• Save up to $900 on emissions-related repairs using the Voluntary Vehicle Repair Program
  • UST reporting now available in myDEQ - Click to learn more and register for an account today
  • Learn ways you can help protect Arizona waters
  • Sanitary sewer overflow (SSO) and bypass reporting goes paperless with myDEQ
  • Air Quality Excess Emissions and Permit Deviations Reporting Now on myDEQ

Welcome to ADEQ

New Public Notices

10/18/21 - COMMENT PERIOD BEGINS | Proposed Leaking UST Release Case Closure for Case File 5571.01-.02 in Yuma, Arizona
On Oct. 18, 2021, the public... See Notice
11/17/21 - COMMENT PERIOD ENDS | Proposed Leaking UST Release Case Closure for Case File 5571.01-.02 in Yuma, Arizona
On Nov. 17, 2021, the public... See Notice
10/15/21 - COMMENT PERIOD BEGINS | Proposed AZPDES Renewal Permit for the Petro Stopping Center in Kingman
On Oct. 15, 2021, the public... See Notice
11/15/21 - COMMENT PERIOD ENDS | Proposed AZPDES Renewal Permit for the Petro Stopping Center in Kingman
On Nov. 15, 2021, the public... See Notice
11/12/21 - PUBLIC NOTICE | Opportunity to Provide Feedback for On-site Wastewater Treatment Rulemaking Draft Rule Language
ADEQ has extended the... See Notice
10/14/21 - COMMENT PERIOD BEGINS | | Proposed Arizona Pollutant Discharge Elimination System (AZPDES) Pretreatment Program Approval
On Oct. 14, 2021, the public... See Notice

New Events | Meetings | Hearings

10/19/21 - PUBLIC HEARING | Proposed New AZPDES Permit for the Tucson Airport Area Remediation Project Water Treatment Plant :

ADEQ is holding... See Event Details

10/20/21 - WEBINAR | Motorola 52nd Street Community Information Group :
10/21/21 - WEBINAR | Point of Use Policies for Owners/Operators/Managers of Water Systems :

ADEQ is holding... See Event Details

10/21/21 - PUBLIC HEARING | Proposal to Issue Air Quality Permit to Newlife Forest Products LLC for Sawmill in Bellmont :

ADEQ is holding... See Event Details

11/02/21 - PUBLIC MEETING | Phoenix-Goodyear Airport (North and South Area) Superfund Site Community Action Group :

The EPA is... See Event Details

11/10/21 - WEBINAR | Learn About Free Financial Tools for Owners/Operators/Managers of Water Systems :

ADEQ is holding... See Event Details