# Superfund Sites in Delaware: All 17 on a Map (List + Data) | InstaMaps

> Delaware has 17 Superfund sites (1.3% of the US), #25 by count and #2 per person. From EPA National Priorities List. Map to embed, CSV download.

Source: https://get-instamaps.com/rankings/superfund-sites/delaware

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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.

## Key takeaways

* Delaware has 17 Superfund sites, 1.3% of the US total of 1,316.
* That ranks #25 of 51 by count and #2 per person (1.62 per 100,000 residents).
* New Jersey has the most, with 115.
* Source: EPA National Priorities List, September 2026.

#2

national rank (per capita)

17

Superfund sites

1.62

per 100k residents

## The data

Source: [EPA National Priorities List](https://www.epa.gov/superfund), 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)](/downloads/superfund-sites/delaware.csv)[All of the US (CSV)](/downloads/superfund-sites/us.csv)

## Put this map on your website — free

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/delaware" width="100%" height="440" style="border:2px solid #111" loading="lazy" title="Delaware superfund sites map — InstaMaps"></iframe>`

## All 17 Superfund sites in Delaware

| #  | Name                                                                 |
| -- | -------------------------------------------------------------------- |
| 1  | Army Creek Landfill                                                  |
| 2  | Blades Groundwater                                                   |
| 3  | Delaware City PVC Plant                                              |
| 4  | Delaware Sand & Gravel Landfill                                      |
| 5  | Dover Air Force Base                                                 |
| 6  | Dover Gas Light Co.                                                  |
| 7  | E.I. du Pont de Nemours & Co., Inc. (Newport Pigment Plant Landfill) |
| 8  | East Basin Road Groundwater                                          |
| 9  | Georgetown North Groundwater                                         |
| 10 | Halby Chemical Co.                                                   |
| 11 | Harvey & Knott Drum, Inc.                                            |
| 12 | Hockessin Groundwater                                                |
| 13 | Koppers Co., Inc. (Newport Plant)                                    |
| 14 | NCR Corp. (Millsboro Plant)                                          |
| 15 | Newark South Ground Water Plume                                      |
| 16 | Standard Chlorine of Delaware, Inc.                                  |
| 17 | Tybouts Corner Landfill                                              |

Names as the source gives them. Coordinates for every one are in the CSV.

## 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.