• ADEQ 2022 Budget and Legislative Agenda
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  • Save up to $900 on emissions-related repairs using the Voluntary Vehicle Repair Program
  • Learn ways you can help protect Arizona waters
  • Sanitary sewer overflow (SSO) and bypass reporting goes paperless with myDEQ
  • Air Quality Excess Emissions and Permit Deviations Reporting Now on myDEQ

Our Mission

To protect and enhance public health and the environment.

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Welcome to ADEQ

New Public Notices

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09/06/22 - COMMENT PERIOD ENDS | Proposal to Issue Air Quality Permit Reopening for the Coronado Generating Station in Apache County
On Sept. 6, 2022, the public... See Notice
08/04/22 - COMMENT PERIOD BEGINS | Proposal to Issue Air Quality Permit Reopening for the Coronado Generating Station in Apache County
On Aug. 4, 2022, the public... See Notice
08/29/22 - COMMENT PERIOD ENDS | Renewal AZPDES Permit for El Mirage Wastewater Reclamation Facility in Maricopa County
On Aug. 29, 2022, the public... See Notice
07/29/22 - COMMENT PERIOD BEGINS | Renewal AZPDES Permit for El Mirage Wastewater Reclamation Facility in Maricopa County
On July 29, 2022, the public... See Notice
08/31/22 - COMMENT PERIOD ENDS | Dust Mitigation Plan Review and Update for PM-10 Reduction in Nonattainment Areas
On Aug. 31, 2022, the comment... See Notice
07/28/22 - COMMENT PERIOD BEGINS | Dust Mitigation Plan Review and Update for PM-10 Reduction in Nonattainment Areas
ADEQ's Air Quality Division... See Notice

New Events | Meetings | Hearings

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08/31/22 - PUBLIC HEARING | Dust Mitigation Plan Review and Update for PM-10 Reduction in Nonattainment Areas :

... See Event Details

09/06/22 - PUBLIC HEARING | Proposal to Issue Air Quality Permit Reopening for the Coronado Generating Station in Apache County :

ADEQ is holding... See Event Details

09/07/22 - WEBINAR | Funding Workshop for Drinking Water System Owners/Operators/Managers :

ADEQ is holding... See Event Details

09/13/22 - PUBLIC MEETING | Community Advisory Board Meeting for Tucson Area WQARF Sites :
... See Event Details