Our Mission

To protect and enhance public health and the environment.

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New Public Notices

Apr.26 - COMMENT PERIOD BEGINS | Issue Air Quality Control Renewal Permit Number 65444 to Open Loop Energy - Nichols Facility
On Wednesday, April 26, 2017, the public comment period began for the proposed issuance of Air Quality... See Notice
May.25 - COMMENT PERIOD ENDS | Issue Air Quality Control Renewal Permit Number 65444 to Open Loop Energy - Nichols Facility
On May 25, 2017, the public comment period will end for the decision to issue an Air Quality Control Renewal... See Notice
Apr.25 - COMMENT PERIOD BEGINS | Revised Stormwater Management Plan for Arizona Department of Transportation AZPDES MS4 Individual Permit
On Tuesday, April 25, 2017, the public comment period will begin for the issued statewide Arizona Pollutant... See Notice
May.25 - COMMENT PERIOD ENDS | Revised Stormwater Management Plan for Arizona Department of Transportation AZPDES MS4 Individual Permit
On May 25, 2017, the public comment period will end for the issued statewide Arizona Pollutant Discharge... See Notice
Apr.25 - COMMENT PERIOD BEGINS | Proposed AZPDES MS4 General Permit Coverage to Carl T. Hayden VA Medical Center
On Tuesday, April 25, 2017, the public comment period will begin for the proposed issuance of Arizona... See Notice
May.25 - COMMENT PERIOD ENDS | Proposed AZPDES MS4 General Permit Coverage to Carl T. Hayden VA Medical Center
On May 25, 2017, the public comment period will end for the proposed issuance of Arizona Pollutant Discharge... See Notice

New Events | Meetings | Hearings

May.15 - Air Quality Compliance & Permits Workshop | Fredonia :
ADEQ Air Compliance staff will make presentations on the following:... See Event
May.17 - Air Quality Compliance & Permits Workshop | Snowflake :
ADEQ Air Compliance staff will make presentations on the following:... See Event
May.2 - PUBLIC EVENT | Water Quality Division: Reclaimed Water Rules Revision Stakeholder Meeting :
ADEQ is holding this stakeholder meeting to discuss a draft proposed... See Event
May.18 - Air Quality Compliance & Permits Workshop | Flagstaff :
ADEQ Air Compliance staff will make presentations on the following:... See Event