To protect and enhance public health and the environment in Arizona.

• Through consistent, science-based environmental regulation; and clear, equitable engagement and communication;
• With integrity, respect, and the highest standards of effectiveness and efficiency;
• Because Arizonans treasure the unique environment of our state and its essential role in sustaining well-being and economic vitality, today and for future generations.

Learn More about ADEQ | View > 

ADEQ has focused on five strategic issues that led to the creation of five-year tangible outcomes that benefit public health and the environment.

• January 5 | ADEQ Comments on the Proposed Rule: Updated Definition of Waters of the United States | View 01/5 Letter >
• June 29 | ADEQ Comments on EPA's Proposed Rulemaking to Change the Definition of Begin Actual Construction for New Source Review | View 06/29 Letter >
• July 13 | ADEQ Comments on EPA’s Proposed Rule Ozone Reclassification State Implementation Plan Rule | View 07/13 Letter >
• August 11 | ADEQ Comments on EPA’s Proposed Rule Minor New Source Review Program Air Permitting Public Participation Requirements for State Implementation Plans | View 08/11 Letter >
• October 7 | ADEQ Comments on Supplemental Notice of Proposed Rulemaking, Updated Definition of "Waters of the United States" | View 10/7 EPA >

Past Years Comments and Testimony | View >