An official website of the United States government.

We've made some changes to EPA.gov. If the information you are looking for is not here, you may be able to find it on the EPA Web Archive or the January 19, 2017 Web Snapshot.

Underground Injection Control (UIC)

Aquifer Exemption Data

Additional aquifer exemption data is provide in the attached .pdf files and linked information. The aquifer exemptions fact sheet  provides an overview of aquifer exemptions and summarizes the number, depths, area, and types of injection activities associated with aquifer exemptions. The aquifer exemption user guide describes how EPA developed the geospatial files shown in the Aquifer Exemptions Map and defines the data fields.  

Data available for download

You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.