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Superfund sites in Colorado

Colorado has 20 Superfund sites: 1.5% of the US total of 1,316. That ranks #21 by count and #30 per person (0.34 per 100,000 residents) of 51.

#30

national rank (per capita)

Superfund sites

0.34

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

Colorado: 20 rows (CSV)All of the US (CSV)

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Named Superfund sites in Colorado include

California Gulch · Central City, Clear Creek · Denver Radium Site · Marshall Landfill · Broderick Wood Products · Lincoln Park · Lowry Landfill · Eagle Mine · Uravan Uranium Project (Union Carbide Corp.) · Rocky Flats Plant (USDOE) · Rocky Mountain Arsenal (USARMY) · Chemical Sales Co.

Cite this

"Colorado has 20 Superfund sites, #21 in the US by count and #30 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.