Colorado hosts 21 Superfund cleanup sites, 276 facilities reporting to EPA's Toxic Release Inventory, and 492 facilities currently in significant noncompliance with federal environmental laws. EPA has assessed $155.0M in lifetime penalties across these facilities, and TRI reporters released roughly 22.7M pounds of regulated chemicals on-site in the latest reporting year. The single largest on-site releaser is Cripple Creek & Victor Gold Mining Co in Victor, reporting 7.9M lb to EPA.
| Site | City | Status |
|---|---|---|
| Air Force Plant Pjks | Littleton | Construction complete |
| Bonita Peak Mining District | Unincorporated | Superfund site |
| Broderick Wood Products | Denver | Construction complete |
| California Gulch | Leadville | Cleanup underway |
| Captain Jack Mill | Ward | Cleanup underway |
| Central City Clear Creek | Idaho Springs | Cleanup underway |
| Chemical Sales Co | Denver | Construction complete |
| Colorado Smelter | Pueblo | Superfund site |
| Denver Radium Site | Denver | Ready for anticipated reuse |
| Eagle Mine | Minturn | Construction complete |
| Lincoln Park | Canon City | Cleanup underway |
| Lowry Landfill | Unincorporated Arapahoe County | Ready for anticipated reuse |
| Marshall Landfill | Boulder | Construction complete |
| Nelson Tunnel Commodore Waste Rock | Creede | Cleanup underway |
| Rocky Flats Plant Usdoe | Golden | Construction complete |
| Rocky Mountain Arsenal Usarmy | Adams County | Cleanup underway |
| Smeltertown Site | Salida | Cleanup underway |
| Standard Mine | Gunnison National Forest | Cleanup underway |
| Summitville Mine | Rio Grande County | Construction complete |
| Uravan Uranium Project Union Carbide Corp | Uravan | Ready for anticipated reuse |
| Vasquez Boulevard And I 70 | Denver | Cleanup underway |