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 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 This website is no longer updated and links to external websites and some internal pages may not work.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 »

Aircraft Drinking Water Rule Water Supply Guidance 205 and 206

EPA publishes two memorandum clarifying the five year self-inspection requirements under the Aircraft Drinking Water Rule and moving an aircraft into a "Pending Bin" in the Aircraft Reporting and Compliance System due to bankruptcy or other changes in operations.

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