Our Mission

To protect and enhance public health and the environment.

Learn More

Welcome to ADEQ

New Public Notices

Mar.24 - COMMENT PERIOD BEGINS | Proposed AZPDES MS4 General Permit Coverage to the Town of Gilbert
On Friday, March 24, 2017, the public comment period began for the proposed issuance of Arizona Pollutant... See Notice
Apr.23 - COMMENT PERIOD ENDS | Proposed AZPDES MS4 General Permit Coverage to the Town of Gilbert
On April 23, 2017, the public comment period will end for the proposed issuance of Arizona Pollutant... See Notice
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, 2017, the public comment period began for the proposed issuance of an Arizona... 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