• 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.

Learn More

Welcome to ADEQ

New Public Notices

See all
11/18/19 - COMMENT PERIOD BEGINS | Miller Valley Road and Hillside Avenue WQARF Site Draft Remedial Investigation Report and Solicitation of Remedial Objectives
On Monday, Nov. 18, 2019, the... See Notice
01/17/20 - COMMENT PERIOD ENDS | Miller Valley Road and Hillside Avenue WQARF Site Draft Remedial Investigation Report and Solicitation of Remedial Objectives
On Jan. 17, 2020, the public... See Notice
11/15/19 - COMMENT PERIOD BEGINS | Proposed Reissuance of Construction General Permit (CGP) for Stormwater Discharges Associated with Construction Activities
On Friday, Nov. 15, 2019, the... See Notice
12/20/19 - COMMENT PERIOD ENDS | Proposed Reissuance of Construction General Permit (CGP) for Stormwater Discharges Associated with Construction Activities
On Friday, Dec. 20, 2019, the... See Notice
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

New Events | Meetings | Hearings

See all
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

12/12/19 - STAKEHOLDER MEETING | Tier II Chemical Reporting Inventory System Meeting No. 3 :

ADEQ invites you... See Event Details

12/12/19 - PUBLIC HEARING | Proposed Revision to SIP for Miami Sulfur Dioxide (SO2) Nonattainment Area :

ADEQ welcomes... See Event Details

12/19/19 - PUBLIC HEARING | Proposed Reissuance of Construction General Permit (CGP) for Stormwater Discharges Associated with Construction Activities :

ADEQ invites... See Event Details