• Military and Out-of-State Exemptions for Vehicle Emissions Tests Are Now Online
  • Learn About Financial Assistance Opportunities with Expanded Eligibility for the Underground Storage Tank Preapproval Program & Time-Barred Claims Program
  • Click Here for a How-to Video About Registering for the Operator Certification Exam
  • Didn't Pass the Emissions Test...Don't pass this up!
  • Program Provides Reimbursement for Certain Tank Site Improvements
  • Search ADEQ Databases online

Welcome to ADEQ

New Public Notices

02/22/19 - COMMENT PERIOD BEGINS | Proposed Major Modification of AZPDES Permit (AZ0020001) Coverage for Tres Rios Water Reclamation Facility
On Feb. 22, 2019, the public... See Notice
03/25/19 - COMMENT PERIOD ENDS | Proposed Major Modification of AZPDES Permit (AZ0020001) Coverage for Tres Rios Water Reclamation Facility
On March 25, 2019, the public... See Notice
02/21/19 - COMMENT PERIOD BEGINS | Proposed AZPDES Permit Renewal (AZ0023442) for the City of Phoenix - Val Vista Water Treatment Plant
On Thursday, Feb. 21, 2019,... See Notice
03/22/19 - COMMENT PERIOD ENDS | Proposed AZPDES Permit Renewal (AZ0023442) for the City of Phoenix - Val Vista Water Treatment Plant
On March 22, 2019, the public... See Notice
02/21/19 - COMMENT PERIOD BEGINS | Proposed Modification of AZPDES Permit (AZ0026280) Coverage for Glen Canyon Dam Power Plant
On Thursday, Feb. 21, 2019,... See Notice
03/22/19 - COMMENT PERIOD ENDS | Proposed Modification of AZPDES Permit (AZ0026280) Coverage for Glen Canyon Dam Power Plant
On Friday, March 22, 2019,... See Notice

New Events | Meetings | Hearings

02/21/19 - PUBLIC EVENT | Solid and Hazardous Waste Programs Workshop - Phoenix :
02/26/19 - WORKSHOP | FREE Training for Owners and Operators of UST Systems :

ADEQ is offering... See Event Details

02/26/19 - PUBLIC MEETING | Shannon Road/El Camino Del Cerro WQARF Site CAB Meeting :
02/27/19 - WORKSHOP | FREE Training for Owners and Operators of UST Systems :

ADEQ is offering... See Event Details

02/28/19 - WORKSHOP | FREE Training for Owners and Operators of UST Systems :

ADEQ is offering... See Event Details

03/19/19 - PUBLIC MEETING | Miracle Mile WQARF Site CAB Meeting :
03/28/19 - PUBLIC HEARING | Triennial Review: Proposed Surface Water Quality Rules :

ADEQ welcomes... See Event Details

04/30/19 - WORKSHOP | Safe Drinking Water Rule Review :

ADEQ is holding... See Event Details