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Colorado Superfund (NPL) Sites

About Superfund

Clicking on the site name should take you directly to a U.S. EPA summary page for that site. If not, please let me know.

Active Sites

Jump to: Deleted Sites


Air Force Plant PJKS

Location: Littleton, Jefferson County

Contaminants: PCBs Trichloroethene


Bonita Peak Mining District

Location: San Juan County

Contaminants: Heavy Metals


Broderick Wood Products

Location: Denver, Adams County

Contaminants: Dioxins Furans PAHs Pentachlorophenol


California Gulch

Location: Leadville, Lake County

Contaminants: Arsenic Lead


Captain Jack Mill

Location: Ward, Boulder County

Contaminants: Cadmium Copper Lead Zinc


Central City/Clear Creek

Location: Idaho Springs, Clear Creek County

Contaminants: Arsenic Cadmium Copper Lead Manganese Zinc


Chemical Sales Co.

Location: Denver, Denver County

Contaminants: Benzene Tetrachloroethene Trichloroethene Vinyl Chloride


Colorado Smelter

Location: Pueblo, Pueblo County

Contaminants: Arsenic Lead


Denver Radium Site

Location: Denver, Denver County

Contaminants: Arsenic Lead Radium Radon Thorium Uranium


Eagle Mine

Location: Minturn/Redcliff, Eagle County

Contaminants: Arsenic Cadmium Copper Lead Zinc


Lincoln Park

Location: Canon City, Fremont County

Contaminants: Molybdenum Uranium


Lowry Landfill

Location: Aurora, Arapahoe County

Contaminants: 1,4-Dioxane SVOCs VOCs


Marshall Landfill

Location: Boulder, Boulder County

Contaminants: Benzene Tetrachloroethene Trichloroethene


Nelson Tunnel/Commodore Waste Rock

Location: Creede, Mineral County

Contaminants: Arsenic Cadmium Lead Zinc


Rocky Flats Plant

Location: Golden, Jefferson County

Contaminants: Americium Plutonium Uranium VOCs


Rocky Mountain Arsenal

Location: Commerce City, Adams County

Contaminants: Aldrin Arsenic DBCP Dieldrin


Standard Mine

Location: Ruby Mining District, Gunnison County

Contaminants: Arsenic Barium Cadmium Chromium Copper Lead Zinc


Summitville Mine

Location: Del Norte, Rio Grande County

Contaminants: Cadmium Copper Lead Manganese Zinc


Uravan Uranium Project (Union Carbide)

Location: Uravan, Montrose County

Contaminants: Arsenic Cadmium Lead Raffinates Vanadium


Vasquez Boulevard & I-70

Location: Denver, Denver County

Contaminants: Arsenic Lead


Deleted Sites

Jump to: Active Sites Top


Sand Creek Industrial

Location: Commerce City, Adams County

Contaminants: Arsenic Pesticides VOCs

Deleted: 1996


Smuggler Mountain

Location: Aspen, Pitkin County

Contaminants: Cadmium Lead

Deleted: 1999


Woodbury Chemical Co.

Location: Commerce City, Adams County

Contaminants: Chlorinated Pesticides Heavy Metals VOCs

Deleted: 1993


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