Our Mission

To protect and enhance public health and the environment.

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New Public Notices

Jan.13 - COMMENT PERIOD BEGINS | Proposed AZPDES Renewal Permit for Wickenburg Ranch Wastewater LLC
On Friday, Jan. 13, 2017, the public comment period began for the proposed issuance of an Arizona Pollutant... See Notice
Feb.13 - COMMENT PERIOD ENDS | Proposed AZPDES Renewal Permit for Wickenburg Ranch Wastewater LLC
On Feb. 13, 2017, the public comment period will end for the proposed issuance of an Arizona Pollutant... See Notice
Feb.13 - COMMENT PERIOD ENDS | Re-noticing the Proposal to List Mesa DBCP on the WQARF Site
On Feb. 13, 2017, the public comment period will end for re-noticing the proposal to list Mesa DBCP on the... See Notice
Jan.12 - COMMENT PERIOD BEGINS | Re-noticing the Proposal to List Mesa DBCP on the WQARF Site
On Thursday, Jan. 12, 2017, the comment period began for re-noticing the proposal to list Mesa DBCP on the... See Notice
Jan.30 - COMMENT PERIOD ENDS | Decision to Issue a Significant Amendment to an APP to Freeport-McMoRan Bagdad Mine
On Jan. 30, 2017, the public comment period will end for the decision to issue a significant amendment to an... See Notice
Dec.28 - COMMENT PERIOD BEGINS | Decision to Issue a Significant Amendment to an APP to Freeport-McMoRan Bagdad Mine
On Friday, Dec. 30, 2016, the public comment period began for the decision to issue a significant amendment... See Notice

New Events | Meetings | Hearings

Jan.10 - PUBLIC MEETING | On-site Wastewater Advisory Committee (OWAC) :
ADEQ is holding this public meeting for the On-site Wastewater... See Event
Jan.31 - PUBLIC MEETING | Miracle Mile CAB Meeting :
ADEQ is holding this public meeting to discuss the Miracle Mile Water... See Event
Jan.6 - PUBLIC MEETING | Notice of Public Meeting and Possible Executive Session OGCC :
ADEQ is holding this public meeting for Arizona Oil and Gas... See Event
Jan.5 - Public Meeting | Proposed Changes to Arizona Emissions Bank :
ADEQ, in partnership with the Maricopa County Air Quality Department... See Event