That's a worst-case scenario for a proposed pipeline from the river Shannon, through Kildare and on to the capital.
A project to secure the water supply for Kildare and the Greater Dublin Area could hit 10 billion euro.
That's a worst-case scenario for a proposed pipeline from the river Shannon to the capital.
A risk analysis has estimated the infrastructure could cost anything from €3.3 billion euro to a worst-case scenario of €10.4 billion euro.
A public consultation on the scheme, that will have capacity to support water supply needs for up to half of the population, is currently underway in Kildare.

The 170 kilometre pipe will bring treated water from the Parteen Basin in Tipperary to Peamount in Dublin.
The infrastructure will connect to the Greater Dublin Area’s water network and create a supply spine serving communities along the route, ensuring resilience for Kildare, Dublin, Meath, and Wicklow.
In Kildare, public consultation events will take place at the Hamlet Court Hotel, Johnstownbridge, on January 28, and the Glenroyal Hotel, Maynooth, on January 29, from 4–8 p.m.
The consultation period runs until March 4, 2025, with additional events in Tipperary, Offaly, and online.
Tipperary farmer Liam Minehan, from the Fight the Pipe campaign, says leaking pipes in the capital should be fixed instead.
But Maria O'Dwyer, from Uisce Eireann, says while they're tackling leakages - it's not enough.

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