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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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09/29/20 - COMMENT PERIOD BEGINS | Proposed Termination of Corrective Action Plan for a Leaking UST at Red Mesa Trading Co. in Coconino County
On Tuesday, Sept. 29, 2020,... See Notice
10/29/20 - COMMENT PERIOD ENDS | Proposed Termination of Corrective Action Plan for a Leaking UST at Red Mesa Trading Co. in Coconino County
On Thursday, Oct. 29, 2020,... See Notice
09/25/20 - COMMENT PERIOD BEGINS | Preliminary Decision to Issue an Individual AZPDES Permit for Sedona Venture Wastewater Treatment Plant
On Friday, Sept. 25, 2020,... See Notice
10/26/20 - COMMENT PERIOD ENDS | Preliminary Decision to Issue an Individual AZPDES Permit for Sedona Venture Wastewater Treatment Plant
On Monday, Oct. 26, 2020, the... See Notice
09/23/20 - COMMENT PERIOD BEGINS | Preliminary Decision to Issue an Individual Aquifer Protection Permit for the River Sands RV Wastewater Treatment Plant
On Wednesday, Sept. 23, 2020... See Notice
10/22/20 - COMMENT PERIOD ENDS | Preliminary Decision to Issue an Individual Aquifer Protection Permit for the River Sands RV Wastewater Treatment Plant
On Thursday, Oct. 22, 2020,... See Notice

New Events | Meetings | Hearings

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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

09/14/20 - WEBINAR | Tribal Nation Information Session | Initial Screening Toolkit for Permittees :

Tribal Nation... See Event Details

09/15/20 - WEBINAR | Initial Screening Toolkit for Permittees :

Clean Water Act... See Event Details

09/22/20 - WEBINAR | Regional Haze Stakeholder Meeting :

ADEQ is holding... See Event Details

09/25/20 - PUBLIC MEETING | Notice of Public Meeting and Possible Executive Session AOGCC :
... See Event Details
09/29/20 - WEBINAR | Safe Drinking Water Rule Review for Owners/Operators/Managers of Water Systems :

ADEQ is holding... See Event Details

10/13/20 - WEBINAR | New Source Performance Standard, Subpart OOO - Nonmetallic Minerals Processing :

ADEQ is holding... See Event Details

10/15/20 - PUBLIC MEETING | West Central Phoenix CAB Meeting :
... See Event Details