• Save up to $900 on emissions-related repairs using the Voluntary Vehicle Repair Program
  • UST reporting now available in myDEQ - Click to learn more and register for an account today
  • 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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10/20/21 - Air Quality General Permits Issued Within the Last 30 Days
The Department is required to... See Notice
10/19/21 - COMMENT PERIOD BEGINS | Settlement Agreements Available for the Park-Euclid WQARF Site
On Oct. 19, 2021, the public... See Notice
11/19/21 - COMMENT PERIOD ENDS | Settlement Agreements Available for the Park-Euclid WQARF Site
On Nov. 18, 2021, the public... See Notice
10/18/21 - COMMENT PERIOD BEGINS | Proposed Leaking UST Release Case Closure for Case File 5571.01-.02 in Yuma, Arizona
On Oct. 18, 2021, the public... See Notice
11/17/21 - COMMENT PERIOD ENDS | Proposed Leaking UST Release Case Closure for Case File 5571.01-.02 in Yuma, Arizona
On Nov. 17, 2021, the public... See Notice
10/15/21 - COMMENT PERIOD BEGINS | Proposed AZPDES Renewal Permit for the Petro Stopping Center in Kingman
On Oct. 15, 2021, the public... See Notice

New Events | Meetings | Hearings

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11/02/21 - PUBLIC MEETING | Phoenix-Goodyear Airport (North and South Area) Superfund Site Community Action Group :

The EPA is... See Event Details

11/10/21 - WEBINAR | Learn About Free Financial Tools for Owners/Operators/Managers of Water Systems :

ADEQ is holding... See Event Details