Notice2026-04843

Clean Air Act Operating Permit Program; Order on Petitions for Objection to State Operating Permits for Rocky Mountain Midstream, LLC's Latham, Mustang, Auburn, and West Brighton Compressor Stations

Primary source

Metadata and text below are from the Federal Register, a public-domain U.S. government work. Always verify the official published version before relying on it for any legal matter.

Published
March 12, 2026

Issuing agencies

Environmental Protection Agency

Abstract

The Environmental Protection Agency (EPA) Administrator signed an order dated December 8, 2025, denying petitions dated April 14, 2025, and April 24, 2025, from the Center for Biological Diversity (CBD). The petitions requested that the EPA object to Clean Air Act (CAA) operating permits issued by the Colorado Department of Public Health and Environment (CDPHE) to Rocky Mountain Midstream, LLC, for its Latham, Mustang, Auburn, and West Brighton Compressor Stations located in Weld County, Colorado.

Full Text

<html>
<head>
<title>Federal Register, Volume 91 Issue 48 (Thursday, March 12, 2026)</title>
</head>
<body><pre>
[Federal Register Volume 91, Number 48 (Thursday, March 12, 2026)]
[Notices]
[Pages 12195-12196]
From the Federal Register Online via the Government Publishing Office [<a href="http://www.gpo.gov">www.gpo.gov</a>]
[FR Doc No: 2026-04843]


-----------------------------------------------------------------------

ENVIRONMENTAL PROTECTION AGENCY

[FRL-13230-01-R8]


Clean Air Act Operating Permit Program; Order on Petitions for 
Objection to State Operating Permits for Rocky Mountain Midstream, 
LLC's Latham, Mustang, Auburn, and West Brighton Compressor Stations

AGENCY: Environmental Protection Agency (EPA).

ACTION: Notice of final order on petitions.

-----------------------------------------------------------------------

SUMMARY: The Environmental Protection Agency (EPA) Administrator signed 
an order dated December 8, 2025, denying petitions dated April 14, 
2025, and April 24, 2025, from the Center for Biological Diversity 
(CBD). The petitions requested that the EPA object

[[Page 12196]]

to Clean Air Act (CAA) operating permits issued by the Colorado 
Department of Public Health and Environment (CDPHE) to Rocky Mountain 
Midstream, LLC, for its Latham, Mustang, Auburn, and West Brighton 
Compressor Stations located in Weld County, Colorado.

FOR FURTHER INFORMATION CONTACT: James Floyd, EPA Region 8 Air and 
Radiation Division, 1595 Wynkoop St., Mail code: 8ARD-AP-P, Denver, CO 
80202, telephone number: (303) 312-6975, email address: 
<a href="/cdn-cgi/l/email-protection#ee888281978ac0848f838b9dae8b9e8fc0898198"><span class="__cf_email__" data-cfemail="b1d7dddec8d59fdbd0dcd4c2f1d4c1d09fd6dec7">[email&#160;protected]</span></a>. The final order and petitions are available 
electronically at: <a href="https://www.epa.gov/title-v-operating-permits/title-v-petition-database">https://www.epa.gov/title-v-operating-permits/title-v-petition-database</a>.

SUPPLEMENTARY INFORMATION: The EPA received petitions from CBD dated 
April 14, 2025, and April 24, 2025, requesting that the EPA object to 
the issuance of title V operating permit nos. 21OPWE436, 21OPWE439, 
21OPWE433, and 21OPWE440, issued by CDPHE to Rocky Mountain Midstream, 
LLC in Weld County, Colorado. On December 8, 2025, the EPA 
Administrator issued an order denying the petitions. The order itself 
explains the basis for the EPA's decision.
    Sections 307(b) and 505(b)(2) of the CAA provide that a petitioner 
may request judicial review of those portions of an order that deny 
issues in a petition. Any petition for review shall be filed in the 
United States Court of Appeals for the appropriate circuit no later 
than May 11, 2026.

Cyrus M. Western,
Regional Administrator, Region 8.
[FR Doc. 2026-04843 Filed 3-11-26; 8:45 am]
BILLING CODE 6560-50-P


</pre><script data-cfasync="false" src="/cdn-cgi/scripts/5c5dd728/cloudflare-static/email-decode.min.js"></script></body>
</html>
Indexed from Federal Register on March 12, 2026.

This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.