Our Mission

To protect and enhance public health and the environment.

Learn More

Welcome to ADEQ

New Public Notices

Mar.22 - COMMENT PERIOD ENDS | Decision to Issue a Significant Amendment to an APP to Douglas Wastewater Treatment Plant
On March 22, 2017, the public comment period will end for the decision to issue a significant amendment to an... See Notice
Feb.22 - COMMENT PERIOD BEGINS | Decision to Issue a Significant Amendment to an APP to Douglas Wastewater Treatment Plant
On Wednesday, Feb. 22, 2017, the public comment period began for the decision to issue a significant... See Notice
Feb.17 - PUBLIC NOTICE | Water Quality Assurance Revolving Fund (WQARF) Annual Registry Report Available
Pursuant to Arizona Revised Statute (ARS) §49-287.01 (E), ADEQ is providing the annual report of the location... See Notice
Mar.15 - COMMENT PERIOD ENDS | Proposed Leaking UST Case Closure for Case File 5074.01
On March 15, 2017, the public comment period ends for the proposed closure of leaking underground storage... See Notice
Feb.15 - COMMENT PERIOD BEGINS | Proposed Leaking UST Case Closure for Case File 5074.01
On Wednesday, Feb. 15, 2017, the comment period began for the proposed closure of leaking underground storage... See Notice
Mar.28 - COMMENT PERIOD ENDS | Draft Permit Renewal for Hazardous Waste Post-Closure Facility Luke Air Force Base
On March 28, 2017, the 45-day public comment period will end for the renewal of the hazardous waste post-... See Notice

New Events | Meetings | Hearings

Feb.17 - PUBLIC MEETING | Notice of Public Meeting and Possible Executive Session OGCC :
ADEQ is holding this public meeting for Arizona Oil and Gas... See Event
Feb.21 - PUBLIC MEETING | Air Quality Division Discussion on Municipal Solid Waste Landfill Rules :
ADEQ invites you to attend a stakeholder meeting to discuss new... See Event
Feb.14 - PUBLIC MEETING | On-site Wastewater Advisory Committee (OWAC) :
ADEQ is holding this public meeting for the On-site Wastewater... See Event
Feb.3 - PUBLIC MEETING | Notice of Public Meeting and Possible Executive Session OGCC :
ADEQ is holding this public meeting for Arizona Oil and Gas... See Event