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Superfund sites in Delaware

Delaware has 17 Superfund sites: 1.3% of the US total of 1,316. That ranks #25 by count and #2 per person (1.62 per 100,000 residents) of 51.

#2
national rank (per capita)
17
Superfund sites
1.62
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

Delaware: 17 rows (CSV)All of the US (CSV)

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Named Superfund sites in Delaware include

Army Creek Landfill · Delaware Sand & Gravel Landfill · Delaware City PVC Plant · Harvey & Knott Drum, Inc. · Tybouts Corner Landfill · NCR Corp. (Millsboro Plant) · Halby Chemical Co. · Standard Chlorine of Delaware, Inc. · Dover Gas Light Co. · E.I. du Pont de Nemours & Co., Inc. (Newport Pigment Plant Landfill) · Koppers Co., Inc. (Newport Plant) · Dover Air Force Base

Cite this

"Delaware has 17 Superfund sites, #25 in the US by count and #2 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.