• DRYWELLS (OR INJECTION WELLS) ARE NOW MANAGED BY EPA. Click to learn more
  • ADEQ 2022 Legislative Summary Now Available
  • Opt in to receive e-statements/invoices for your environmental permits/registrations instantly to your email inbox
  • Save up to $900 on emissions-related repairs using the Voluntary Vehicle Repair Program
  • Learn ways you can help protect Arizona waters
  • Air Quality Excess Emissions and Permit Deviations Reporting Now on myDEQ
  • AirArizonaWebBanner_0819.png

Our Mission

To protect and enhance public health and the environment.

Learn More

Welcome to ADEQ

New Public Notices

See all
04/17/23 - COMMENT PERIOD ENDS | New AZPDES Permit AZ0026425 for the Sarival Water Reclamation Facility in Maricopa County
On April 16, 2023, the public... See Notice
03/16/23 - COMMENT PERIOD BEGINS | New AZPDES Permit AZ0026425 for the Sarival Water Reclamation Facility in Maricopa County
On March 16, 2023, the public... See Notice
04/17/23 - COMMENT PERIOD ENDS | Work Plan Available for SFPP, L.P. Silvercroft Wash Release VRP Site
On April 17, 2023, the public... See Notice
03/17/23 - COMMENT PERIOD BEGINS | Work Plan Available for SFPP, L.P. Silvercroft Wash Release VRP Site
On March 17, 2023, the public... See Notice
03/14/23 - COMMENT PERIOD BEGINS | Renewal of Air Quality Control Permit to Schuff Steel Company in Coconino County
On March 15, 2023, the public... See Notice
04/14/23 - COMMENT PERIOD ENDS | Renewal of Air Quality Control Permit to Schuff Steel Company in Coconino County
On April 14, 2023, the public... See Notice

New Events | Meetings | Hearings

See all
03/20/23 - WORKSHOP | Air Quality Compliance Assistance - Flagstaff :

... See Event Details

03/21/23 - WORKSHOP | Air Quality Compliance Assistance - Kingman :

... See Event Details

03/21/23 - WEBINAR | When Will Corrosion Control Evaluations be Required for Water Systems under LCRR? :

ADEQ is holding... See Event Details

03/22/23 - WORKSHOP | In-Person Training for Water System Owners/Operators/Managers :

ADEQ invites... See Event Details

03/27/23 - WORKSHOP | Air Quality Compliance Assistance - Yuma :

... See Event Details

03/29/23 - PUBLIC MEETING | Iron King Mine - Humboldt Smelter Superfund Site Proposed Plan :

US Environmental... See Event Details

04/18/23 - WORKSHOP | ADEQ/AzWARN — Security Readiness & Emergency Preparedness :

ADEQ and AzWARN... See Event Details

05/19/23 - PUBLIC EVENT | Water Utility Leadership Forum presented by NAMWUA :

Northern Arizona... See Event Details