Air Plan Approval; Wisconsin; Moderate Attainment Plan Elements for Wisconsin's 2015 Ozone Standard Areas
EPA proposes to approve Wisconsin's moderate attainment plan for the 2015 ozone standard, which may impose new emissions controls on sources in nonattainment areas.
Aforeworn detected this change in the Environmental & Emissions Compliance (EPA) space on July 29, 2026 and published this briefing so affected operators are forewarned rather than caught off guard. It is rated Medium urgency. Manufacturers, power generators, chemical processors, and other sources of NOx and VOCs in Wisconsin's 2015 ozone nonattainment areas. should confirm how it applies to their specific situation before acting. There is a time constraint attached: Comments on the proposed approval are due by May 4, 2026 (30 days after publication on April 2, 2026).. Acting after that point can mean penalties, a lapsed licence, or lost eligibility — exactly the kind of surprise Aforeworn exists to prevent. Aforeworn monitors Environmental & Emissions Compliance (EPA) continuously and turns every detected change into a plain-English briefing like this one, so you always know first. Forewarned is forearmed.
What changed
EPA is proposing approval of Wisconsin's plan to meet moderate attainment requirements for the 2015 ozone standard, which includes enforceable emissions limits, monitoring, and reporting obligations.
Who it affects
Manufacturers, power generators, chemical processors, and other sources of NOx and VOCs in Wisconsin's 2015 ozone nonattainment areas.
What you must do
Review the proposed plan to determine if your facility is in a nonattainment area and subject to new or revised emissions limits, monitoring, or reporting requirements.
Deadline
Comments on the proposed approval are due by May 4, 2026 (30 days after publication on April 2, 2026).
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