Oregon has 15 Superfund sites: 1.1% of the US total of 1,316. That ranks #28 by count and #27 per person (0.35 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/oregon" width="100%" height="440" style="border:2px solid #111" loading="lazy" title="Oregon superfund sites map — InstaMaps"></iframe>United Chrome Products, Inc. · Union Pacific Railroad Co. Tie-Treating Plant · Northwest Pipe & Casing/Hall Process Co · Fremont National Forest/White King and Lucky Lass Uranium Mines (USDA) · McCormick & Baxter Creosoting Co. (Portland Plant) · Reynolds Metals Company · Portland Harbor · Taylor Lumber and Treating · Formosa Mine · Black Butte Mine · North Ridge Estates · Bradford Island
"Oregon has 15 Superfund sites, #28 in the US by count and #27 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.