Coal Combustion Residuals

EPA Proposes Changes to Coal Combustion Residuals Regulations

On April 9, 2026, EPA announced proposed revisions to regulations for the disposal of coal combustion residuals in landfills and surface impoundments. The proposal would provide relief for dewatering structures and legacy units, remove or narrow the scope of CCR management units, establish a new compliance pathway that allows for site-specific considerations in permitting, and revise the definition of beneficial use to promote resource recovery. EPA will accept comments on this proposal for 60 days.
EPA Approves Wyoming's CCR Permit Program

On February 24, 2026, EPA announced final approval of Wyoming's permit program application for the management of coal combustion residuals in landfills and surface impoundments. Read more about this approval.
EPA Proposes to Rescind Denial and Approve Application for the Coronado Generating Station

On February 13, 2026, EPA announced a proposal to rescind the previous denial and approve the alternate liner demonstration application that Coronado Generating Station in St. Johns, AZ submitted for agency review. Find out more.
EPA Announces CCR Management Unit Deadline Extensions

On February 6, 2026, EPA announced a final rule that provides additional time for facilities to meet evaluation requirements for identifying CCR management units and to comply with groundwater monitoring provisions. Find out more on our Legacy Rule webpage.