Environmental Protection Agency
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.
Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Environmental Protection Agency [FRL-13230-01-R8] 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 ( printed 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: floyd.james@epa.gov . The final order and petitions are available electronically at: https://www.epa.gov/​title-v-operating-permits/​title-v-petition-database . 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…
Citation: 91 FR 12195
