• High Pollution Advisory Issued for ozone in Maricopa County, Friday & Sunday, August 17 & 19
  • High Pollution Advisory Issued for ozone in Maricopa County, Sunday, August 19
  • Health Watch Issued for ozone in Maricopa County, Saturday, August 18
  • Image of a wildfire
  • 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.

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Welcome to ADEQ

New Public Notices

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09/17/18 - COMMENT PERIOD ENDS | Proposed Leaking UST Case Closure for Case File 0587.02
On September 17, 2018, the... See Notice
08/17/18 - COMMENT PERIOD BEGINS | Proposed Leaking UST Case Closure for Case File 0587.02
On Friday, August 17, 2018,... See Notice
09/14/18 - COMMENT PERIOD ENDS | Proposal to issue Air Quality Control Permit No. 72556 to Superior Industries Southwest Division
On Sept. 14, 2018, the public... See Notice
08/15/18 - COMMENT PERIOD BEGINS | Proposal to issue Air Quality Control Permit No. 72556 to Superior Industries Southwest Division
On Aug 15, 2018, the public... See Notice
09/14/18 - COMMENT PERIOD ENDS | 7th Street and Missouri Avenue RO Report Now Available
On Friday, Sept. 14, 2018,... See Notice
08/16/18 - COMMENT PERIOD BEGINS | 7th Street and Missouri Avenue RO Report Now Available
On Thursday, August 16, 2018... See Notice

New Events | Meetings | Hearings

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08/20/18 - PUBLIC MEETING | 56th Street and Earll Drive WQARF Site CAB Meeting :
... See Event Details
08/22/18 - PUBLIC EVENT | Solid and Hazardous Waste Programs Workshop :
... See Event Details
08/28/18 - WORKSHOP | Air Quality Compliance Workshop in Prescott :

... See Event Details

08/30/18 - WORKSHOP | Safe Drinking Water Rule Review :

ADEQ is holding... See Event Details

09/05/18 - STAKEHOLDER MEETING | Hazardous Waste Rulemaking :

ADEQ will be... See Event Details

09/06/18 - PUBLIC HEARING | Proposed Arizona Ozone Infrastructure State Implementation Plan Revision :

ADEQ is holding... See Event Details

09/12/18 - PUBLIC EVENT | Solid and Hazardous Waste Programs Workshop :
... See Event Details
09/14/18 - PUBLIC HEARING | Proposed Statewide Exceptional Event Mitigation Plan for PM10 Nonattainment Areas :

ADEQ is holding... See Event Details