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  • ADEQ 2022 Legislative Summary Now Available
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  • Learn ways you can help protect Arizona waters
  • Sanitary sewer overflow (SSO) and bypass reporting goes paperless with myDEQ

Welcome to ADEQ

New Public Notices

09/21/22 - COMMENT PERIOD ENDS | Proposed Air Quality Renewal Permit for Needle Mountain Liquified Natural Gas Plant in Mohave County
On Sep. 21, 2022, the public... See Notice
08/21/22 - COMMENT PERIOD BEGINS | Proposed Air Quality Renewal Permit for Needle Mountain Liquified Natural Gas Plant in Mohave County
On Aug. 21, 2022, the public... See Notice
09/22/22 - COMMENT PERIOD ENDS | Proposed Plan for Fort Tuthill Small Arms Range Impact Area MRS in Coconino County
On Sep. 22, 2022, the public... See Notice
08/19/22 - COMMENT PERIOD BEGINS | Proposed Plan for Fort Tuthill Small Arms Range Impact Area MRS in Coconino County
On Aug. 19, 2022, the public... See Notice
09/19/22 - COMMENT PERIOD ENDS | No Further Action Determination Request for Mission Linen Supply VRP Site in Phoenix
On Sep. 19, 2022, the public... See Notice
08/18/22 - COMMENT PERIOD BEGINS | No Further Action Determination Request for Mission Linen Supply VRP Site in Phoenix
On Aug. 18, 2022, the public... See Notice

New Events | Meetings | Hearings

08/31/22 - PUBLIC HEARING | Dust Mitigation Plan Review and Update for PM-10 Reduction in Nonattainment Areas :
09/06/22 - PUBLIC HEARING | Proposal to Issue Air Quality Permit Reopening for the Coronado Generating Station in Apache County :

ADEQ is holding... See Event Details

09/07/22 - WEBINAR | Funding Workshop for Drinking Water System Owners/Operators/Managers :

ADEQ is holding... See Event Details

09/12/22 - PUBLIC HEARING | SIP Supplement for CAA § 110(a)(2): Implementation of the SO2 NAAQS :
09/13/22 - PUBLIC MEETING | Community Advisory Board Meeting for Tucson Area WQARF Sites :
09/28/22 - PUBLIC MEETING | Central Phoenix WQARF Sites CAB Meeting :