An official website of the United States government.

We've made some changes to 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)

Supporting Documents for the Final Rule for UIC Class VI Wells

Federal register notices were posted to announce the final Class VI rule for the long-term subsurface storage of carbon dioxide (CO2), and the effective date of implementation.

The Agency also prepared a fact sheet for the Class VI to provide a quick Overview to eplain:

  • Program requirements
  • Why the rule was needed
  • Who is affected by the rule
You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.