Public Notice: EPA Seeks Comments on Intent to Issue Permit to Vault Alliance CCS for a UIC Class VI Injection Well in Montgomery County, Indiana

Summary

The U.S. Environmental Protection Agency (“EPA”) is accepting comments from the public on its intent to issue a permit for Vault Alliance CCS (“Vault”) to inject carbon dioxide (CO₂) underground at its proposed injection well in Montgomery County, Indiana. This injection would be part of a process that is often called “geologic sequestration” or “carbon sequestration.” Carbon sequestration is a means of reducing emissions of CO₂ to the atmosphere.

Direct your comments to Docket ID No. EPA-R05-OW-2026-6568, at regulations.gov. If you submit a comment, you must provide your name and contact information (email preferred). Failure to do so may jeopardize your ability to receive notice of EPA’s final permitting decision or your ability to appeal said decision. All comments received will be included in the public docket without change and may be available online at regulations.gov, including any personal information provided. Do not submit information that you consider to be CBI (Confidential Business Information) or otherwise personal or protected through regulations.gov, or e-mail.

EPA encourages submittals via the electronic docket, but if you are unable to submit electronically to the docket or your comment contains sensitive information such as personal information or confidential business information, please reach out to Marc Fisher at (fisher.marc@epa.gov) or 312-886-4240 for directions on how to submit your comment. Any information submitted as part of a comment during the public notice period outside of the regulations.gov system without prior direction from EPA will be automatically captured and included as part of the comment that is placed in the administrative record, which is available to the public.

Electronic files should avoid the use of special characters, any form of encryption, and be free of any defects or viruses. If you need assistance in a language other than English, or you are a person with disabilities who needs a reasonable accommodation at no cost to you, please reach out to the EPA contact person. 

Applicants or Respondents

Docket Numbers

• EPA-R05-OW-2026-6568