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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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12/22/22 - COMMENT PERIOD ENDS | Significant Amendment to Aquifer Protection Permit for Mineral Park Mine in Mohave County
On Dec. 22, 2022, the public... See Notice
11/23/22 - COMMENT PERIOD BEGINS | Significant Amendment to Aquifer Protection Permit for Mineral Park Mine in Mohave County
On Nov. 23, 2022, the public... See Notice
12/23/22 - COMMENT PERIOD ENDS | Significant Amendment to Aquifer Protection Permit for Pinto Valley Mine in Gila County
On Dec. 23, 2022, the public... See Notice
11/23/22 - COMMENT PERIOD BEGINS | Significant Amendment to Aquifer Protection Permit for Pinto Valley Mine in Gila County
On Nov. 23, 2022, the public... See Notice
12/19/22 - COMMENT PERIOD ENDS | Renewal of AZPDES Permit #AZ0026115 for Five Rivers Cattle Feeding Operation in Yuma County
On Dec. 19, 2022, the public... See Notice
11/18/22 - COMMENT PERIOD BEGINS | Renewal of AZPDES Permit #AZ0026115 for Five Rivers Cattle Feeding Operation in Yuma County
On Nov. 18, 2022, the public... See Notice

New Events | Meetings | Hearings

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11/30/22 - PUBLIC MEETING | Lead and Copper Rule Revision Updates and Q&A :

ADEQ is holding... See Event Details

12/01/22 - PUBLIC HEARING | Notice of Proposed Revision to Arizona’s Forest and Range Fire Management Regulatory Rules :

ADEQ is holding... See Event Details

12/07/22 - PUBLIC MEETING | Lake Havasu City WQARF Sites Community Meeting :

... See Event Details

12/12/22 - PUBLIC HEARING | Renewal of AZPDES Permit AZ0026387 for the January Mine Hermosa Project Water Treatment Plant in Santa Cruz County :

ADEQ is holding... See Event Details

12/20/22 - PUBLIC HEARING | Hazardous Waste Fees Rulemaking :

... See Event Details