is a significant overrun of Irish Water’s original plan for completion in 2026,” it said.

The criticism came in the EPA’s Drinking Water Quality in Public Supplies Report 2021. Despite the delay on lead piping, the report concludes shows the overall quality of drinking water in public supplies remains high, with more than 99.7% compliance with bacterial and chemical limits.

Read more: 'Musty' drinking water deemed safe

However, the EPA said the progress rate on replacing lead pipes is “still unacceptable”. “The EPA is highlighting the slow rate of lead replacement by Irish Water, as it will take almost a quarter of a century to address the risks posed to public health from lead in drinking water at the replacement rate observed in 2021.”

The use of lead as a plumbing material was common in buildings built before and during the 1970s. There are an estimated 180,000 lead pipe connections under Irish Water’s control, with 42,000 replaced between 2017 and 2021.

Based on current funding, Irish Water is aiming to replace half of its lead pipe connections by 2030. Apart from those in Irish Water’s control, lead pipes could also be in people’s homes and in public buildings, and the EPA said that leadership is required by the relevant departments to address the lead piping issue.

A report from the departments of housing and health on assessments of lead pipework in public buildings and plans to remove them is overdue, the EPA added.

There is a cumulative risk of lead in your drinking water, meaning that it can pose a threat if drinking regularly from a water source exposed to lead. A new directive from the EU is to become Irish law by January next year, and will include a reduction in the lead limit from 10 micrograms per litre to five micrograms per litre by January 2036.

The EPA said this limit “will most likely not be achievable” without the replacement of all lead connections in Ireland.

Irish Water said that the replacement of its lead pipes alone, without also replacing lead pipes in private houses or public buildings, will not achieve a sufficient reduction of lead levels at the tap. It added that its records show that there are no lead public water mains in Ireland.

The Bohernabreena Reservoir in the Dublin Mountains. Water quality in Ireland is generally high, says the report (Joe King)

Most of the lead pieces under Irish Water’s control are short segments of pipe called “service connections”, which run from the mains to the edge of private properties.

The EPA report on water quality also found that two significant incidents during 2021 at the Gorey and Ballymore Eustace water treatment plants put the health of approximately 885,000 people at risk, and represented “significant failings” by Irish Water.

Irish Water said that “significant progress” had been made in relation to this and a new national operations management centre has been set up. “This enables these plants to be monitored around the clock and action to be taken immediately when issues arise,” it said.

Margaret Attridge, of Irish Water, said the EPA Drinking Water Report shows that the quality of Ireland’s drinking water supplies overall “continues to improve”. “We have increased investment in our drinking water services year on year, and this is reaping big benefits for all our customers nationwide, giving them the assurance that, when they turn out their tap, they can enjoy clean, safe drinking water," she said.

“We recognise of course that challenges remain in some areas and we have prioritised our efforts in addressing these. “It will take a number of years and high levels of investment to bring our public water supply to the standard we all strive for but we are confident that we are on track to achieve this.”

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