Our Mission

To protect and enhance public health and the environment.

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Welcome to ADEQ

New Public Notices

Apr.21 - COMMENT PERIOD BEGINS | Proposed AZPDES MS4 General Permit Coverage to the Town of Fountain Hills
On Friday, April 21, 2017, the public comment period will begin for the proposed issuance of Arizona... See Notice
May.20 - COMMENT PERIOD ENDS | Proposed AZPDES MS4 General Permit Coverage to the Town of Fountain Hills
On May 20, 2017, the public comment period will end for the proposed issuance of Arizona Pollutant Discharge... See Notice
Jun.6 - COMMENT PERIOD ENDS | Draft Hazardous Waste Permit for Veolia ES Technical Solutions, L.L.C.
On June 6, 2017, the 45-day public comment period will end for the preparation of a draft hazardous waste... See Notice
Apr.23 - COMMENT PERIOD BEGINS | Draft Hazardous Waste Permit for Veolia ES Technical Solutions, L.L.C.
On Sunday, April 23, 2017, the 45-day public comment period begins for the preparation of a draft hazardous... See Notice
Apr.21 - COMMENT PERIOD BEGINS | Proposed AZPDES MS4 General Permit Coverage to the City of Flagstaff
On Friday, April 21, 2017, the public comment period will begin for the proposed issuance of Arizona... See Notice
May.20 - COMMENT PERIOD ENDS | Proposed AZPDES MS4 General Permit Coverage to the City of Flagstaff
On May 20, 2017, the public comment period will end for the proposed issuance of Arizona Pollutant Discharge... See Notice

New Events | Meetings | Hearings

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
May.2 - Air Quality Compliance & Permits Workshop | Kingman :
ADEQ Air Compliance staff will make presentations on the following:... See Event