21 Aug 2025

🌬️EPA Proposes Redesignation of Muscatine, IA Air Quality Status

Air Plan Approval; IA, Muscatine; 2010 1-Hour SO2 Maintenance Plan and Redesignation

Summary

The Environmental Protection Agency (EPA) is proposing to redesignate the nonattainment area in Muscatine County, Iowa to attainment for the 2010 1-hour sulfur dioxide (SO<INF>2</INF>) National Ambient Air Quality Standard (NAAQS). The EPA is also proposing to approve Iowa's maintenance plan for the 2010 1-hour SO<INF>2</INF> NAAQS for the Muscatine nonattainment area and approve modifications to source-specific permits in the Iowa State Implementation Plan (SIP). The EPA's proposed approval of this rule revision is being done in accordance with the requirements of the Clean Air Act (CAA).

Agencies

  • Environmental Protection Agency

Business Impact ?

$$ - Med

The regulatory text proposes the redesignation of Muscatine, IA, from nonattainment to attainment for sulfur dioxide standards. This change directly impacts local businesses by potentially reducing compliance requirements and permitting challenges. Furthermore, it encourages investment in local infrastructure to comply with air quality standards.

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