• Give the Gift of Clean Air
  • Why emissions testing is essential
  • emissions testing is essential
  • ADEQs Path Forward | COVID-19
  • Learn ways you can help protect Arizona waters
  • House Bill 2704 Enhances Underground Storage Tanks Financial Assistance Programs. Click to Learn More.

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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01/06/21 - COMMENT PERIOD ENDS | Significant Revision to Air Quality Control Permit No. 85690 to Freeport-McMoRan Miami Inc.
On Jan. 6, 2021, the public... See Notice
12/02/20 - COMMENT PERIOD BEGINS | Significant Revision to Air Quality Control Permit No. 85690 to Freeport-McMoRan Miami Inc.
On Dec. 2, 2020, the public... See Notice
01/04/21 - COMMENT PERIOD ENDS | Proposed Leaking UST Release Case Closure for Case File 4366.01 & .02 in Phoenix, Arizona
On Monday, Jan. 4, 2021, the... See Notice
12/03/20 - COMMENT PERIOD BEGINS | Proposed Leaking UST Release Case Closure for Case File 4366.01 & .02 in Phoenix, Arizona
On Thursday, Dec. 3, 2020,... See Notice
11/27/20 - COMMENT PERIOD BEGINS | Preliminary Decision to Issue a Significant Amendment to U.S. Army Garrison in Yuma
On Friday, Nov. 27, 2020, the... See Notice
12/26/20 - COMMENT PERIOD ENDS | Preliminary Decision to Issue a Significant Amendment to U.S. Army Garrison in Yuma
On Saturday, Dec. 26, 2020,... See Notice

New Events | Meetings | Hearings

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12/01/20 - WEBINAR | Safe Drinking Water Rule Review for Owners/Operators/Managers of Water Systems :

ADEQ is holding... See Event Details

12/08/20 - STAKEHOLDER MEETING | Yuma PM-10 Nonattainment Area Planning Update :

ADEQ will... See Event Details

12/09/20 - PUBLIC MEETING | Cooper Road and Commerce Avenue WQARF Site CAB Meeting :
... See Event Details
01/06/21 - COMMENT PERIOD HEARING | Significant Revision to Air Quality Control Permit No. 85690 to Freeport-McMoRan Miami Inc. :

ADEQ is holding... See Event Details

01/28/21 - WEBINAR | Safe Drinking Water Rule Review for Owners/Operators/Managers of Water Systems :

ADEQ is holding... See Event Details

02/25/21 - WEBINAR | Safe Drinking Water Rule Review for Owners/Operators/Managers of Water Systems :

ADEQ is holding... See Event Details

04/27/21 - WEBINAR | Safe Drinking Water Rule Review for Owners/Operators/Managers of Water Systems :

ADEQ is holding... See Event Details

06/29/21 - WEBINAR | Safe Drinking Water Rule Review for Owners/Operators/Managers of Water Systems :

ADEQ is holding... See Event Details