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Our Mission

To protect and enhance public health and the environment.

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Welcome to ADEQ

New Public Notices

Aug.24 - COMMENT PERIOD BEGINS | Proposed AZPDES Renewal Permit for The City of Benson WWTP
On Wednesday, Aug. 24, 2016, the comment period began for the proposed issuance of an Arizona Pollutant... See Notice
Sep.24 - COMMENT PERIOD ENDS | Proposed AZPDES Renewal Permit for The City of Benson WWTP
On Sept. 24, 2016, the public comment period will end for the proposed issuance of an Arizona Pollutant... See Notice
Aug.18 - PUBLIC NOTICE | Exceptional Events in the Maricopa County (Greater Phoenix) O3 Nonattainment Area
Call for Comments Comment Period: August 16 – September 16 ADEQ is soliciting comments on its final... See Notice
Aug.17 - COMMENT PERIOD BEGINS | Proposal to Issue Air Quality Control Permit to Arizona Natural Resources Products, LLC
On Wednesday, Aug. 17, 2016, the comment period began for the proposed issuance of Air Quality Control Permit... See Notice
Sep.15 - COMMENT PERIOD ENDS | Proposal to Issue Air Quality Control Permit to Arizona Natural Resources Products, LLC
On September 15, 2016 the public comment period will end for the decision to issue an Air Quality Control... See Notice
Aug.11 - PUBLIC NOTICE | Notice of Hazardous Substance Listing & Start of Remedial Investigation & Feasibilty Study for 7th St & Missouri Avenue WQARF Site
The 7th Street and Missouri Avenue site in Phoenix is bounded to the north by East Montebello Avenue, to the... See Notice

New Events | Meetings | Hearings

Apr.25 - PUBLIC EVENT | Operator Certification/Capacity Development Program Workshop :
ADEQ is holding this public event for the operator certification/... See Event
Jun.7 - PUBLIC EVENT | Operator Certification/Capacity Development Program Workshop :
ADEQ is holding this public event for the operator certification/... See Event
Oct.11 - PUBLIC EVENT | Operator Certification/Capacity Development Program Workshop :
ADEQ is holding this public event for the operator certification/... See Event
Nov.30 - PUBLIC EVENT | Operator Certification/Capacity Development Program Workshop :
ADEQ is holding this public event for the operator certification/... See Event