The Wyoming Department of Environmental Quality
Air Quality Division (WDEQ-AQD) Public Engagement Session for Upper Green River Basin Request for Redesignation to Attainment and Maintenance Plan

The Wyoming Department of Environmental Quality/Air Quality Division (AQD) will hold a public engagement session for the Upper Green River Basin (UGRB) Ozone Request for Redesignation to Attainment and Maintenance Plan process. On December 3, 2024, a Public Engagement Session will be held at 10:30 a.m., Sublette County Public Library, 155 S Tyler Avenue, Pinedale, Wyoming.

This meeting will include an AQD presentation on the topic outlined above. Following the presentation, attendees will have opportunities to engage and provide input to help inform the Division’s process for submitting a request to the EPA to formally redesignate the Upper Green River Basin (UGRB) back to attainment status, as required by the 2008 Ozone National Ambient Air Quality Standards (NAAQS). This Request for Redesignation process will also include the development of a Maintenance Plan for the UGRB under the requirements of Clean Air Act Section 175A.

After years of collaborative efforts between the community, regulated industry, and the AQD, the UGRB attained the 2008 Ozone NAAQS for three consecutive years in 2015. The Environmental Protection Agency (EPA) recognized this accomplishment with the issuance of a Determination of Attainment in April 2016. However, to formally remove the nonattainment status, the Clean Air Act requires states to undertake a formal request for redesignation process in order for EPA to issue a reattainment status.  This meeting will address the steps required..

If you have any questions regarding the engagement session, or for more information about the UGRB Ozone Request for Redesignation, please contact [email protected].

Para español, visite deq.wyoming.gov.

In accordance with the Americans with Disabilities Act, special assistance or alternative formats will be made available upon request for individuals with disabilities.

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