Arizona hosts 10 Superfund cleanup sites, 330 facilities reporting to EPA's Toxic Release Inventory, and 92 facilities currently in significant noncompliance with federal environmental laws. EPA has assessed $98.6M in lifetime penalties across these facilities, and TRI reporters released roughly 115.7M pounds of regulated chemicals on-site in the latest reporting year. The single largest on-site releaser is Asarco Llc Hayden Operations in Hayden, reporting 55.0M lb to EPA.
| Site | City | Status |
|---|---|---|
| Apache Powder Co | Saint David | Ready for anticipated reuse |
| Hassayampa Landfill | Arlington | Ready for anticipated reuse |
| Indian Bend Wash Area | Scottsdale | Ready for anticipated reuse |
| Iron King Mine Humboldt Smelter | Dewey-Humboldt | Cleanup underway |
| Lukachukai Mountains Mining District | Cove | Listed on NPL |
| Motorola Inc 52nd Street Plant | Phoenix | Cleanup underway |
| Phoenix Goodyear Airport Area | Goodyear | Cleanup underway |
| Tucson International Airport Area | Tucson | Cleanup underway |
| Williams Air Force Base | Chandler | Cleanup underway |
| Yuma Marine Corps Air Station | Yuma | Construction complete |