Arizona 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

Apache Powder Company

Location: St. David, Cochise County

Narrative: Manufacturer of industrial chemicals and explosives.

Contaminants: Chromium Lead Strontium Zinc

Hassayampa Landfill

Location: Hassayampa, Maricopa County

Narrative: Municipal landfill operations began in 1961; operations included disposal of hazardous wastes into unlined pits during the period from April 20, 1979 to October 28, 1980.

Contaminants: 1,1-Dichloroethane 1,1-Dichloroethene 1,2-Dichloroethene 1,2-Dichloropropane Tetrachloroethene Toluene 1,1,1-Trichloroethane Trichloroethene Trichlorotrifluoroethane Trichlorofluoromethane

Indian Bend Wash Area

Location: Scottsdale and Tempe, Maricopa County

Narrative: Multiple industrial sources released chlorinated solvents which have since made their way into groundwater.

Contaminants: Tetrachloroethene Trichloroethene VOCs

Iron King Mine and Humboldt Smelter

Location: Dewey-Humboldt, Yavapai County

Narrative: Lead, gold, silver, zinc, and copper mine, and associated smelter.

Contaminants: Arsenic Lead Sulfate

Motorola Inc.

Location: Phoenix, Maricopa County

Narrative: Semiconductor manufacturing plant.

Contaminants: Tetrachloroethene 1,1,1-Trichloroethane Trichloroethene Vinyl Chloride

Phoenix-Goodyear Airport

Location: Goodyear, Maricopa County

Narrative: Maintenance and manufacturing activities generated wastes that ultimately contaminated soil and groundwater.

Contaminants: Carbon Tetrachloride Chloroform Chromium 1,1-Dichloroethene Tetrachloroethene Trichloroethene

Tucson International Airport Area

Location: Tucson, Pima County

Narrative: Maintenance and manufacturing activities, fire fighting training, and disposal of wastes in unlined landfills led to groundwater contamination.

Contaminants: Benzene Chromium 1,1-Dichloroethene 1,4-Dioxane Tetrachloroethene Trichloroethene

Williams Air Force Base

Location: Mesa, Maricopa County

Narrative: Target practice, fire training, fuel leaks, pesticide disposal, and other activities led to contamination of soil and groundwater.

Contaminants: PCBs Pesticides VOCs

Yuma Marine Corps Air Station

Location: Yuma, Yuma County

Narrative: Chlorinated solvents were detected in a groundwater well. Groundwater treatment is ongoing.

Contaminants: Asbestos 1,1-Dichloroethene Tetrachloroethene Trichloroethene

Deleted Sites

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Luke Air Force Base

Location: Glendale, Maricopa County

Narrative: Chemical discharges and waste disposal practices led to soil contamination and possible groundwater contamination.

Contaminants: VOCs Waste oil

Deleted: 2002

Mountain View Mobile Home Estates

Location: Near Globe, Gila County

Narrative: Residences occupy property formerly used an asbestos mill. Soil and groundwater are contaminated with asbestos. Residents were relocated in 1985 and contaminated soil was capped and fenced.

Contaminants: Asbestos

Deleted: 1988

Nineteenth Avenue Landfill

Location: Phoenix, Maricopa County

Narrative: Contains about nine million cubic yards of waste. Soil and groundwater are contaminated but are contained on the property and measures have been taken to keep the contamination there.

Contaminants: 1,1-Dichloroethene Heavy Metals PCBs

Deleted: 2006

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