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Coal Ash (Coal Combustion Residuals)

  • EPA Proposes to Approve North Dakota's Coal Ash Permit Program

    On May 12, 2025, EPA announced a proposal to approve North Dakota's permit program application for the management of coal combustion residuals in landfills and surface impoundments. Read more about this proposal and comment by July 15.

  • 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.

About Coal Ash

  • Coal ash basics
  • Coal ash reuse

Regulations

  • Regulations for the safe disposal of coal ash
  • Wastewater discharge regulations for steam electric power plants
  • Greenhouse gas standards and guidelines for fossil fuel-fired power plants

Demonstrations

  • Cease receipt of waste deadline extension requests (Part A)
  • Alternate liner demonstrations (Part B)

Enforcement
and Compliance

  • Application of the RCRA Civil Penalty Policy to CCR program enforcement actions (pdf)  (172.55 KB)
  • Compliance assistance letters to CCR facilities
  • List of publicly accessible Internet sites
  • Enforcement initiative, alert, and settlements 

State Permit
Programs

  • Permit programs for CCR disposal units
  • Guidance for state permit programs

Frequent
Questions

  •  The effective date of the "Legacy CCR Surface Impoundments" final rule
  • Implementing the 2015 coal ash disposal rule
  • Beneficial use of coal ash
  • The relationship between the 2015 CCR Rule and the Clean Water Act permit requirements

Additional Information

  • CCR State Assistance Grant Application Portal. 
  • Puerto Rico Southern Aquifer Water Sampling Project.
  • EPA hosted a community meeting in Mount Pleasant, Texas.
  • Disposal Sites and Opportunities for Solar Photovoltaic Development.
  • Summary of the impoundment assessment effort.
  • Sign up for our newsletter "EPA Waste Management Updates."
  • "Beneficial Use Evaluation Report: Flue Gas Desulfurization Gypsum in Agriculture."
  • EPA hosted a community meeting in Waukegan, Illinois.
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on May 16, 2025
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