You are here:

Groundwater and Geothermal Unit

Groundwater and Geothermal Unit

​​​​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.

Geothermal energy is the heat that exists beneath the surface of the Earth. Ireland has abundant geothermal energy resources that are as yet largely untapped. Geothermal energy is proven to be secure, environmentally sustainable, effectively carbon-neutral and cost-effective over long-term periods, and can play an important role in decarbonising Ireland's heat energy sector.

We provide scientific advice and expertise in this area to support new policies and regulations developed by the Department of the Environment, Climate and Communications. We are developing a new National Geothermal database to promote the use of this clean natural resource. 

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

​Explore the research initiatives taking place in the Groundwater programme. Survey Ireland Researchers’ Night 2021 videosGeological Survey Ireland Researchers’ Night 2021 videos - Can Geoscience Help Reduce the Impact of Climate Change in Ireland? Watch a fascinating conversation with Eoin McGrath, Sarah Blake and Katie Tedd, hosted by Marcus Stewart, now available on Geological Survey Ireland YouTube channel.19/10/2021 23:00:00 to Earth - Exploring Ireland's Geology. New geology exhibition opened on 27 September 2021. Down to Earth - Exploring Ireland's Geology. New exhibition on Irish geology, the work of Geological Survey Ireland, and the importance of minerals in our daily lives opened on 27 September 2021 in The National Museum of Ireland - Decorative Arts & History (Collins Barracks).26/09/2021 23:00:00 for Appropriate Assessment of Remote Water Level Monitoring in Glenamaddy Turlough05/10/2021 23:00:00 temperature maps for Ireland29/09/2021 23:00:00