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Greencastle Water Supply Scheme

Water Supply Project

Uisce Éireann has completed works as part of €6 million investment to upgrade the Greencastle Water Supply Scheme.

Uisce Éireann working in partnership with Donegal County Council has completed works as part of the upgrade to the Greencastle Water Supply Scheme. This €6 million upgrade to the water supply scheme will secure a safe water supply to Greencastle.

€6 million

What is involved?

The Greencastle Water Treatment plant will now be supplied by the East Inishowen Regional Water Supply Scheme (RWSS). This has been enabled by extension of the Pollan RWSS to East Inishowen, allowing East Inishowen RWSS to supply Greencastle.

The project included the following works:

  • Construction of over 10km of water main
  • Construction of a new reservoir and associated booster station


  • This transfer of supply from the Greencastle Water Treatment plant to the Illies Water Treatment Plant will provide a more robust treatment system which will secure a safe supply to Greencastle

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