EPA Rejects Challenge to Arizona Gold Mine Air Permit
Published Date: 7/23/2026
Notice
Summary
The EPA said no to a request from the Center for Biological Diversity to block an air permit for the Copperstone Gold Mine in Arizona. This means the mine can keep operating under the current rules set by Arizona’s environmental agency. If anyone wants to challenge this decision, they have until September 21, 2026, to take it to court.
Analyzed Economic Effects
2 provisions identified: 1 benefits, 1 costs, 0 mixed.
Arizona mine permit upheld
On June 23, 2026, the EPA Administrator denied a petition asking the EPA to object to Arizona operating permit no. 99365 issued to Bonanza Explorations, Inc. for the Copperstone Gold Mine in La Paz County, Arizona. That denial means the state-issued Title V operating permit stays in effect and the mine may continue operating under that permit.
Deadline to challenge EPA order
Anyone seeking judicial review of the EPA order denying the petition must file a petition for review in the United States Court of Appeals no later than September 21, 2026. The filing deadline applies to challenges to the portions of the order that denied issues in the petition.
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