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  • Pollution Prevention (P2) Planning is going paperless with myDEQ
  • Didn't Pass the Emissions Test...Don't pass this up!

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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03/27/20 - COMMENT PERIOD ENDS | Proposed Leaking UST Case Closure for File 5203.01 in Coolidge, Arizona
On Friday, March 27, 2020,... See Notice
02/27/20 - COMMENT PERIOD BEGINS | Proposed Leaking UST Case Closure for File 5203.01 in Coolidge, Arizona
On Thursday, Feb. 27, 2020,... See Notice
02/26/20 - COMMENT PERIOD BEGINS | Proposal to Issue Air Quality Control Permit No. 79698 for Freeport-McMoRan Safford, Inc.
On Feb. 26, 2020, the public... See Notice
03/26/20 - COMMENT PERIOD ENDS | Proposal to Issue Air Quality Control Permit No. 79698 for Freeport-McMoRan Safford, Inc.
On March 26, 2020, the public... See Notice
02/15/20 - COMMENT PERIOD BEGINS | Proposed Leaking UST Case Closure for File 5388.01 in Tucson
On Saturday, Feb. 15, 2020,... See Notice
03/16/20 - COMMENT PERIOD ENDS | Proposed Leaking UST Case Closure for File 5388.01 in Tucson
On Monday, March 16, 2020,... See Notice

New Events | Meetings | Hearings

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02/19/20 - WORKSHOP | Air Quality Rock Products General Permits - Advanced Training in Navajo County :

ADEQ is holding... See Event Details

02/20/20 - WORKSHOP | For Owners/Operators/Managers of Water Systems :

ADEQ is holding... See Event Details

02/20/20 - PUBLIC MEETING | Waters of Arizona Stakeholder Meeting | Phoenix :

ADEQ is holding... See Event Details

02/25/20 - WORKSHOP | Safe Drinking Water Rule Review for Owners/Operators/Managers of Water Systems :

ADEQ is holding... See Event Details

02/25/20 - PUBLIC MEETING | Waters of Arizona Stakeholder Meeting | Tucson :

ADEQ is holding... See Event Details

02/27/20 - PUBLIC MEETING | Waters of Arizona Stakeholder Meeting | Flagstaff :

ADEQ is holding... See Event Details

03/03/20 - WORKSHOP | FREE Training for Owners and Operators of UST Systems :

ADEQ is offering... See Event Details

03/04/20 - WORKSHOP | FREE Training for Owners and Operators of UST Systems :

ADEQ is offering... See Event Details