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Our Mission

To protect and enhance public health and the environment.

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Welcome to ADEQ

New Public Notices

Jun.24 - COMMENT PERIOD BEGINS | For Aquifer Protection Permit (APP) # 511308
On Friday, June 24, 2016 the comment period began for St. Johns Gas Unit (Stimulated Carbon dioxide Wells).... See Notice
Jul.24 - COMMENT PERIOD ENDS | For Aquifer Protection Permit (APP) # 511308
On July 24, 2016 the public comment period will end for APP # 511308 for St. Johns Gas Unit (Stimulated... See Notice
Jun.23 - COMMENT PERIOD BEGINS | For Arizona Pollutant Discharge Elimination System (AZPDES) Permit # AZ0023612
On Thursday, June 23, 2016 the comment period began for U.S. Department of Interior, National Park Service.... See Notice
Jul.23 - COMMENT PERIOD ENDS | For Arizona Pollutant Discharge Elimination System (AZPDES) Permit # AZ0023612
On July 23, 2016 the public comment period for AZPDES Permit # AZ0023612 for U.S. Department of the Interior... See Notice
Jun.23 - COMMENT PERIOD BEGINS | For Aquifer Protection Permit (APP) # 100388
On Thursday, June 23, 2016 the comment period began for Palo Verde Nuclear Generating Station. ADEQ is... See Notice
Jul.23 - COMMENT PERIOD ENDS | For Aquifer Protection Permit (APP) # 100388
On July 23, 2016 the public comment period will end for APP # 100388 for Palo Verde Nuclear Generating... See Notice

New Events | Meetings | Hearings

Jun.20 - PUBLIC HEARING | For Air Quality Division: Revision of Concrete Batch Plant, Crushing & Screening Plants, and Hot Mix Asphalt Plants General Permits :
The Arizona State Department of Environmental Quality (ADEQ) is... See Event
Jun.16 - PUBLIC EVENT | Operator Certification/Capacity Development Program Workshop :
The Arizona State Department of Environmental Quality (ADEQ) is... See Event
Jun.21 - PUBLIC EVENT | Operator Certification/Capacity Development Program Workshop :
The Arizona State Department of Environmental Quality (ADEQ) is... See Event
Jul.1 - PUBLIC HEARING | For Proposed 2015 Ozone NAAQS Boundary Recommendations Draft Report :
The Arizona State Department of Environmental Quality (ADEQ) is... See Event