Indiana has 40 Superfund sites: 3% of the US total of 1,316. That ranks #10 by count and #15 per person (0.58 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/indiana" width="100%" height="440" style="border:2px solid #111" loading="lazy" title="Indiana superfund sites map — InstaMaps"></iframe>Envirochem Corp. · Fisher-Calo · Fort Wayne Reduction Dump · Lake Sandy Jo (M&M Landfill) · Main Street Well Field · Marion (Bragg) Dump · MIDCO I · MIDCO II · Ninth Avenue Dump · Reilly Tar & Chemical Corp. (Indianapolis Plant) · Seymour Recycling Corp. · Wayne Waste Oil
"Indiana has 40 Superfund sites, #10 in the US by count and #15 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.