• Learn more about protection of Arizona waters and subscribe to the email list.
  • House Bill 2704 Enhances Underground Storage Tanks Financial Assistance Programs. Click to Learn More.
  • Sanitary sewer overflow (SSO) and bypass reporting goes paperless with myDEQ
  • Arsenic Workshop for Owners, Operators and Managers of Water Systems
  • Air Quality Excess Emissions and Permit Deviations Reporting Now on myDEQ
  • AirArizonaWebBanner_0819.png
  • Pollution Prevention (P2) Planning is going paperless with 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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11/08/19 - COMMENT PERIOD BEGINS | Work Plan Available for the Properties Adjacent to US Border Patrol Former Pistol Range VRP Site
On Friday, Nov. 8, 2019, the... See Notice
12/09/19 - COMMENT PERIOD ENDS | Work Plan Available for the Properties Adjacent to US Border Patrol Former Pistol Range VRP Site
On Monday, Dec. 9, 2019, the... See Notice
11/06/19 - PUBLIC NOTICE | Final RI Report and FS Work Plan Available for Stone Avenue and Grant Road WQARF Site
ADEQ has completed the... See Notice
11/07/19 - COMMENT PERIOD BEGINS | Proposed Renewal of AZPDES Permit (AZ0022381) Coverage to EPCOR Water – Chaparral City
On Thursday, Nov. 7, 2019,... See Notice
12/06/19 - COMMENT PERIOD ENDS | Proposed Renewal of AZPDES Permit (AZ0022381) Coverage to EPCOR Water – Chaparral City
On Friday, Dec. 6, 2019, the... See Notice
12/05/19 - COMMENT PERIOD ENDS | Preliminary Decision to Issue an APP for the Former Gibson Mine
On Thursday, Dec. 5, 2019,... See Notice

New Events | Meetings | Hearings

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11/08/19 - STAKEHOLDER MEETING | Affordable Clean Energy Rule :

ADEQ invites you... See Event Details

11/12/19 - PUBLIC MEETING | Waters of Arizona Stakeholder Meeting & Tribal Listening Session | Phoenix :

The following... See Event Details

11/14/19 - PUBLIC MEETING | Waters of Arizona Stakeholder Meeting & Tribal Listening Session | Tucson :

The following... See Event Details

12/09/19 - STAKEHOLDER MEETING | Tier II Chemical Reporting Inventory System Meeting No. 1 :

ADEQ invites you... See Event Details

12/09/19 - STAKEHOLDER MEETING | Tier II Chemical Reporting Inventory System Meeting No. 2 :

ADEQ invites you... See Event Details

12/10/19 - WORKSHOP | FREE Training for Owners and Operators of UST Systems :

ADEQ is offering... See Event Details

12/11/19 - WORKSHOP | FREE Training for Owners and Operators of UST Systems :

ADEQ is offering... See Event Details

12/12/19 - WORKSHOP | FREE Training for Owners and Operators of UST Systems :

ADEQ is offering... See Event Details