• 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

Welcome to ADEQ

New Public Notices

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

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