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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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01/21/21 - COMMENT PERIOD BEGINS | Preliminary Decision to Issue a Recycled Water Individual Permit to Town of Queen Creek Utility Services Department
On Thursday, Jan. 21, 2021,... See Notice
02/19/21 - COMMENT PERIOD ENDS | Preliminary Decision to Issue a Recycled Water Individual Permit to Town of Queen Creek Utility Services Department
On Friday, Feb. 19, 2021, the... See Notice
01/17/21 - PUBLIC NOTICE | Highway 260 and Main Street WQARF Site Feasibility Study Work Plan Available
ADEQ completed the... See Notice
02/15/21 - COMMENT PERIOD ENDS | Preliminary Decision to Issue an AZPDES Permit Renewal for the Tombstone Wastewater Treatment Plant in Cochise County
On Monday, Feb. 15, 2021, the... See Notice
02/15/21 - COMMENT PERIOD ENDS | Proposal to Issue Air Quality Control Renewal Permit for the CalPortland Rillito Cement Plant
On Feb. 15, 2021, the public... See Notice
01/15/21 - COMMENT PERIOD BEGINS | Proposal to Issue Air Quality Control Renewal Permit for the CalPortland Rillito Cement Plant
On Jan. 15, 2021, the public... See Notice

New Events | Meetings | Hearings

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01/19/21 - VIRTUAL MEETING | Underground Injection Control Primacy Rules :

ADEQ is holding... See Event Details

01/28/21 - WEBINAR | Safe Drinking Water Rule Review for Owners/Operators/Managers of Water Systems :

ADEQ is holding... See Event Details

01/28/21 - PUBLIC HEARING | Proposed Moderate PM-2.5 SIP Revision for the Nogales Nonattainment Area :

ADEQ is holding... See Event Details

01/28/21 - WEBINAR | On-Site Wastewater Treatment Stakeholder Meeting :

On-site... See Event Details

02/03/21 - WEBINAR | FREE Live Training for Owners and Operators of UST Systems :

ADEQ is offering... See Event Details

02/10/21 - WEBINAR | Delegation Agreement Training: Drinking Water Engineering Review Administrative Processes :

ADEQ is holding... See Event Details

02/17/21 - WEBINAR | Financial Management and Rates for Owners/Operators/Managers of Small Water Systems :

... 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