• 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
  • Didn't Pass the Emissions Test...Don't pass this up!

Our Mission

To protect and enhance public health and the environment.

Learn More

Welcome to ADEQ

New Public Notices

See all
10/17/19 - COMMENT PERIOD BEGINS | Preliminary Decision to Issue a State Water Quality Certification of a Federal Action
On Thursday, Oct. 17, 2019,... See Notice
11/18/19 - COMMENT PERIOD ENDS | Preliminary Decision to Issue a State Water Quality Certification of a Federal Action
On Monday, Nov. 18, 2019, the... See Notice
10/10/19 - COMMENT PERIOD BEGINS | Preliminary Decision to Issue a Significant Amendment to an APP for the City of Goodyear
On Thursday, Oct. 10, 2019,... See Notice
11/08/19 - COMMENT PERIOD ENDS | Preliminary Decision to Issue a Significant Amendment to an APP for the City of Goodyear
On Friday, Nov. 8, 2019, the... See Notice
10/09/19 - PUBLIC NOTICE | Availability of Feasibility Study for the 7th Street and Missouri Avenue WQARF Site
ADEQ has completed the... See Notice
10/09/19 - COMMENT PERIOD BEGINS | Proposal to Issue Air Quality Control Renewal Permit No. 77414 to to Freeport-McMoRan Bagdad Inc.
On Oct. 9, 2019, the public... See Notice

New Events | Meetings | Hearings

See all
10/15/19 - PUBLIC HEARING | Proposed Rulemaking: New Source Review - Ammonia :

ADEQ welcomes... See Event Details

10/16/19 - STAKEHOLDER MEETING | Construction General Permit (CGP) Reissuance :

The following... See Event Details

10/16/19 - PUBLIC MEETING | Central Phoenix CAB Meeting :
... See Event Details
10/24/19 - WORKSHOP | Arsenic Workshop for Owners/Operators/Managers of Water Systems :

ADEQ is offering... See Event Details

11/06/19 - PUBLIC EVENT | Solid Waste, Hazardous Waste and Pollution Prevention Workshop | Phoenix :

ADEQ invites the... See Event Details

11/07/19 - PUBLIC MEETING | Waters of Arizona Stakeholder Meeting & Tribal Listening Session | Flagstaff :

The following... See Event Details

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 | Tucson :

The following... See Event Details