Our Mission

To protect and enhance public health and the environment.

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Welcome to ADEQ

New Public Notices

Mar.22 - COMMENT PERIOD BEGINS | Issue Air Quality Control Renewal Permit Number 65288 to the Arizona Department of Emergency & Military Affairs
On Wednesday, March 22, 2017, the public comment period began for the proposed issuance of Air Quality... See Notice
Apr.20 - COMMENT PERIOD ENDS | Issue Air Quality Control Renewal Permit Number 65288 to the Arizona Department of Emergency & Military Affairs
On April 20, 2017, the public comment period will end for the decision to issue an Air Quality Control... See Notice
Apr.22 - COMMENT PERIOD ENDS | Proposed AZPDES MS4 General Permit Coverage to Coconino County
On April 22, 2017, the public comment period will end for the proposed issuance of Arizona Pollutant... See Notice
Mar.23 - COMMENT PERIOD BEGINS | Proposed AZPDES Renewal Permit for EPCOR Water Arizona Inc.
On Thursday, March 23, 2016, the public comment period began for the proposed issuance of an Arizona... See Notice
Apr.21 - COMMENT PERIOD ENDS | Proposed AZPDES Renewal Permit for EPCOR Water Arizona Inc.
On April 21, 2017, the public comment period will end for the proposed issuance of an Arizona Pollutant... See Notice
Mar.23 - COMMENT PERIOD BEGINS | Proposed AZPDES MS4 General Permit Coverage to Coconino County
On Thursday, March 23, 2017, the public comment period began for the proposed issuance of Arizona Pollutant... See Notice

New Events | Meetings | Hearings

Mar.16 - PUBLIC MEETING | Notice of Public Meeting and Possible Executive Session OGCC :
ADEQ is holding this public meeting for Arizona Oil and Gas... See Event
Apr.20 - PUBLIC HEARING | Proposed San Manuel Sulfur Dioxide Maintenance Plan Renewal :
ADEQ is holding this public hearing to discuss the proposed San... See Event
Mar.14 - PUBLIC MEETING | CANCELED On-site Wastewater Advisory Committee (OWAC) :
This public meeting for the On-site Wastewater Advisory Committee (... See Event
Mar.31 - PUBLIC HEARING | Proposal to Issue Air Quality General Permits :
ADEQ is holding this public hearing to discuss the proposed issuance... See Event