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Superfund sites in Oklahoma

Oklahoma has 9 Superfund sites: 0.7% of the US total of 1,316. That ranks #42 by count and #40 per person (0.22 per 100,000 residents) of 51.

#40

national rank (per capita)

Superfund sites

0.22

per 100k residents

The data

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

Oklahoma: 9 rows (CSV)All of the US (CSV)

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<iframe src="https://get-instamaps.com/embed/rankings/superfund-sites/oklahoma" width="100%" height="440" style="border:2px solid #111" loading="lazy" title="Oklahoma superfund sites map — InstaMaps"></iframe>

Named Superfund sites in Oklahoma include

Hardage/Criner · Tar Creek (Ottawa County) · Tinker Air Force Base (Soldier Creek/Building 3001) · Oklahoma Refining Co. · Hudson Refinery · Wilcox Oil Company · Eagle Industries · Henryetta Iron and Metal · Fansteel Metals/FMRI

Cite this

"Oklahoma has 9 Superfund sites, #42 in the US by count and #40 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.