Our Mission

To protect and enhance public health and the environment.

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Welcome to ADEQ

New Public Notices

Apr.28 - ADEQ Notice of Expiration of Duplicative Rules
The rules listed below in Title 18 Chapter 1 of the Arizona Administrative Code concerning appeals... See Notice
May.27 - COMMENT PERIOD ENDS | Decision to Issue a Significant Amendment to an APP to Water Innovation Challenge
On May 27, 2017, the public comment period will end for the decision to issue a significant amendment to an... See Notice
Apr.28 - COMMENT PERIOD BEGINS | Decision to Issue a Significant Amendment to an APP to Water Innovation Challenge
On Friday, April 28, 2017, the public comment period began for the decision to issue a significant amendment... See Notice
May.28 - COMMENT PERIOD ENDS | Proposed AZPDES MS4 General Permit Coverage to the City of Peoria
On May 28, 2017, the public comment period will end for the proposed issuance of Arizona Pollutant Discharge... See Notice
Apr.28 - COMMENT PERIOD BEGINS | Proposed AZPDES MS4 General Permit Coverage to the City of Peoria
On Friday, April 28, 2017, the public comment period will begin for the proposed issuance of Arizona... See Notice
Apr.28 - COMMENT PERIOD BEGINS | Proposed AZPDES MS4 General Permit Coverage to the University of Arizona
On Friday, April 28, 2017, the public comment period will begin for the proposed issuance of Arizona... See Notice

New Events | Meetings | Hearings

May.23 - PUBLIC EVENT | ADEQ and Keep Arizona Beautiful Host Free Environmental Resources Roadshows in Gila Bend :
ADEQ is holding this public event to help attendees learn ways to... See Event
May.3 - Air Quality Compliance & Permits Workshop | Prescott Valley :
ADEQ Air Compliance staff will make presentations on the following:... See Event
May.8 - Air Quality Compliance & Permits Workshop | Safford :
ADEQ Air Compliance staff will make presentations on the following:... See Event
May.9 - Air Quality Compliance & Permits Workshop | Sierra Vista :
ADEQ Air Compliance staff will make presentations on the following:... See Event