Our Mission

To protect and enhance public health and the environment.

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New Public Notices

May.20 - PUBLIC NOTICE | Notice of Availability for Feasibility Study Report for Klondyke Tailings Project WQARF Site
ADEQ has completed the Feasibility Study (FS) Report for the Klondyke Tailings Project Water Quality... See Notice
Jun.22 - COMMENT PERIOD ENDS | Decision to Issue a Significant Amendment to an APP to Freeport-McMoRan Sierrita Inc.
On June 22, 2017, the public comment period will end for the decision to issue an significant amendment to an... See Notice
May.17 - COMMENT PERIOD BEGINS | Decision to Issue a Significant Amendment to an APP to Freeport-McMoRan Sierrita Inc.
On Wednesday, May 17, 2017, the public comment period began for the decision to issue a significant amendment... See Notice
Jun.21 - PUBLIC NOTICE and PUBLIC HEARING | Revision to Arizona PM10 Infrastructure State Implementation Plan (SIP)
Arizona proposes to submit a revision to the Arizona SIP to satisfy infrastructure requirements under Clean... See Notice
Jun.21 - COMMENT PERIOD ENDS | Revision to Arizona PM10 Infrastructure State Implementation Plan (SIP)
On June 21, 2017, the public comment period will end for the proposal to revise to issue the Arizona PM10 ... See Notice
May.22 - COMMENT PERIOD BEGINS | Revision to Arizona PM10 Infrastructure State Implementation Plan (SIP)
On Monday, May 22, 2017, the public comment period began for the proposed to revise the Arizona PM10 ... See Notice

New Events | Meetings | Hearings

Mar.8 - PUBLIC EVENT | Safe Drinking Water Rule Review Workshop :
ADEQ is holding this public event for an Operator Certification... See Event
Sep.12 - PUBLIC EVENT | Safe Drinking Water Rule Review Workshop :
ADEQ is holding this public event for an Operator Certification... See Event
Apr.10 - PUBLIC EVENT | Safe Drinking Water Rule Review Workshop :
ADEQ is holding this public event for an Operator Certification... See Event
Oct.31 - PUBLIC EVENT | Safe Drinking Water Rule Review Workshop :
ADEQ is holding this public event for an Operator Certification... See Event