Arizona has 10 Superfund sites: 0.8% of the US total of 1,316. That ranks #39 by count and #49 per person (0.13 per 100,000 residents) of 51.
Source: EPA National Priorities List, September 2026. Every National Priorities List site in the 50 states and DC, at the EPA’s coordinates. Sites in the territories are left out.
Licence: U.S. government data: no copyright, free to reuse
Local blogs, news sites, parks pages: embed the live interactive map with one snippet. Attribution stays on, that's the whole deal.
<iframe src="https://get-instamaps.com/embed/rankings/superfund-sites/arizona" width="100%" height="440" style="border:2px solid #111" loading="lazy" title="Arizona superfund sites map — InstaMaps"></iframe>Indian Bend Wash Area · Phoenix-Goodyear Airport Area · Tucson International Airport Area · Hassayampa Landfill · Yuma Marine Corps Air Station · Williams Air Force Base · Motorola, Inc. (52nd Street Plant) · Apache Powder Co. · Iron King Mine - Humboldt Smelter · Lukachukai Mountains Mining District
"Arizona has 10 Superfund sites, #39 in the US by count and #49 per person (EPA National Priorities List, September 2026, mapped by InstaMaps)." Free to quote with a link to this page. Population: US Census 2024 estimates.