EPA Proposed Approval of West Virginia's Revised State Plan for Municipal Solid Waste Landfill Emissions

The U.S. Environmental Protection Agency (EPA) has proposed to approve a revision to West Virginia's Clean Air Act (CAA) Section 111(d) state plan, submitted by the West Virginia Department of Environmental Protection (WVDEP). The revision updates the state's existing plan to align with changes made to the federal Emissions Guidelines and Compliance Times for municipal solid waste (MSW) landfills. Section 111(d) of the CAA requires states to submit plans establishing emission standards and compliance schedules for existing sources of air pollution in designated categories. In this case, the regulated sources are existing MSW landfills, which emit landfill gas containing pollutants such as non-methane organic compounds (NMOCs) that contribute to air quality degradation. By approving this revision, the EPA would formally incorporate West Virginia's updated compliance framework into the federally enforceable state implementation structure. The proposed rule is subject to public comment before final action is taken, giving stakeholders an opportunity to weigh in on the revised plan's adequacy and enforceability. This action reflects ongoing federal-state coordination under the CAA to ensure that existing pollution sources meet updated national emission standards, with states retaining flexibility in how they structure their compliance programs.

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