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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

Sep.30 - COMMENT PERIOD ENDS | Issue Air Quality Control Renewal Permit Number 64221 to Freeport Minerals Corporation
On Sept. 30, 2016, the public comment period will end for the decision to issue an Air Quality Control... See Notice
Sep.1 - COMMENT PERIOD BEGINS | Issue Air Quality Control Renewal Permit Number 64221 to Freeport Minerals Corporation
On Thursday, Sept. 1, 2016, the comment period began for the proposed issuance of Air Quality Control Renewal... See Notice
Aug.24 - PUBLIC NOTICE | Issue Air Quality Control Registration Number 64376 to City of Flagstaff
ADEQ proposes to issue Air Quality Control Registration Number 64376 to City of Flagstaff, Utilities Division... See Notice
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

New Events | Meetings | Hearings

Sep.13 - PUBLIC MEETING | On-site Wastewater Advisory Committee (OWAC) :
ADEQ is holding this public meeting for the On-site Wastewater... 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
Jan.25 - PUBLIC EVENT | Operator Certification/Capacity Development Program Workshop :
ADEQ is holding this public event for the operator certification/... See Event