• October is Children's Environmental Health Month - Click to Learn About Helping Your Community Become More Air Aware
  • 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

Our Mission

To protect and enhance public health and the environment.

Learn More

Welcome to ADEQ

New Public Notices

See all
10/10/18 - COMMENT PERIOD BEGINS | Proposal to Issue Air Quality Control Permit No. 73215 to Bonanza Explorations, Inc.
On Oct. 10, 2018, the public... See Notice
11/09/18 - COMMENT PERIOD ENDS | Proposal to Issue Air Quality Control Permit No. 73215 to Bonanza Explorations, Inc.
On Friday, Nov. 9, 2018, the... See Notice
10/10/18 - COMMENT PERIOD BEGINS | Proposal to Issue Air Quality Control Permit Renewal Permit No. 73126 to Sturm Ruger & Co., Inc.
On Oct. 10, 2018, the public... See Notice
11/09/18 - COMMENT PERIOD ENDS | Proposal to Issue Air Quality Control Permit Renewal Permit No. 73126 to Sturm Ruger & Co., Inc.
On Friday, Nov. 9, 2018, the... See Notice
10/10/18 - COMMENT PERIOD BEGINS | Preliminary Decision to Issue a Recycled Water Individual Permit to APS for Sundance Power Plant
On Wednesday, Oct. 10, 2018,... See Notice
11/10/18 - COMMENT PERIOD ENDS | Preliminary Decision to Issue a Recycled Water Individual Permit to APS for Sundance Power Plant
On Saturday, Nov. 10, 2018,... See Notice

New Events | Meetings | Hearings

See all
10/02/18 - STAKEHOLDER MEETING | State Assumption of Clean Water Act § 404 :

ADEQ invites you... See Event Details

10/02/18 - STAKEHOLDER MEETING | 2021 Arizona Regional Haze State Implementation Plan :

ADEQ is required... See Event Details

10/10/18 - PUBLIC MEETING | Cooper Road and Commerce Avenue CAB Meeting :
... See Event Details
10/16/18 - STAKEHOLDER MEETING | Potential Voluntary Remediation Program Legislation :

ADEQ's Waste... See Event Details

10/16/18 - PUBLIC MEETING | Upper Santa Cruz River Clean Water Plan :
... See Event Details
10/17/18 - WEBINAR | Solid Waste: Used and Waste Tires :

ADEQ's Waste... See Event Details

10/25/18 - PUBLIC HEARING | Proposal to Issue Air Quality Control Permit No. 71539 to Rose Acre Farms, Inc. :

... See Event Details

10/29/18 - WORKSHOP | Arsenic Treatment Technologies for Owners/Operators/Managers of Water Systems :

ADEQ is offering... See Event Details