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Find and download EPA spatial data, view the ISDE Catalog, Connect to WMSs or get in touch.

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Look at EPA spatial data using WebGIS browsers.

latest news

NOTICE: Groundwater Quality (Excel) 1990-2020 Data Update - 27/05/2021

An update to the Groundwater Quality (Excel) 1990-2020 data is now available to download. Visit the Get Data page here to download!


NOTICE: Biological Q Stations and Q Records Data Update - 13/05/2021

An update to the Biological Q Stations and Q Records datasets are now available to download. Visit the Get Data page here to download!


NOTICE: Bathing Locations and Compliance Data Update - 13/05/2021

An update to the Bathing Locations and Compliance dataset is now available to download. Visit the Get Data page here to download!


NOTICE: Dumping at sea Data Update - 25/03/2021

Dumping at sea are now available to download. Visit the Get Data page here to download!


NOTICE: WFD High Status Objective Waterbodies - Cycle 2 (2013-2018) are now available to download - 03/03/2021

WFD High Status Objective Waterbodies are now available to download. Visit the Get Data page here to download!


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tips & tricks

I’d like to get some data from the EPA – how can I get it?

You can download GIS right now from the Get data page, using the EPA Database option and selecting the data you require.

If you want to browse the data on a map first, click on the Map link and browse our WebGIS – data can be directly downloaded from here.

    tips & tricks

    How can I access GIS data of rivers and lakes?

    The EPA worked with the Ordnance Survey to create 1:50,000 scale GIS data of Ireland’s rivers and lakes. If you want to see this data but don’t have GIS software, click on the Map link and check the Water Features group.

    OSI River Network, including Geometric River Network and Lake Segment datasets available to download on Get Data - Water/Water Framework Directive section, including metadata.

      tips & tricks

      Compatibility with Web Browsers

      This Geoportal works with the following browser versions: Internet Explorer 8+; Firefox 3.5+; Chrome; Opera; Safari 3+. EPA MAPS (Envision) can be used with IE 8 but there are some small limitations in the display when these versions are used. These browser versions were selected by looking at what the highest web browser usage types are on Envision and the Geoportal before we upgraded this website. We got this usage information from our Google Analytics reports. While we regret that some users may be on older versions of these browsers and so experience some problems we suggest that upgrading or installing a second browser will enable you to use the Geoportal.

        tips & tricks

        I have some queries about this GeoPortal – where can I get answers?

        Try our FAQ section, which contains answers to the most common questions about EPA GIS web tools and data. More detail about some of our specialised GIS data can be found under our Learn About Data. If you still haven’t found the answer you are looking for, Contact Us and the GIS team will respond to you as soon as possible.

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