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To protect and enhance public health and the environment.

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New Public Notices

Mar.22 - COMMENT PERIOD ENDS | Proposed Renewal of AZPDES Permit (AZ0021229) Coverage to Arizona Game & Fish Department
On March 22, 2018, the public comment period ends for the proposed renewal of Arizona Pollutant Discharge... See Notice
Feb.20 - PUBLIC NOTICE | Notice of Hazardous Substance Listing & Availability of WQARF Remedial Investigation and Feasibility Study for Lake Havasu Avenue and Holly Avenue
ADEQ placed the Lake Havasu Avenue and Holly Avenue site on the Water Quality Assurance Revolving Fund (WQARF... See Notice
Feb.20 - COMMENT PERIOD BEGINS | Proposed Renewal of AZPDES Permit (AZ0021229) Coverage to Arizona Game & Fish Department
On Tuesday, Feb. 20, 2018, the public comment period began for the proposed renewal of Arizona Pollutant... See Notice
Feb.16 - COMMENT PERIOD BEGINS | Proposed Revisions to AZPDES MS4 General Permit (AZG2016-002) Coverage for the Town of Cave Creek
On Friday, Feb. 16, 2018, the public comment period begins for proposed revisions to the Arizona Pollutant... See Notice
Mar.16 - COMMENT PERIOD ENDS | Proposed Revisions to AZPDES MS4 General Permit (AZG2016-002) Coverage for the Town of Cave Creek
On March 16, 2018, the public comment period ends for proposed revisions to the Arizona Pollutant Discharge... See Notice
Feb.9 - COMMENT PERIOD BEGINS | Preliminary Decision to Issue a State Water Quality Certification of a Federal Action to ADOT
On Friday, Feb. 9, 2018, the public comment period begins for the decision to issue a State 401 water quality... See Notice

New Events | Meetings | Hearings

Feb.20 - STAKEHOLDER MEETING | Strategies for Redesignating the Yuma PM-10 Nonattainment Area :
ADEQ welcomes input and ideas about strategies for improving air... See Event
Mar.21 - PUBLIC MEETING | Central Phoenix CAB Meeting :
ADEQ is holding this Community Advisory Board (CAB) meeting on March... See Event
Feb.23 - PUBLIC HEARING | Notice of OGCC Public Hearing :
A public hearing will be held for Arizona Oil and Gas Conservation... See Event
Feb.13 - PUBLIC MEETING | On-Site Wastewater Advisory Committee (OWAC) :
ADEQ is hosting an On-Site Wastewater Advisory Committee (OWAC)... See Event