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  • Save up to $900 on emissions-related repairs using the Voluntary Vehicle Repair Program
  • Learn ways you can help protect Arizona waters
  • Sanitary sewer overflow (SSO) and bypass reporting goes paperless with myDEQ
  • Air Quality Excess Emissions and Permit Deviations Reporting Now on myDEQ

Welcome to ADEQ

New Public Notices

06/13/22 - COMMENT PERIOD ENDS | Proposed 401 State Water Quality Certification for ADOT Project in Phoenix
On June 13, 2022, the public... See Notice
05/13/22 - COMMENT PERIOD BEGINS | Proposed 401 State Water Quality Certification for ADOT Project in Phoenix
On May 13, 2022, the public... See Notice
06/10/22 - COMMENT PERIOD ENDS | AZPDES Renewal Permit for City of Peoria Jomax Water Reclamation Facility
On Friday, June 10, 2022, the... See Notice
05/11/22 - COMMENT PERIOD BEGINS | AZPDES Renewal Permit for City of Peoria Jomax Water Reclamation Facility
On Wednesday, May 11, 2022,... See Notice
06/09/22 - COMMENT PERIOD ENDS | Air Quality Renewal Permit for Yuma Hot-Mix Asphalt Plant in Yuma County
On Thursday, June 9, 2022,... See Notice
05/10/22 - COMMENT PERIOD BEGINS | Air Quality Renewal Permit for Yuma Hot-Mix Asphalt Plant in Yuma County
On Tuesday, May 10, 2022, the... See Notice

New Events | Meetings | Hearings

05/23/22 - STAKEHOLDER MEETING | State Surface Water Protection Program: Environmental, Social, and Economic Cost/Benefit Technical Paper :

ADEQ invites... See Event Details

05/26/22 - STAKEHOLDER MEETING | Regional Haze Nonpoint Rulemaking: Second Implementation Period :

ADEQ invites... See Event Details

06/06/22 - PUBLIC MEETING | 51st Avenue and Camelback Road WQARF Site CAB Meeting :
06/15/22 - PUBLIC MEETING | Highway 260 and Main Street WQARF Site CAB Meeting in Cottonwood, Arizona :
06/21/22 - WEBINAR | Rate Setting and Long-Term Planning for Small Water System Owners/Operators/Managers :
07/21/22 - WEBINAR | 10 Tips for Submitting a Complete Air Quality Permit Application :