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PUBLIC NOTICE | Proposed Yuma Ozone Marginal SIP Revision

Pursuant to Section 107(d)(1)(B) of the Clean Air Act (CAA), the EPA designated an area in southwest Yuma County as a “marginal” nonattainment area for the 2015 8-hour Ozone National Ambient Air Quality Standards (NAAQS) in 2018. EPA based its designation on recorded violations of the standard at an ambient monitoring site within the county.

ADEQ is responsible for the preparation and submittal of this State Implementation Plan (SIP) revision and welcomes public comment.

Review Documents

Published Public Notice | View >
Draft Proposed SIP Revision | View >

Documents are also available for review at ADEQ's Records Center | Learn More > 

Comment Period

May 29, 2020 – July 1, 2020

You can submit comments by one of the following:

By Email:

Send Email > 

By Mail:

Must be postmarked or received no later than July 1, 2020
Ray Caccavale
Air Quality Division
1110 W. Washington St.
Phoenix, AZ 85007

Public Hearing

Comments are also welcome at the following public hearing in person or by phone:

Date: July 1, 2020
Time: 3 p.m.
Location: ADEQ Phoenix Office, Room 3175
                   1110 W. Washington St.
                   Phoenix, AZ 85007
                   Call In Option: 
                   PIN: 777 015 761#