• Give the Gift of Clean Air | Learn More
  • Drinking Water monitoring and reporting violations are going paperless - contact a coordinator to confirm your system's email address
  • 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

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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12/17/21 - COMMENT PERIOD ENDS | Proposed Air Quality Control Renewal Permit to Freeport McMoRan Safford
On Dec. 17, 2021, the public... See Notice
11/17/21 - COMMENT PERIOD BEGINS | Proposed Air Quality Control Renewal Permit to Freeport McMoRan Safford
On Nov. 17, 2021, the public... See Notice
12/19/21 - COMMENT PERIOD ENDS | Proposed Leaking Underground Storage Tank Case Clean Up in Yuma
On Dec. 19, 2021, the public... See Notice
11/19/21 - COMMENT PERIOD BEGINS | Proposed Leaking Underground Storage Tank Case Clean Up in Yuma
On Nov. 19, 2021, the public... See Notice
11/11/21 - COMMENT PERIOD BEGINS | Proposed AZPDES Renewal Permit for the City of Goodyear 157th Avenue WRF
On Nov. 11, 2021, the public... See Notice
12/12/21 - COMMENT PERIOD ENDS | Proposed AZPDES Renewal Permit for the City of Goodyear 157th Avenue WRF
On Dec. 12, 2021, the public... See Notice

New Events | Meetings | Hearings

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12/07/21 - WEBINAR | RV/Mobile Home Park Webinar for Owners/Operators/Managers of Water Systems :

ADEQ is hosting... See Event Details