Coal Ash (Coal Combustion Residuals)

EPA Grants Extension Request for Arizona Facility

On March 20, 2025, EPA approved the Salt River Project’s request to extend the deadline to cease using the Coronado Generating Station Evaporation Pond due to grid reliability and resource adequacy concerns.
EPA Withdraws Coal Ash Technical Corrections Rule

On March 14, 2025, after receiving adverse comments, EPA withdrew the second of two direct final rules that corrected errors and clarified several provisions in the May 2024 Legacy CCR Surface Impoundments final rule.
EPA Denies Alabama CCR Permit Program Application

On May 23, 2024, EPA announced the denial of the application submitted by the Alabama Department of Environmental Management to allow the Alabama CCR permit program to operate in lieu of the federal CCR program.
Puerto Rico Southern Aquifer Water Sampling Project

Between April and May 2023, EPA conducted sampling of drinking water wells and the Guayama Drinking Water Treatment Plant in southern Puerto Rico. Access the sampling report, results, and presentation slides.

EPA Grants Extension Request for Arizona Facility