EPA Upholds Permits for Four Colorado Compressor Stations Amid Challenges
Published Date: 3/12/2026
Notice
Summary
The EPA said no to challenges against air pollution permits for Rocky Mountain Midstream’s four compressor stations in Colorado. This means the stations can keep operating under their current permits, with no new costs or changes for now. If anyone wants to fight this decision, they have until May 11, 2026, to take it to court.
Analyzed Economic Effects
2 provisions identified: 1 benefits, 1 costs, 0 mixed.
EPA Denies Objection Petitions
On December 8, 2025, the EPA Administrator denied petitions from the Center for Biological Diversity asking the EPA to object to Title V operating permit nos. 21OPWE436, 21OPWE439, 21OPWE433, and 21OPWE440. Those permits were issued by the Colorado Department of Public Health and Environment to Rocky Mountain Midstream, LLC for the Latham, Mustang, Auburn, and West Brighton Compressor Stations in Weld County, Colorado.
Deadline to Seek Judicial Review
The order states that anyone seeking judicial review of the portions of the EPA order that denied issues in the petitions must file a petition for review in the U.S. Court of Appeals for the appropriate circuit no later than May 11, 2026.
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