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Our Mission

To protect and enhance public health and the environment.

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Welcome to ADEQ

New Public Notices

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03/30/23 - COMMENT PERIOD ENDS | Significant Revision to Air Quality Control Permit for Yucca Power Plant in Yuma
On April 30, 2023, the public... See Notice
03/31/23 - COMMENT PERIOD BEGINS | Significant Revision to Air Quality Control Permit for Yucca Power Plant in Yuma
On March 31, 2023, the public... See Notice
04/29/23 - COMMENT PERIOD ENDS | Significant Amendment to Individual Aquifer Protection Permit for the Kingman Correctional Facility Water Reclamation Facility in Mohave County
On April 29, 2023, the public... See Notice
05/10/23 - COMMENT PERIOD ENDS | Proposed Leaking UST Cleanup at Pilot Travel Center #328 in La Paz County
On May 10, 2023, the public... See Notice
04/10/23 - COMMENT PERIOD BEGINS | Proposed Leaking UST Cleanup at Pilot Travel Center #328 in La Paz County
On April 10, 2023, the public... See Notice
03/31/23 - COMMENT PERIOD BEGINS | Significant Amendment to Individual Aquifer Protection Permit for the Kingman Correctional Facility Water Reclamation Facility in Mohave County
On March 31, 2023, the public... See Notice

New Events | Meetings | Hearings

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04/05/23 - STAKEHOLDER MEETING | Updated Proposal: Water Quality Permit and Service Fees :

... See Event Details

04/13/23 - VIRTUAL WORKSHOP | Annual Air Emissions Inventory 2023 :

ADEQ invites air... See Event Details

04/18/23 - WORKSHOP | ADEQ/AzWARN — Security Readiness & Emergency Preparedness :

ADEQ and AzWARN... See Event Details

04/20/23 - PUBLIC MEETING | Air Quality Discussion for Rillito PM-10 Nonattainment Area Community :

ADEQ is holding... See Event Details

04/28/23 - PUBLIC MEETING | Arizona Regulatory Roadshow: The Bed, Bank & Beyond :

ADEQ is co-... See Event Details

05/01/23 - PUBLIC HEARING | Significant Revision to Air Quality Control Permit for Yucca Power Plant in Yuma :

ADEQ is holding... See Event Details

05/19/23 - PUBLIC EVENT | Water Utility Leadership Forum presented by NAMWUA :

Northern Arizona... See Event Details

06/07/23 - WORKSHOP | Wastewater Treatment and Collection: In-Person Operator Certification Training | FLAGSTAFF :

ADEQ invites... See Event Details