​​​​Groundwater is important as a source of drinking water, and it supports river flows, lake levels and ecosystems. It contains natural substances dissolved from the soils and rocks that it flows through, and can also be contaminated by human actions on the land surface.

As a clean, but vulnerable, resource, groundwater needs to be understood, managed and protected. We provide advice and maps to members of the public, consultancies and public bodies about groundwater quality, quantity and distribution.

​​​​​​​This section provides information about our ongoing activities helping us all understanding Ireland's groundwater and karst, how we support Ireland's environment along with your groundwater questions answered.​​​​

​Explore the data and maps compiled by the Groundwater programme.

​Explore the research initiatives taking place in the Groundwater programme. hazard mapping in Ireland - Post-doctoral researcher position availableRadon hazard mapping in Ireland - Post-doctoral researcher position available16/08/2018 23:00:00€14-million-project-launched-to-improve-water-quality.aspx€14 million project launched to improve water qualityA major cross border project worth almost €14million was launched this week at An Grianan Hotel in Burt, Co. Donegal aimed at improving the water quality in our waterways.14/06/2018 23:00:00 Newsletter Issue 57 June 201818/06/2018 23:00:00 in Groundwater01/02/2018 00:00:00