• UST reporting now available in myDEQ - Click to learn more and register for an account today
  • Learn ways you can help protect Arizona waters
  • House Bill 2704 Enhances Underground Storage Tanks Financial Assistance Programs. Click to Learn More.
  • Sanitary sewer overflow (SSO) and bypass reporting goes paperless with myDEQ

Welcome to ADEQ

New Public Notices

10/29/21 - COMMENT PERIOD ENDS | No Further Action Determination for the APS 2nd Avenue Manufactured Gas Plant Voluntary Remediation Program (VRP) Site
On Oct. 29, 2021, the public... See Notice
09/17/21 - COMMENT PERIOD BEGINS | No Further Action Determination for the APS 2nd Avenue Manufactured Gas Plant Voluntary Remediation Program (VRP) Site
On Sept. 17, 2021, the public... See Notice
09/14/21 - PUBLIC NOTICE | Air Pollution Control Rules Five Year Rule Review
ADEQ is required to review... See Notice
09/15/21 - COMMENT PERIOD BEGINS | Proposed Significant Amendment to an APP for Luke 303 Water Reclamation Facility in Maricopa County
On Sept. 15, 2021, the public... See Notice
10/14/21 - COMMENT PERIOD ENDS | Proposed Significant Amendment to an APP for Luke 303 Water Reclamation Facility in Maricopa County
On Oct. 14, 2021, the public... See Notice
09/10/21 - COMMENT PERIOD BEGINS | Preliminary Decision to Issue a State Water Quality Certification of a Federal Action to the U.S. Army Corps of Engineers
On Friday, Sept. 10, 2021,... See Notice

New Events | Meetings | Hearings

09/17/21 - PUBLIC MEETING | Notice of Virtual Public Meeting and Possible Executive Session AOGCC :
09/21/21 - PUBLIC MEETING | Highway 260 and Johnson Lane Community Advisory Board :
09/23/21 - PUBLIC MEETING | Holding & Funding Household Hazardous Waste/e-Waste Events in Rural Arizona :

Join ADEQ to... See Event Details

09/29/21 - STAKEHOLDER MEETING | Virtual Informational Webinar on NWPR Repeal & State Surface Water Protection Program :

ADEQ invites... See Event Details

09/30/21 - VIRTUAL MEETING | LCRR Focus Group II - Lead Service Line & Materials Inventories (Cont.) :

ADEQ's Safe... See Event Details

09/30/21 - PUBLIC MEETING | Cooper Road and Commerce Avenue Community Advisory Board :
10/19/21 - PUBLIC HEARING | Proposed New AZPDES Permit for the Tucson Airport Area Remediation Project Water Treatment Plant :

ADEQ is holding... See Event Details