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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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02/19/21 - COMMENT PERIOD BEGINS | Preliminary Decision to Issue an Aquifer Protection Permit to Winters Well Elementary School Onsite Wastewater Facility in Tonopah, Arizona
On Friday, Feb. 19, 2021, the... See Notice
03/20/21 - COMMENT PERIOD ENDS | Preliminary Decision to Issue an Aquifer Protection Permit to Winters Well Elementary School Onsite Wastewater Facility in Tonopah, Arizona
On Saturday, March 20, 2021,... See Notice
03/23/21 - COMMENT PERIOD ENDS | No Further Action Determination for the APS Prescott Manufactured Gas Plant Substation Voluntary Remediation Program (VRP) Site
On Tuesday, March 23, 2021,... See Notice
02/23/21 - COMMENT PERIOD BEGINS | No Further Action Determination for the APS Prescott Manufactured Gas Plant Substation Voluntary Remediation Program (VRP) Site
On Tuesday, Feb. 23, 2021,... See Notice
03/18/21 - COMMENT PERIOD ENDS | Proposed Significant Revision to Air Quality Control Permit for Freeport-McMoRan Safford in Graham County
On March 18, 2021, the public... See Notice
03/22/21 - COMMENT PERIOD ENDS | Preliminary Decision to Issue a State Water Quality Certification of a Federal Action for the Sunnyside Exploratory Drilling Project
On Monday, March 22, 2021,... See Notice

New Events | Meetings | Hearings

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02/24/21 - WORKSHOP | Biohazardous Medical Waste Rulemaking - Part III :

ADEQ will... See Event Details

02/25/21 - WEBINAR | Safe Drinking Water Rule Review for Owners/Operators/Managers of Water Systems :

ADEQ is holding... See Event Details

02/25/21 - WEBINAR | Are you Ready for Hazardous Waste Reporting? :

ADEQ is holding... See Event Details

02/25/21 - PUBLIC MEETING | Highway 260 and Main Street WQARF Site CAB and Remedial Objectives Solicitation Meeting :
... See Event Details
03/02/21 - LEARNING OPPORTUNITY | Identifying and Addressing Financial Issues at Your Water System :

... See Event Details

03/09/21 - WEBINAR | Air Quality Compliance and Enforcement Overview :

Title: ADEQ Air... See Event Details

03/10/21 - WEBINAR | FREE Live Training for Owners and Operators of UST Systems :

ADEQ is offering... See Event Details

04/01/21 - WEBINAR | Emissions Inventory Workshop :

Every year ADEQ... See Event Details