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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.29 - COMMENT PERIOD BEGINS | 7th Avenue and Bethany Home Road WQARF Site O&M Plan
On Thursday, Sept. 29, 2016, the comment period begins for a work plan/operation and maintenance (O&M)... See Notice
Sep.28 - PUBLIC NOTICE | Comments Summary and Response for the 2016 Clean Water Act Assessment
ADEQ received public comments for the 2016 Clean Water Act Assessment that began June 13, 2016, and ended... See Notice
Sep.29 - COMMENT PERIOD BEGINS | Decision to Issue a Significant Amendment to an APP to Eloy Detention Center Water Reclamation Facility (WRF)
On Thursday, Sept. 29, 2016, the comment period began for the decision to issue a significant amendment to an... See Notice
Oct.11 - COMMENT PERIOD BEGINS | Proposed Rulemaking for New Source Review
On Oct. 11, 2016, the public comment period will end for a Notice of Proposed Rulemaking (NPRM) to the state'... See Notice
Oct.26 - COMMENT PERIOD ENDS | Proposed AZPDES Renewal Permit for Petro Stopping Center
On Oct. 26, 2016, the public comment period will end for the proposed issuance of an Arizona Pollutant... See Notice
Sep.26 - COMMENT PERIOD BEGINS | Proposed AZPDES Renewal Permit for Petro Stopping Center
On Monday, Sept. 26, 2016, the comment period began for the proposed issuance of an Arizona Pollutant... See Notice

New Events | Meetings | Hearings

Oct.18 - PUBLIC MEETING | Highway 260 and Johnson Lane Meeting :
ADEQ is holding this public meeting to discuss the Highway 260 and... See Event
Nov.2 - PUBLIC EVENT | ADEQ, ADOT and Keep Arizona Beautiful Host Free Environmental Resources Roadshows in Camp Verde :
ADEQ is holding this public event to help attendees learn ways to... See Event
Nov.30 - PUBLIC EVENT | ADEQ, ADOT and Keep Arizona Beautiful Host Free Environmental Resources Roadshows in Miami :
ADEQ is holding this public event to help attendees learn ways to... See Event
Oct.18 - PUBLIC MEETING | On-site Wastewater Advisory Committee (OWAC) :
ADEQ is holding this public meeting for the On-site Wastewater... See Event