Our Mission

To protect and enhance public health and the environment.

Learn More

Welcome to ADEQ

New Public Notices

Mar.29 - COMMENT PERIOD BEGINS | Proposed AZPDES MS4 General Permit Coverage to the City of Chandler
On Wednesday, March 29, 2017, the public comment period began for the proposed issuance of Arizona Pollutant... See Notice
Apr.28 - COMMENT PERIOD ENDS | Proposed AZPDES MS4 General Permit Coverage to the City of Chandler
On April 28, 2017, the public comment period will end for the proposed issuance of Arizona Pollutant... See Notice
Apr.30 - COMMENT PERIOD ENDS | Proposed AZPDES MS4 General Permit Coverage to the Town of Youngtown
On April 30, 2017, the public comment period will end for the proposed issuance of Arizona Pollutant... See Notice
Mar.31 - COMMENT PERIOD BEGINS | Proposed AZPDES MS4 General Permit Coverage to the Town of Queen Creek
On Friday, March 31, 2017, the public comment period began for the proposed issuance of Arizona Pollutant... See Notice
Apr.30 - COMMENT PERIOD ENDS | Proposed AZPDES MS4 General Permit Coverage to the Town of Queen Creek
On April 30, 2017, the public comment period will end for the proposed issuance of Arizona Pollutant... See Notice
Mar.31 - COMMENT PERIOD BEGINS | Proposed AZPDES MS4 General Permit Coverage to the Town of Youngtown
On Friday, March 31, 2017, the public comment period began for the proposed issuance of Arizona Pollutant... See Notice

New Events | Meetings | Hearings

Mar.30 - PUBLIC MEETING | EPA Announces Proposed Plan for TIAA Superfund Site :
The EPA will hold a public meeting to explain the Proposal Plan and... See Event
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