Home Page | ADEQ 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
Air Quality Division | ADEQ - azdeq. gov Our Air Quality Division (AQD) protects Arizona's public health and the environment by controlling present and future sources of air pollution AQDs core responsibilities include Air Quality forecasting, monitoring and analyzing data, issuing air permits, compliance inspections, vehicle emissions testing, and asbestos
Search Databases | ADEQ - azdeq. gov Water Quality Arizona Water Quality | Search Records > Arizona Department of Water Resources (ADWR) | Search Records > Class V UIC Well Inventory | Search Records > NOI Construction Stormwater Permit Coverage | Search Records > Safe Drinking Water Information System | Access Database > Water and Wastewater Certified Operators | Search Records >
Vehicle Emissions Control (VEC) | ADEQ - azdeq. gov And, for the millions of Arizonans who choose to own and operate motor vehicles, each plays an important role in maintaining and improving Arizona’s air quality by simply testing vehicle emissions to ensure they meet health-based standards Vehicle Emissions Testing Station Information and Locations
Laws, Rules Policies | ADEQ - azdeq. gov State Environmental Laws View > Environment ADEQ programs | View Title 49 > Water (includes Water Quality Assurance Fee fund provisions) | View Title 45 > Trade and Commerce (waste tires) | View Title 44 > Arizona Administrative Procedure Act (laws governing rulemaking process) | View Title 41, Chapter 6 >
Water Quality Division | ADEQ - azdeq. gov Monitoring and assessing the quality of surface and groundwater throughout the state Identifying water pollution problems and developing on-the-ground solutions, and facilitating their implementation Issuing permits to protect Arizona waters from point sources of pollution Investigating complaints and violations of Arizona’s water quality
ONSITE WASTEWATER TREATMENT REGULATORY PROGRAM - azdeq. gov The Arizona Department of Environmental Quality (ADEQ) Water Quality Division (WQD) committed to its stakeholders to improve the on-site wastewater treatment program, including the rules, procedures, and policies, and will better support counties’ and customer needs
SITE INVESTIGATION GUIDANCE MANUAL - azdeq. gov The mission of the Waste Programs Division of Arizona Department of Environmental Quality (ADEQ) is to protect and enhance public health and the environment by reducing the risk associated with waste management, contaminated sites and regulated substances
PRESS RELEASE | Advanced Water Purification (AWP) Approved | ADEQ Approved by the Arizona Governor’s Regulatory Review Council, the new program supplements community drinking water portfolios with a reliable, local source amid rising demand and drought conditions PHOENIX (March 5, 2025) – The Arizona Department of Environmental Quality (ADEQ) is pleased to announce that the Governor’s Regulatory Review Council (GRRC) has approved the state’s