{"abstract":"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.","action":"Final rule.","agencies":[{"raw_name":"ENVIRONMENTAL PROTECTION AGENCY","name":"Environmental Protection Agency","id":145,"url":"https://www.federalregister.gov/agencies/environmental-protection-agency","json_url":"https://www.federalregister.gov/api/v1/agencies/145","parent_id":null,"slug":"environmental-protection-agency"}],"body_html_url":"https://www.federalregister.gov/documents/full_text/html/2026/02/10/2026-02599.html","cfr_references":[{"chapter":null,"citation_url":null,"part":"257","title":40}],"citation":"91 FR 5806","comment_url":null,"comments_close_on":null,"correction_of":null,"corrections":[],"dates":"This final rule is effective February 9, 2026.","disposition_notes":null,"docket_ids":["EPA-HQ-OLEM-2020-0107","FRL-7814.2-05-0LEM"],"dockets":[{"supporting_documents":[{"title":"U.S. Environmental Protection Agency Information Collection Request Title: Disposal of Coal Combustion Residuals from Electric Utilities (Final Rule) OMB Control Number: 2050-NEW EPA ICR Number: 2761.02","document_id":"EPA-HQ-OLEM-2020-0107-1077"},{"title":"Executive Order 12866 Review Draft RIA Redline cleared by OMB April 22, 2024","document_id":"EPA-HQ-OLEM-2020-0107-1072"},{"title":"IPM Sensitivity Runs Technical Memo","document_id":"EPA-HQ-OLEM-2020-0107-1071"},{"title":"Executive Order 12866 Review Draft; Regulatory Impact Analysis submitted to the Office of Management and Budget on March 15, 2024","document_id":"EPA-HQ-OLEM-2020-0107-1060"},{"title":"Consent Decree, State of Maryland et. al v. Genon MD Ash Management, LLC (No. 8:12-cv-03755-PJM, D. Md., May 1, 2013)","document_id":"EPA-HQ-OLEM-2020-0107-1056"},{"title":"Volume I Response to Comments- Legacy CCR Surface Impoundment Comments. April 2024","document_id":"EPA-HQ-OLEM-2020-0107-1038"},{"title":"Universe of CCR Management Units. April 2024","document_id":"EPA-HQ-OLEM-2020-0107-1032"},{"title":"U.S. EPA. 2017. “Verification Study of the Preliminary Remediation Goals for Radionuclides (PRG) Electronic Calculator.”","document_id":"EPA-HQ-OLEM-2020-0107-1024"},{"title":"U.S. EPA. 2005g. “Ecological Soil Screening Levels for Cobalt Interim Final.” OSWER Directive 9285.7-67","document_id":"EPA-HQ-OLEM-2020-0107-1023"},{"title":"U.S. EIA (Energy Information Administration). 1983. “Historic Coal Production Data: 1983.” Available online at: https://www.eia.gov/coal/data.php. Last Accessed: January 19, 2024","document_id":"EPA-HQ-OLEM-2020-0107-1016"}],"agency_name":"EPA","documents":[{"comment_count":null,"comment_start_date":null,"updated_at":"2026-02-10T09:55:55.234-05:00","comment_url":"https://www.regulations.gov/commenton/EPA-HQ-OLEM-2020-0107-1371","allow_late_comments":false,"id":"EPA-HQ-OLEM-2020-0107-1371","comment_end_date":null,"regulations_dot_gov_open_for_comment":false}],"supporting_documents_count":399,"id":"EPA-HQ-OLEM-2020-0107","title":"Hazardous and Solid Waste Management System: Disposal of Coal Combustion Residuals from Electric Utilities; Legacy Surface Impoundments"}],"document_number":"2026-02599","effective_on":"2026-02-09","end_page":5825,"executive_order_notes":null,"executive_order_number":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2026/02/10/2026-02599.xml","html_url":"https://www.federalregister.gov/documents/2026/02/10/2026-02599/hazardous-and-solid-waste-management-system-disposal-of-coal-combustion-residuals-from-electric","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/2026-02599?publication_date=2026-02-10","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2026-02-10/2026-02599/mods.xml","not_received_for_publication":null,"page_length":20,"page_views":{"count":1642,"last_updated":"2026-07-27 12:15:04 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2026-02-10/pdf/2026-02599.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2026-02599.pdf?1770412509","publication_date":"2026-02-10","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2026/02/10/2026-02599.txt","regulation_id_number_info":{"2050-AH36":{"issue":"202504","html_url":"https://www.federalregister.gov/regulations/2050-AH36/hazardous-and-solid-waste-management-system-disposal-of-coal-combustion-residuals-from-electric-util","title":"Hazardous and Solid Waste Management System: Disposal of Coal Combustion Residuals from Electric Utilities; CCR Management Unit Deadline Extension Rule","xml_url":"http://www.reginfo.gov/public/do/eAgendaViewRule?pubId=202504&RIN=2050-AH36&operation=OPERATION_EXPORT_XML","priority_category":"Substantive, Nonsignificant"}},"regulation_id_numbers":["2050-AH36"],"regulations_dot_gov_info":{"supporting_documents":[{"title":"U.S. Environmental Protection Agency Information Collection Request Title: Disposal of Coal Combustion Residuals from Electric Utilities (Final Rule) OMB Control Number: 2050-NEW EPA ICR Number: 2761.02","document_id":"EPA-HQ-OLEM-2020-0107-1077"},{"title":"Executive Order 12866 Review Draft RIA Redline cleared by OMB April 22, 2024","document_id":"EPA-HQ-OLEM-2020-0107-1072"},{"title":"IPM Sensitivity Runs Technical Memo","document_id":"EPA-HQ-OLEM-2020-0107-1071"},{"title":"Executive Order 12866 Review Draft; Regulatory Impact Analysis submitted to the Office of Management and Budget on March 15, 2024","document_id":"EPA-HQ-OLEM-2020-0107-1060"},{"title":"Consent Decree, State of Maryland et. al v. 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