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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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10/17/22 - COMMENT PERIOD ENDS | Surface Water Protection Program (SWPP) Rulemaking
On Oct. 17, 2022, the comment... See Notice
09/16/22 - COMMENT PERIOD BEGINS | Surface Water Protection Program (SWPP) Rulemaking
On Sept. 16, 2022, the... See Notice
11/10/22 - COMMENT PERIOD ENDS | Arizona State Implementation Plan Revision: New Source Review – Municipal Incinerators and Inter-Precursor Trading
On Nov. 10, 2022, the public... See Notice
10/11/22 - COMMENT PERIOD BEGINS | Arizona State Implementation Plan Revision: New Source Review – Municipal Incinerators and Inter-Precursor Trading
On Oct. 11, 2022, the public... See Notice
10/31/22 - COMMENT PERIOD ENDS | Renewal AZPDES Permit to Motorola Solutions Inc. for North Indian Bend Wash GAC Treatment Facility in Maricopa County
On Oct. 31, 2022, the public... See Notice
09/30/22 - COMMENT PERIOD BEGINS | Renewal AZPDES Permit to Motorola Solutions Inc. for North Indian Bend Wash GAC Treatment Facility in Maricopa County
On Sept. 30, 2022, the public... See Notice

New Events | Meetings | Hearings

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10/04/22 - PUBLIC MEETING | Arizona State Emergency Response Commission (AZSERC) :

The Arizona... See Event Details

10/12/22 - VIRTUAL STAKEHOLDER MEETING | Hazardous Waste Program Proposed Fees :

ADEQ's Hazardous... See Event Details

10/12/22 - VIRTUAL STAKEHOLDER MEETING | Proposed Increases to Water Quality Individual Permit Fees :

ADEQ is holding... See Event Details

10/12/22 - VIRTUAL STAKEHOLDER MEETING | Proposed Increases to Operator Certification Program Fees :

ADEQ is holding... See Event Details

10/14/22 - VIRTUAL STAKEHOLDER MEETING | Proposed Increases to Water Quality General Permit Fees :

ADEQ is holding... See Event Details

10/17/22 - UPDATED | PUBLIC HEARING | SIP Supplement for CAA § 110(a)(2): Implementation of the SO2 NAAQS :

... See Event Details

10/17/22 - PUBLIC HEARING | Surface Water Protection Program (SWPP) Rulemaking :

ADEQ is holding... See Event Details

10/18/22 - WEBINAR | PFAS Overview for Arizona Water System Owners/Operators/Managers :

ADEQ is holding... See Event Details