An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to www.epa.gov. This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

Enforcement

Guidance: Superfund Management Review - Timeline for Superfund Site Management

Memorandum provides timeline that displays the key steps and optimum duration of phases in moving sites from identification to remediation under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA, commonly referred to as Superfund) program. Issued 6/11/1990.

The timeline was developed as part of the Superfund Management Review.

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