Final rule · 2026-03820

Wyoming: Approval of State Coal Combustion Residuals Permit Program

The Environmental Protection Agency (EPA or the Agency) is approving the Wyoming partial coal combustion residuals (CCR) permit program under the Resource Conservation and Recovery Act (RCRA). After reviewing the CCR permit program application submitted by the Wyoming Department of Environmental Quality (WDEQ), EPA has determined that Wyoming's partial CCR permit program meets the standard for approval under RCRA. Wyoming's partial CCR permit program will operate in lieu of the Federal CCR program, with the exception of the specific provisions noted below.