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)

EPA Region 5 Guidance for Deep Injection Wells

The EPA Region 5 UIC Branch has prepared guidance documents to help injection well owners and operators comply with the UIC regulations and conditions of their permits. EPA headquarters UIC program has also made information useful to operators available.  See National UIC Documents below.

See also UIC in EPA Region 5 (IL, IN, MI, MN, OH, and WI)

National UIC Documents

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