Hazardous and Solid Waste Management System: Disposal of Coal Combustion Residuals From Electric Utilities; CCR Management Unit Deadline Extension Rule

Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Environmental Protection Agency 40 CFR Part 257 [EPA-HQ-OLEM-2020-0107; FRL-7814.2-05-0LEM] RIN 2050-AH36 AGENCY: Environmental Protection Agency (EPA). ACTION: Final rule. SUMMARY: On May 8, 2024, the Environmental Protection Agency established regulatory requirements, including compliance deadlines, for legacy coal combustion residuals surface impoundments and coal combustion residual management units under the Resource Conservation and Recovery Act. This action extends the existing deadlines for owners and operators of active coal combustion residual facilities or inactive coal combustion residual facilities with a legacy coal combustion residual surface impoundment to comply with the facility evaluation requirements for identifying coal combustion residual management units. This action also extends the existing deadline for owners and operators of coal combustion residual management units to comply with the groundwater monitoring provisions and the remaining provisions for coal combustion residual management units. Finally, EPA is taking final action on several rule amendments that were proposed on January 16, 2025, to correct errors and clarify the coal combustion residual regulations. DATES: This final rule is effective February 9, 2026. ADDRESSES: EPA has established a docket for this action under Docket ID No. EPA-HQ-OLEM-2020-0107. All documents in the docket are listed on the https://www.regulations.gov website. Although listed in the index, some information is not …