Our Mission

To protect and enhance public health and the environment.

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Welcome to ADEQ

New Public Notices

Sep.19 - COMMENT PERIOD BEGINS | Proposed AZPDES Permit Renewal to the City of Holbrook
On Friday, Aug. 25, 2017, the public comment period will begin for the proposed issuance of Arizona Pollutant... See Notice
Oct.19 - COMMENT PERIOD ENDS | Proposed AZPDES Permit Renewal to the City of Holbrook
On Oct. 19, 2017, the public comment period will end for the proposed issuance of Arizona Pollutant Discharge... See Notice
Oct.18 - COMMENT PERIOD ENDS | Proposed Cleanup for LUST Case No. 392.04-.07
On Oct. 18, 2017, the public comment period will end for the proposed Corrective Action Plan (CAP) for... See Notice
Sep.18 - COMMENT PERIOD BEGINS | Proposed Cleanup for LUST Case No. 392.04-.07
On Monday, Sept. 18, 2017, the public comment period begins for the proposed Corrective Action Plan (CAP) for... See Notice
Sep.15 - COMMENT PERIOD BEGINS | Proposal to Issue Air Quality Class I Renewal Permit No. 66292 to Copper Mountain Landfill Inc.
On Friday, Sept. 15, 2017, the public comment period began for the proposed issuance of Air Quality Class I... See Notice
Oct.16 - COMMENT PERIOD ENDS | Proposal to Issue Air Quality Class I Renewal Permit No. 66292 to Copper Mountain Landfill Inc.
On Oct. 16, 2017, the public comment period will end for the decision to issue Air Quality Class I Renewal... See Notice

New Events | Meetings | Hearings

Sep.20 - PUBLIC EVENT | Free Energy Efficiency Webinar for Pollution Prevention Week :
For National Pollution Prevention (P2) Week, ADEQ invites you to join... See Event
Oct.17 - PUBLIC EVENT | FREE Training Workshop for Owners, Managers and Operators of Public Water Systems :
ADEQ is offering this free two-day training for owners, managers and... See Event
Oct.18 - PUBLIC EVENT | FREE Training Workshop for Owners, Managers and Operators of Public Water Systems :
ADEQ is offering this free two-day training for owners, managers and... See Event
Oct.16 - PUBLIC HEARING | Proposal to Issue Air Quality Control Significant Permit Revision No. 66329 to ASARCO LLC :
ADEQ is holding this public hearing to discuss the issuance of Air... See Event