# Superfund Sites in Colorado: All 20 on a Map (List + Data) | InstaMaps

> Colorado has 20 Superfund sites (1.5% of the US), #21 by count and #30 per person. From EPA National Priorities List. Map to embed, CSV download.

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

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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.

## Key takeaways

* Colorado has 20 Superfund sites, 1.5% of the US total of 1,316.
* That ranks #21 of 51 by count and #29 per person (0.34 per 100,000 residents).
* New Jersey has the most, with 115.
* Source: EPA National Priorities List, September 2026.

#30

national rank (per capita)

20

Superfund sites

0.34

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

[Colorado: 20 rows (CSV)](/downloads/superfund-sites/colorado.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/colorado" width="100%" height="440" style="border:2px solid #111" loading="lazy" title="Colorado superfund sites map — InstaMaps"></iframe>`

## All 20 Superfund sites in Colorado

| #  | Name                                         |
| -- | -------------------------------------------- |
| 1  | Air Force Plant PJKS                         |
| 2  | Bonita Peak Mining District                  |
| 3  | Broderick Wood Products                      |
| 4  | California Gulch                             |
| 5  | Captain Jack Mill                            |
| 6  | Central City, Clear Creek                    |
| 7  | Chemical Sales Co.                           |
| 8  | Colorado Smelter                             |
| 9  | Denver Radium Site                           |
| 10 | Eagle Mine                                   |
| 11 | Lincoln Park                                 |
| 12 | Lowry Landfill                               |
| 13 | Marshall Landfill                            |
| 14 | Nelson Tunnel/Commodore Waste Rock           |
| 15 | Rocky Flats Plant (USDOE)                    |
| 16 | Rocky Mountain Arsenal (USARMY)              |
| 17 | Standard Mine                                |
| 18 | Summitville Mine                             |
| 19 | Uravan Uranium Project (Union Carbide Corp.) |
| 20 | Vasquez Boulevard and I-70                   |

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

## 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.