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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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08/18/20 - COMMENT PERIOD BEGINS | Preliminary Decision to Issue a Significant Amendment to an APP for Oracle Ridge Mine Tailing Storage Facility
On Monday, Aug. 18, 2020, the... See Notice
09/16/20 - COMMENT PERIOD ENDS | Preliminary Decision to Issue a Significant Amendment to an APP for Oracle Ridge Mine Tailing Storage Facility
On Wednesday, Sept. 16, 2020... See Notice
08/06/20 - COMMENT PERIOD BEGINS | Preliminary Decision to Issue a Significant Amendment to an APP for Florence Copper Project
On Thursday, Aug. 6, 2020,... See Notice
09/11/20 - COMMENT PERIOD ENDS | Preliminary Decision to Issue a Significant Amendment to an APP for Florence Copper Project
On Friday, Sept. 11, 2020,... See Notice
08/06/20 - PUBLIC NOTICE | Record of Decision Available for West Central Phoenix — North Plume WQARF Site
ADEQ has issued a record of... See Notice
08/04/20 - COMMENT PERIOD BEGINS | Preliminary Decision to Issue a Significant Amendment to an APP for the White Mountain Lake WWTP
On Tuesday, Aug. 4, 2020, the... See Notice

New Events | Meetings | Hearings

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07/17/20 - PUBLIC MEETING | Notice of Public Meeting and Possible Executive Session AOGCC :
... See Event Details
07/21/20 - WORKSHOP | Hazardous Waste Rule Update :

ADEQ is holding... See Event Details

08/26/20 - PUBLIC MEETING | Miracle Mile CAB Meeting :

ADEQ is holding... See Event Details

08/26/20 - PUBLIC HEARING | Preliminary Decision to Issue an Individual APP for Prize Energy Resources :

ADEQ is holding... See Event Details

08/27/20 - WEBINAR | Asset Management and Technical Assistance for Owners/Operators/Managers of Small Water Systems :

ADEQ is holding... See Event Details

08/28/20 - WEBINAR | Arizona Groundwater/Wastewater System Operators :

ADEQ is holding... See Event Details

09/02/20 - PUBLIC MEETING | Park-Euclid / 7th Street and Arizona Avenue / Stone Avenue and Grant Road WQARF Sites CAB Meeting :
... See Event Details
09/09/20 - PUBLIC HEARING | Preliminary Decision to Issue a Significant Amendment to an APP for Florence Copper Project :

ADEQ is holding... See Event Details