Arizona Superfund (NPL) Sites
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.
Location: St. David, Cochise County
Narrative: Manufacturer of industrial chemicals and explosives.
Contaminants: Chromium · Lead · Strontium · Zinc
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
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
Location: Phoenix, Maricopa County
Narrative: Semiconductor manufacturing plant.
Contaminants: Tetrachloroethene · 1,1,1-Trichloroethane · Trichloroethene · Vinyl Chloride
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
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
Location: Yuma, Yuma County
Narrative: Chlorinated solvents were detected in a groundwater well. Groundwater treatment is ongoing.
Contaminants: Asbestos · 1,1-Dichloroethene · Tetrachloroethene · Trichloroethene
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
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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