List of Superfund sites in California

This is a list of Superfund sites in California designated under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) environmental law. The CERCLA federal law of 1980 authorized the United States Environmental Protection Agency

United States Environmental Protection Agency

The U.S. Environmental Protection Agency is an agency of the federal government of the United States charged with protecting human health and the environment, by writing and enforcing regulations based on laws passed by Congress...

(EPA) to create a list of polluted

Pollution

Pollution is the introduction of contaminants into a natural environment that causes instability, disorder, harm or discomfort to the ecosystem i.e. physical systems or living organisms. Pollution can take the form of chemical substances or energy, such as noise, heat or light...

locations requiring a long-term response to clean up hazardous material contaminations. These locations are known as Superfund

Superfund

Superfund is the common name for the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 , a United States federal law designed to clean up sites contaminated with hazardous substances...

sites, and are placed on the National Priorities List

National Priorities List

The National Priorities List is the list of hazardous waste sites in the United States eligible for long-term remedial action financed under the federal Superfund program. Environmental Protection Agency regulations outline a formal process for assessing hazardous waste sites and placing them on...

(NPL). The NPL guides the EPA in "determining which sites warrant further investigation" for environmental remediation. As of March 10, 2011, there were 94 Superfund sites on the National Priorities List in California

California

California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

. Three additional sites have been proposed for entry on the list. Twelve sites have been cleaned up and removed from the list. One site was proposed for entry, and then removed.

Superfund sites

CERCLIS ID	Name	County	Reason	Proposed	Listed	Constructioncompleted	Partiallydeleted	Deleted
CA0001576081	AMCO Chemical AMCO Chemical AMCO Chemical was a chemical distribution company located in Oakland, California. The land the company operated on is designated as a U.S. Environmental Protection Agency‎ Superfund cleanup site....	Alameda Alameda County, California Alameda County is a county in the U.S. state of California. It occupies most of the East Bay region of the San Francisco Bay Area. As of the 2010 census it had a population of 1,510,271, making it the 7th most populous county in the state...	Groundwater, soil, and soil gas are contaminated with chlorinated solvents and other contaminants including vinyl chloride Vinyl chloride Vinyl chloride is the organochloride with the formula H2C:CHCl. It is also called vinyl chloride monomer, VCM or chloroethene. This colorless compound is an important industrial chemical chiefly used to produce the polymer polyvinyl chloride . At ambient pressure and temperature, vinyl chloride... .	04/30/2003	09/29/2003	N/A	N/A	N/A
CA2170023236	Alameda Naval Air Station	Alameda Alameda County, California Alameda County is a county in the U.S. state of California. It occupies most of the East Bay region of the San Francisco Bay Area. As of the 2010 census it had a population of 1,510,271, making it the 7th most populous county in the state...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902731	05/10/1999	07/22/1999	N/A	N/A	N/A
CA2890012584	Lawrence Livermore National Laboratory Lawrence Livermore National Laboratory The Lawrence Livermore National Laboratory , just outside Livermore, California, is a Federally Funded Research and Development Center founded by the University of California in 1952... (USDOE United States Department of Energy The United States Department of Energy is a Cabinet-level department of the United States government concerned with the United States' policies regarding energy and safety in handling nuclear material... )	Alameda Alameda County, California Alameda County is a county in the U.S. state of California. It occupies most of the East Bay region of the San Francisco Bay Area. As of the 2010 census it had a population of 1,510,271, making it the 7th most populous county in the state...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902740	10/15/1984	07/22/1987	08/10/2007	N/A	N/A
CA2890090002	Lawrence Livermore Lab Site 300 Lawrence Livermore National Laboratory The Lawrence Livermore National Laboratory , just outside Livermore, California, is a Federally Funded Research and Development Center founded by the University of California in 1952... (USDOE United States Department of Energy The United States Department of Energy is a Cabinet-level department of the United States government concerned with the United States' policies regarding energy and safety in handling nuclear material... )	Alameda Alameda County, California Alameda County is a county in the U.S. state of California. It occupies most of the East Bay region of the San Francisco Bay Area. As of the 2010 census it had a population of 1,510,271, making it the 7th most populous county in the state... and San Joaquin San Joaquin County, California San Joaquin County is a county located in Central Valley of the U.S. state of California, just east of the San Francisco Bay Area. As of the 2010 census, the population was 685,306. The county seat is Stockton.-History:...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902742	07/14/1989	08/30/1990	N/A	N/A	N/A
CAD980673685	Leviathan Mine Leviathan Mine Leviathan Mine is a United States superfund site at an abandoned open-pit sulfur mine located in Alpine County, California. The mine is located at on the eastern slope of the Sierra Nevada at about elevation, east of Markleeville and southeast of Lake Tahoe...	Alpine Alpine County, California Alpine County is the smallest county, by population, in the U.S. state of California. As of 2010, it had a population of 1,175, all rural. There are no incorporated cities in the county. The county seat is Markleeville...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0901943	10/22/1999	05/11/2000	N/A	N/A	N/A
CAD009112087	Koppers Co., Inc. (Oroville Plant)	Butte Butte County, California Butte County is a county located in the Central Valley of the US state of California, north of the state capital of Sacramento. As of the 2010 census, it had a population of 220,000. The county seat is Oroville. Butte County is the "Land of Natural Wealth and Beauty."Butte County is watered by the...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0901135	09/08/1983	09/21/1984	09/04/2003	N/A	N/A
CAD065021594	Louisiana-Pacific Corp. Louisiana-Pacific Louisiana-Pacific Corporation , commonly known as "LP", is a United States building materials manufacturer. It was founded in 1973 and is currently based in Nashville, Tennessee. LP pioneered the U.S. production of oriented strand board panels. Today, LP is the world’s largest producer of OSB, and...	Butte Butte County, California Butte County is a county located in the Central Valley of the US state of California, north of the state capital of Sacramento. As of the 2010 census, it had a population of 220,000. The county seat is Oroville. Butte County is the "Land of Natural Wealth and Beauty."Butte County is watered by the...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0901513	10/15/1984	06/10/1986	10/01/1995	N/A	11/21/1996
CAD980894679	Western Pacific Railroad Co. Western Pacific Railroad The Western Pacific Railroad was a Class I railroad in the United States. It was formed in 1903 as an attempt to break the near-monopoly the Southern Pacific Railroad had on rail service into northern California...	Butte Butte County, California Butte County is a county located in the Central Valley of the US state of California, north of the state capital of Sacramento. As of the 2010 census, it had a population of 220,000. The county seat is Oroville. Butte County is the "Land of Natural Wealth and Beauty."Butte County is watered by the...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902249	10/26/1989	08/30/1990	03/31/1999	N/A	08/29/2001
CA7170024528	Concord Naval Weapons Station Concord Naval Weapons Station Concord Naval Weapons Station was a military base established in 1942 north of the city of Concord, California at the shore of the Sacramento River where it widens into Suisun Bay. The station functioned as a World War II armament storage depot, supplying ships at Port Chicago...	Contra Costa Contra Costa County, California Contra Costa County is a primarily suburban county in the San Francisco Bay Area of the U.S. state of California. As of the 2010 census, it had a population of 1,049,025...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902778	06/24/1988	12/16/1994	N/A	N/A	N/A
CAD980498562	GBF, Inc., Dump	Contra Costa Contra Costa County, California Contra Costa County is a primarily suburban county in the San Francisco Bay Area of the U.S. state of California. As of the 2010 census, it had a population of 1,049,025...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0901752	06/24/1988	N/A	N/A	N/A	N/A
CAT000646208	Liquid Gold Oil Corp.	Contra Costa Contra Costa County, California Contra Costa County is a primarily suburban county in the San Francisco Bay Area of the U.S. state of California. As of the 2010 census, it had a population of 1,049,025...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902660	12/30/1982	09/08/1983	09/27/1995	N/A	09/11/1996
CAD981436363	United Heckathorn Co.	Contra Costa Contra Costa County, California Contra Costa County is a primarily suburban county in the San Francisco Bay Area of the U.S. state of California. As of the 2010 census, it had a population of 1,049,025...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902440	10/26/1989	03/14/1990	N/A	N/A	N/A
CAD000626176	Del Norte Pesticide Storage	Del Norte Del Norte County, California Del Norte County is a county located at the far northwest corner of the U.S. state of California on the Pacific adjacent to the Oregon border. As of the 2010 census, it had a population of 28,610. The county seat is Crescent City, the county's only incorporated city. Del Norte is the abbreviated...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0900923	09/08/1983	09/21/1984	06/18/1992	N/A	09/18/2002
CAD980496863	Atlas Asbestos Mine	Fresno Fresno County, California Fresno County is a county located in the Central Valley of the U.S. state of California, south of Stockton and north of Bakersfield. As of the 2010 census, it is the tenth most populous county in California with a population of 930,450, and the sixth largest in size with an area of . The county...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0901736	09/08/1983	09/21/1984	09/02/1999	N/A	N/A
CAD980817217	Coalinga Asbestos Mine	Fresno Fresno County, California Fresno County is a county located in the Central Valley of the U.S. state of California, south of Stockton and north of Bakersfield. As of the 2010 census, it is the tenth most populous county in California with a population of 930,450, and the sixth largest in size with an area of . The county...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902075	09/08/1983	09/21/1984	03/14/1995	N/A	04/24/1998
CAD980636914	Fresno Municipal Sanitary Landfill Fresno Municipal Sanitary Landfill Fresno Municipal Sanitary Landfill opened in 1935 in Fresno, California, was the first modern landfill in the U.S., pioneering the use of trenching, compacting, and daily burial to combat rodent and debris problems. It became a model for other landfills around the country, and one of the...	Fresno Fresno County, California Fresno County is a county located in the Central Valley of the U.S. state of California, south of Stockton and north of Bakersfield. As of the 2010 census, it is the tenth most populous county in California with a population of 930,450, and the sixth largest in size with an area of . The county...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0901854	06/24/1988	10/04/1989	N/A	N/A	N/A
CAD980736284	Industrial Waste Processing	Fresno Fresno County, California Fresno County is a county located in the Central Valley of the U.S. state of California, south of Stockton and north of Bakersfield. As of the 2010 census, it is the tenth most populous county in California with a population of 930,450, and the sixth largest in size with an area of . The county...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902025	10/26/1989	08/30/1990	09/28/1999	N/A	N/A
CAD980736151	Purity Oil Sales, Inc.	Fresno Fresno County, California Fresno County is a county located in the Central Valley of the U.S. state of California, south of Stockton and north of Bakersfield. As of the 2010 census, it is the tenth most populous county in California with a population of 930,450, and the sixth largest in size with an area of . The county...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902019	12/30/1982	09/08/1983	N/A	N/A	N/A
CAD029452141	Selma Treating Co.	Fresno Fresno County, California Fresno County is a county located in the Central Valley of the U.S. state of California, south of Stockton and north of Bakersfield. As of the 2010 census, it is the tenth most populous county in California with a population of 930,450, and the sixth largest in size with an area of . The county...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0901290	12/30/1982	09/08/1983	01/26/2005	N/A	N/A
CAD009106220	T.H. Agriculture & Nutrition Co.	Fresno Fresno County, California Fresno County is a county located in the Central Valley of the U.S. state of California, south of Stockton and north of Bakersfield. As of the 2010 census, it is the tenth most populous county in California with a population of 930,450, and the sixth largest in size with an area of . The county...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0901128	10/15/1984	06/10/1986	06/24/2004	N/A	08/21/2006
CAD980638860	Celtor Chemical Works	Humboldt Humboldt County, California Humboldt County is a county in the U.S. state of California, located on the far North Coast 200 miles north of San Francisco. According to 2010 Census Data, the county’s population was 134,623...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0901938	12/30/1982	09/08/1983	09/29/1989	N/A	09/30/2003
CAD066635442	Stoker Company	Imperial Imperial County, California Imperial County is a county located in the Imperial Valley, in the far southeast of the U.S. state of California, bordering both Arizona and Mexico. It is part of the El Centro Metropolitan Area, which encompasses all of Imperial County. The population as of 2000 was 142,361. The county seat is the...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0903424	07/29/1991	N/A	N/A	N/A	N/A
CAD052384021	Brown & Bryant, Inc. (Arvin Plant) Brown & Bryant, Inc. (Arvin Plant) Brown & Bryant Inc. was a chemical distribution company located in Arvin, California in Kern County. The land the company operated on is designated as a U.S. Environmental Protection Agency Superfund cleanup site...	Kern Kern County, California Spreading across the southern end of the California Central Valley, Kern County is the fifth-largest county by population in California. Its economy is heavily linked to agriculture and to petroleum extraction, and there is a strong aviation and space presence. Politically, it has generally...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0901425	06/24/1988	10/04/1989	N/A	N/A	N/A
CA1570024504	Edwards Air Force Base Edwards Air Force Base Edwards Air Force Base is a United States Air Force base located on the border of Kern County, Los Angeles County, and San Bernardino County, California, in the Antelope Valley. It is southwest of the central business district of North Edwards, California and due east of Rosamond.It is named in...	Kern Kern County, California Spreading across the southern end of the California Central Valley, Kern County is the fifth-largest county by population in California. Its economy is heavily linked to agriculture and to petroleum extraction, and there is a strong aviation and space presence. Politically, it has generally... , San Bernardino San Bernardino County, California San Bernardino County is a county in the U.S. state of California. As of the 2010 census, the population was 2,035,210, up from 1,709,434 as of the 2000 census... , and Los Angeles Los Angeles County, California Los Angeles County is a county in the U.S. state of California. As of 2010 U.S. Census, the county had a population of 9,818,605, making it the most populous county in the United States. Los Angeles County alone is more populous than 42 individual U.S. states...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902725	07/14/1989	08/30/1990	N/A	N/A	N/A
CAD980893275	Sulphur Bank Mercury Mine Sulphur Bank Mine The Sulphur Bank Mine is located near Clearlake Oaks and Clear Lake in Lake County, California. The mine became one of the most noted mercury producers in the world....	Lake Lake County, California Lake County is a county located in the north central portion of the U.S. state of California, north of the San Francisco Bay Area. It takes its name from Clear Lake, the dominant geographic feature in the county and the largest natural lake wholly within California...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902228	06/24/1988	08/30/1990	N/A	N/A	N/A
CAD055753370	Cooper Drum Company Cooper Drum Company Cooper Drum Company recycled closed top, steel drums on a facility in South Gate, California from 1976 to 2003. They used strong chemicals to recondition the drums, leading to public concern about health impacts on the surrounding community...	Los Angeles Los Angeles County, California Los Angeles County is a county in the U.S. state of California. As of 2010 U.S. Census, the county had a population of 9,818,605, making it the most populous county in the United States. Los Angeles County alone is more populous than 42 individual U.S. states...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0903253	02/07/1992	06/14/2001	N/A	N/A	N/A
CAD029544731	Del Amo Del Amo (Superfund site) The Del Amo Superfund Site is a U.S. EPA Region 9 Superfund Site. It is one of 94 Superfund Sites in California as of November 29, 2010.- Site History :...	Los Angeles Los Angeles County, California Los Angeles County is a county in the U.S. state of California. As of 2010 U.S. Census, the county had a population of 9,818,605, making it the most populous county in the United States. Los Angeles County alone is more populous than 42 individual U.S. states...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0901293	07/29/1991	09/25/1997	N/A	N/A	N/A
CA9800013030	Jet Propulsion Laboratory Jet Propulsion Laboratory Jet Propulsion Laboratory is a federally funded research and development center and NASA field center located in the San Gabriel Valley area of Los Angeles County, California, United States. The facility is headquartered in the city of Pasadena on the border of La Cañada Flintridge and Pasadena... (NASA NASA The National Aeronautics and Space Administration is the agency of the United States government that is responsible for the nation's civilian space program and for aeronautics and aerospace research... )	Los Angeles Los Angeles County, California Los Angeles County is a county in the U.S. state of California. As of 2010 U.S. Census, the county had a population of 9,818,605, making it the most populous county in the United States. Los Angeles County alone is more populous than 42 individual U.S. states...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0903438	02/07/1992	10/14/1992	N/A	N/A	N/A
CAD008242711	Montrose Chemical Corp. Montrose Chemical Corporation of California After World War II, Montrose Chemical Corporation of California, 20201 S. Normandie Ave., Unincorporated LA County, California began producing Dichloro-Diphenyl-Trichloroethane , the new “wonder pesticide.” Their waste disposal system funneled the plant’s processed waste into the county sewer...	Los Angeles Los Angeles County, California Los Angeles County is a county in the U.S. state of California. As of 2010 U.S. Census, the county had a population of 9,818,605, making it the most populous county in the United States. Los Angeles County alone is more populous than 42 individual U.S. states...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0900993	10/15/1984	10/04/1989	N/A	N/A	N/A
CAD042245001	Omega Chemical Corporation Omega Chemical Corporation The Omega Chemical Corporation was a refrigerant and solvent recycling company that operated from 1976-1991 in Whittier, California. Due to improper waste handling and removal, the soil and groundwater beneath the property became contaminated and the area is now referred to as the Omega Chemical...	Los Angeles Los Angeles County, California Los Angeles County is a county in the U.S. state of California. As of 2010 U.S. Census, the county had a population of 9,818,605, making it the most populous county in the United States. Los Angeles County alone is more populous than 42 individual U.S. states...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0903349	09/29/1998	01/19/1999	N/A	N/A	N/A
CAT080012024	Operating Industries, Inc., Landfill	Los Angeles Los Angeles County, California Los Angeles County is a county in the U.S. state of California. As of 2010 U.S. Census, the county had a population of 9,818,605, making it the most populous county in the United States. Los Angeles County alone is more populous than 42 individual U.S. states...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902673	10/15/1984	06/10/1986	N/A	N/A	N/A
CAD980737092	Pemaco Maywood Pemaco Maywood -History:Pemaco is a former chemical mixing facility located in a light industrial and residential area at 5050 Slauson Boulevard, Maywood, CA. It is believed that Pemaco began on-site operations in the late 1940s. Pemaco was purchased by the LUX Chemical Company on July 27, 1988, and operations...	Los Angeles Los Angeles County, California Los Angeles County is a county in the U.S. state of California. As of 2010 U.S. Census, the county had a population of 9,818,605, making it the most populous county in the United States. Los Angeles County alone is more populous than 42 individual U.S. states...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0904950	07/28/1998	01/19/1999	09/25/2007	N/A	N/A
CAD980894893	San Fernando Valley (Area 1)	Los Angeles Los Angeles County, California Los Angeles County is a county in the U.S. state of California. As of 2010 U.S. Census, the county had a population of 9,818,605, making it the most populous county in the United States. Los Angeles County alone is more populous than 42 individual U.S. states...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902251	10/15/1984	06/10/1986	N/A	N/A	N/A
CAD980894901	San Fernando Valley (Area 2)	Los Angeles Los Angeles County, California Los Angeles County is a county in the U.S. state of California. As of 2010 U.S. Census, the county had a population of 9,818,605, making it the most populous county in the United States. Los Angeles County alone is more populous than 42 individual U.S. states...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902252	10/15/1984	06/10/1986	N/A	N/A	N/A
CAD980894984	San Fernando Valley (Area 3)	Los Angeles Los Angeles County, California Los Angeles County is a county in the U.S. state of California. As of 2010 U.S. Census, the county had a population of 9,818,605, making it the most populous county in the United States. Los Angeles County alone is more populous than 42 individual U.S. states...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902254	10/15/1984	06/10/1986	05/20/2004	N/A	10/12/2004
CAD980894976	San Fernando Valley (Area 4)	Los Angeles Los Angeles County, California Los Angeles County is a county in the U.S. state of California. As of 2010 U.S. Census, the county had a population of 9,818,605, making it the most populous county in the United States. Los Angeles County alone is more populous than 42 individual U.S. states...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902253	10/15/1984	06/10/1986	N/A	N/A	N/A
CAD980677355	San Gabriel Valley (Area 1)	Los Angeles Los Angeles County, California Los Angeles County is a county in the U.S. state of California. As of 2010 U.S. Census, the county had a population of 9,818,605, making it the most populous county in the United States. Los Angeles County alone is more populous than 42 individual U.S. states...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0901951	09/08/1983	05/08/1984	N/A	N/A	N/A
CAD980818512	San Gabriel Valley (Area 2)	Los Angeles Los Angeles County, California Los Angeles County is a county in the U.S. state of California. As of 2010 U.S. Census, the county had a population of 9,818,605, making it the most populous county in the United States. Los Angeles County alone is more populous than 42 individual U.S. states...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902092	09/08/1983	05/08/1984	N/A	N/A	N/A
CAD980818579	San Gabriel Valley (Area 3)	Los Angeles Los Angeles County, California Los Angeles County is a county in the U.S. state of California. As of 2010 U.S. Census, the county had a population of 9,818,605, making it the most populous county in the United States. Los Angeles County alone is more populous than 42 individual U.S. states...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902093	09/08/1983	05/08/1984	N/A	N/A	N/A
CAD980817985	San Gabriel Valley (Area 4)	Los Angeles Los Angeles County, California Los Angeles County is a county in the U.S. state of California. As of 2010 U.S. Census, the county had a population of 9,818,605, making it the most populous county in the United States. Los Angeles County alone is more populous than 42 individual U.S. states...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902091	09/08/1983	05/08/1984	N/A	N/A	N/A
CAD980884357	Waste Disposal, Inc.	Los Angeles Los Angeles County, California Los Angeles County is a county in the U.S. state of California. As of 2010 U.S. Census, the county had a population of 9,818,605, making it the most populous county in the United States. Los Angeles County alone is more populous than 42 individual U.S. states...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902140	06/10/1986	07/22/1987	08/12/2005	N/A	N/A
CAD063015887	Coast Wood Preserving	Mendocino Mendocino County, California Mendocino County is a county located on the north coast of the U.S. state of California, north of the greater San Francisco Bay Area and west of the Central Valley. As of the 2010 census, the population was 87,841, up from 86,265 at the 2000 census...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0901489	12/30/1982	09/08/1983	N/A	N/A	N/A
CA3570024551	Castle Air Force Base (6 Areas) Castle Air Force Base Castle Air Force Base is a former United States Air Force Strategic Air Command base located northeast of Atwater, northwest of Merced and about east southeast of San Francisco, California....	Merced Merced County, California Merced County , is a county located in the Central Valley of the U.S. state of California, north of Fresno and southeast of San Jose. As of the 2010 census, the population was 255,793, up from 210,554 at the 2000 census. The county seat is Merced...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902751	10/15/1984	07/22/1987	09/21/2006	N/A	N/A
CAD980498455	Crazy Horse Sanitary Landfill	Monterey Monterey County, California Monterey County is a county located on the Pacific coast of the U.S. state of California, its northwestern section forming the southern half of Monterey Bay. The northern half of the bay is in Santa Cruz County. As of 2010, the population was 415,057. The county seat and largest city is Salinas...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0901744	06/24/1988	08/30/1990	N/A	N/A	N/A
CAD990793887	Firestone Tire & Rubber Company (Salinas Plant)	Monterey Monterey County, California Monterey County is a county located on the Pacific coast of the U.S. state of California, its northwestern section forming the southern half of Monterey Bay. The northern half of the bay is in Santa Cruz County. As of 2010, the population was 415,057. The county seat and largest city is Salinas...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902617	10/15/1984	07/22/1987	12/24/1991	N/A	04/21/2005
CA7210020676	Fort Ord Fort Ord Fort Ord was a U.S. Army post on Monterey Bay in California. It was established in 1917 as a maneuver area and field artillery target range and was closed in September 1994. Fort Ord was one of the most attractive locations of any U.S. Army post, because of its proximity to the beach and California...	Monterey Monterey County, California Monterey County is a county located on the Pacific coast of the U.S. state of California, its northwestern section forming the southern half of Monterey Bay. The northern half of the bay is in Santa Cruz County. As of 2010, the population was 415,057. The county seat and largest city is Salinas...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902783	07/14/1989	02/21/1990	N/A	N/A	N/A
CAD983618893	Lava Cap Mine	Nevada Nevada County, California Nevada County is a county located in the Sierra Nevada of California, in the Mother Lode country. As of 2010 its population was 98,764. The county seat is Nevada City.-History:Nevada County was created in 1851 from parts of Yuba County....	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0904343	09/29/1998	01/19/1999	N/A	N/A	N/A
CA6170023208	El Toro Marine Corps Air Station	Orange Orange County, California Orange County is a county in the U.S. state of California. Its county seat is Santa Ana. As of the 2010 census, its population was 3,010,232, up from 2,846,293 at the 2000 census, making it the third most populous county in California, behind Los Angeles County and San Diego County...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902770	06/24/1988	02/21/1990	N/A	N/A	N/A
CAD980498695	McColl	Orange Orange County, California Orange County is a county in the U.S. state of California. Its county seat is Santa Ana. As of the 2010 census, its population was 3,010,232, up from 2,846,293 at the 2000 census, making it the third most populous county in California, behind Los Angeles County and San Diego County...	200,000 cubic yards of oil refinery acid sludge and oil field drilling muds, including sulfur and hydrocarbons. The wastes have reacted to produce a mixture of complex organic and sulfur-containing compounds, some of which are gases.	12/30/1982	09/08/1983	06/30/1998	N/A	N/A
CAD981995947	Ralph Gray Trucking Co.	Orange Orange County, California Orange County is a county in the U.S. state of California. Its county seat is Santa Ana. As of the 2010 census, its population was 3,010,232, up from 2,846,293 at the 2000 census, making it the third most populous county in California, behind Los Angeles County and San Diego County...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902521	07/29/1991	10/14/1992	08/31/2000	N/A	09/28/2004
CAD098229214	Alark Hard Chrome	Riverside Riverside County, California Riverside County is a county in the U.S. state of California. One of 58 California counties, it covers in the southern part of the state, and stretches from Orange County to the Colorado River, which forms the state border with Arizona. The county derives its name from the city of Riverside,...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0901694	07/27/2000	12/01/2000	N/A	N/A	N/A
CA4570024527	March Air Force Base	Riverside Riverside County, California Riverside County is a county in the U.S. state of California. One of 58 California counties, it covers in the southern part of the state, and stretches from Orange County to the Colorado River, which forms the state border with Arizona. The county derives its name from the city of Riverside,...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902761	07/14/1989	11/21/1989	N/A	N/A	N/A
CAT080012826	Stringfellow Stringfellow Acid Pits The Stringfellow Acid Pits are a toxic waste dump, and a Superfund site, located in Riverside County, California, United States, just north of the unincorporated town of Glen Avon...	Riverside Riverside County, California Riverside County is a county in the U.S. state of California. One of 58 California counties, it covers in the southern part of the state, and stretches from Orange County to the Colorado River, which forms the state border with Arizona. The county derives its name from the city of Riverside,...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902680	12/30/1982	09/08/1983	N/A	N/A	N/A
CAD980358832	Aerojet General Corp. Aerojet Aerojet is an American rocket and missile propulsion manufacturer based primarily in Rancho Cordova, California with divisions in Redmond, Washington, Orange, Gainesville and Camden, Arkansas. Aerojet is owned by GenCorp. They are the only US propulsion company that provides both solid rocket...	Sacramento Sacramento County, California Sacramento County is a county in the U.S. state of California. Its county seat is Sacramento, which is also the state capital. As of 2010 the county had a population of 1,418,788....	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0901718	12/30/1982	09/08/1983	N/A	N/A	N/A
CAD980737613	Jibboom Junkyard	Sacramento Sacramento County, California Sacramento County is a county in the U.S. state of California. Its county seat is Sacramento, which is also the state capital. As of 2010 the county had a population of 1,418,788....	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902040	12/30/1982	09/08/1983	03/31/1988	N/A	09/10/1991
CA8570024143	Mather Air Force Base (Aircraft Control and Warning Disposal Site) Mather Air Force Base Mather Air Force Base is a closed United States Air Force Base located east of Sacramento at Rancho Cordova, California on the south side of U.S. Route 50....	Sacramento Sacramento County, California Sacramento County is a county in the U.S. state of California. Its county seat is Sacramento, which is also the state capital. As of 2010 the county had a population of 1,418,788....	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902793	10/15/1984	07/22/1987	09/29/2009	N/A	N/A
CA4570024337	McClellan Air Force Base (Groundwater Contamination) McClellan Air Force Base McClellan Air Force Base is a former United States Air Force base located in the North Highlands area of Sacramento County, northeast of Sacramento, California...	Sacramento Sacramento County, California Sacramento County is a county in the U.S. state of California. Its county seat is Sacramento, which is also the state capital. As of 2010 the county had a population of 1,418,788....	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902759	10/15/1984	07/22/1987	N/A	N/A	N/A
CA0210020780	Sacramento Army Depot Sacramento Army Depot The Sacramento Army Depot was a facility located within current city limits, 7 miles southeast of downtown Sacramento, California in Sacramento County. SAAD was activated in 1941. It served as a repair facility for electronic equipment, such as night vision goggles, electronic circuit boards,...	Sacramento Sacramento County, California Sacramento County is a county in the U.S. state of California. Its county seat is Sacramento, which is also the state capital. As of 2010 the county had a population of 1,418,788....	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902715	10/15/1984	07/22/1987	08/28/2002	–	–
CA0001900463	New Idria Mercury Mine	San Benito San Benito County, California San Benito County is a county located in the Coast Range Mountains of the U.S. state of California, south of San Jose. As of 2010 the population was 55,269. The county seat is Hollister, which includes nearly two-thirds of the county's population. El Camino Real passes through the county and...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0905346	03/10/2011	–	–	–	–
CAN000905945	B.F. Goodrich	San Bernardino San Bernardino County, California San Bernardino County is a county in the U.S. state of California. As of the 2010 census, the population was 2,035,210, up from 1,709,434 as of the 2000 census...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0905945	09/03/2008	09/23/2009	–	–	–
CA8170024261	Barstow Marine Corps Logistics Base Marine Corps Logistics Base Barstow Marine Corps Logistics Base Barstow is a United States Marine Corps supply and maintenance installation located east of Barstow, California. Its mission is to rebuild and repair ground-combat and combat-support equipment and to support installations on the West Coast of the United States...	San Bernardino San Bernardino County, California San Bernardino County is a county in the U.S. state of California. As of the 2010 census, the population was 2,035,210, up from 1,709,434 as of the 2000 census...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902790	07/14/1989	11/21/1989	N/A	N/A	N/A
CA2570024453	George Air Force Base George Air Force Base George Air Force Base is a former United States Air Force base located within city limits, 8 miles northwest of central Victorville, California, about 75 miles northeast of Los Angeles, California. The facility was closed by the Base Realignment and Closure 1992 commission at the end of the Cold...	San Bernardino San Bernardino County, California San Bernardino County is a county in the U.S. state of California. As of the 2010 census, the population was 2,035,210, up from 1,709,434 as of the 2000 census...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902737	07/14/1989	02/21/1990	N/A	N/A	N/A
CAD981434517	Newmark Ground Water Contamination	San Bernardino San Bernardino County, California San Bernardino County is a county in the U.S. state of California. As of the 2010 census, the population was 2,035,210, up from 1,709,434 as of the 2000 census...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902439	06/24/1988	03/31/1989	N/A	N/A	N/A
CA4570024345	Norton Air Force Base (Landfill #2) Norton Air Force Base Norton Air Force Base is a former front-line United States Air Force facility located east of downtown San Bernardino, California in San Bernardino County.-Overview:...	San Bernardino San Bernardino County, California San Bernardino County is a county in the U.S. state of California. As of the 2010 census, the population was 2,035,210, up from 1,709,434 as of the 2000 census...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902760	10/15/1984	07/22/1987	05/16/2006	N/A	N/A
CA2170023533	Camp Pendleton Marine Corps Base	San Diego San Diego County, California San Diego County is a large county located in the southwestern corner of the US state of California. Hence, San Diego County is also located in the southwestern corner of the 48 contiguous United States. Its county seat and largest city is San Diego. Its population was about 2,813,835 in the 2000...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902732	07/14/1989	11/21/1989	N/A	N/A	N/A
CA1170090087	Treasure Island Naval Station-Hunters Point Annex San Francisco Naval Shipyard The San Francisco Naval Shipyard was a United States Navy shipyard in San Francisco, California, located on of waterfront at Hunters Point in the southeast corner of the city...	San Francisco		07/14/1989	11/21/1989	N/A	04/05/1999	N/A
CAD009106527	McCormick & Baxter Creosoting Co.	San Joaquin San Joaquin County, California San Joaquin County is a county located in Central Valley of the U.S. state of California, just east of the San Francisco Bay Area. As of the 2010 census, the population was 685,306. The county seat is Stockton.-History:...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0901129	02/07/1992	10/14/1992	N/A	N/A	N/A
CA8210020832	Sharpe Army Depot	San Joaquin San Joaquin County, California San Joaquin County is a county located in Central Valley of the U.S. state of California, just east of the San Francisco Bay Area. As of the 2010 census, the population was 685,306. The county seat is Stockton.-History:...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902792	10/15/1984	07/22/1987	06/27/2003	N/A	N/A
CA4971520834	Tracy Defense Depot (USARMY United States Army The United States Army is the main branch of the United States Armed Forces responsible for land-based military operations. It is the largest and oldest established branch of the U.S. military, and is one of seven U.S. uniformed services... )	San Joaquin San Joaquin County, California San Joaquin County is a county located in Central Valley of the U.S. state of California, just east of the San Francisco Bay Area. As of the 2010 census, the population was 685,306. The county seat is Stockton.-History:...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902762	07/14/1989	08/30/1990	N/A	N/A	N/A
CA1141190578	Klau/Buena Vista Mine	San Luis Obispo San Luis Obispo County, California San Luis Obispo County is a county located along the Pacific Ocean in the Central Coast of the U.S. state of California, between Los Angeles and the San Francisco Bay Area. As of the 2010 census its population was 269,637, up from 246,681 at the 2000 census...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0903986	09/23/2004	04/19/2006	N/A	N/A	N/A
CAD020748125	Casmalia Resources	Santa Barbara Santa Barbara County, California Santa Barbara County is a county located in the southern portion of the U.S. state of California, on the Pacific coast. As of 2010 the county had a population of 423,895. The county seat is Santa Barbara and the largest city is Santa Maria.-History:...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0901257	06/14/2001	09/13/2001	N/A	N/A	N/A
CAD048634059	Advanced Micro Devices, Inc. Advanced Micro Devices Advanced Micro Devices, Inc. or AMD is an American multinational semiconductor company based in Sunnyvale, California, that develops computer processors and related technologies for commercial and consumer markets...	Santa Clara Santa Clara County, California Santa Clara County is a county located at the southern end of the San Francisco Bay Area in the U.S. state of California. As of 2010 it had a population of 1,781,642. The county seat is San Jose. The highly urbanized Santa Clara Valley within Santa Clara County is also known as Silicon Valley...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0901389	10/15/1984	06/10/1986	09/17/1993	N/A	N/A
CAT080034234	Advanced Micro Devices, Inc. (Bldg. 915) Advanced Micro Devices Advanced Micro Devices, Inc. or AMD is an American multinational semiconductor company based in Sunnyvale, California, that develops computer processors and related technologies for commercial and consumer markets...	Santa Clara Santa Clara County, California Santa Clara County is a county located at the southern end of the San Francisco Bay Area in the U.S. state of California. As of 2010 it had a population of 1,781,642. The county seat is San Jose. The highly urbanized Santa Clara Valley within Santa Clara County is also known as Silicon Valley...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902708	06/24/1988	08/30/1990	03/25/1992	N/A	N/A
CAD042728840	Applied Materials Applied Materials Applied Materials, Inc. is a capital equipment producer serving the semiconductor, TFT LCD display, Glass, WEB and solar manufacturing industries....	Santa Clara Santa Clara County, California Santa Clara County is a county located at the southern end of the San Francisco Bay Area in the U.S. state of California. As of 2010 it had a population of 1,781,642. The county seat is San Jose. The highly urbanized Santa Clara Valley within Santa Clara County is also known as Silicon Valley...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0901344	10/15/1984	07/22/1987	09/27/1993	N/A	N/A
CAD009212838	CTS Printex, Inc.	Santa Clara Santa Clara County, California Santa Clara County is a county located at the southern end of the San Francisco Bay Area in the U.S. state of California. As of 2010 it had a population of 1,781,642. The county seat is San Jose. The highly urbanized Santa Clara Valley within Santa Clara County is also known as Silicon Valley...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0901206	06/24/1988	02/21/1990	03/31/1992	N/A	N/A
CAD095989778	Fairchild Semiconductor Corp. Fairchild Semiconductor Fairchild Semiconductor International, Inc. is an American semiconductor company based in San Jose, California. Founded in 1957, it was a pioneer in transistor and integrated circuit manufacturing... (Mountain View Plant)	Santa Clara Santa Clara County, California Santa Clara County is a county located at the southern end of the San Francisco Bay Area in the U.S. state of California. As of 2010 it had a population of 1,781,642. The county seat is San Jose. The highly urbanized Santa Clara Valley within Santa Clara County is also known as Silicon Valley...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0901680	10/15/1984	02/11/1991	08/24/1999	N/A	N/A
CAD097012298	Fairchild Semiconductor Corp. Fairchild Semiconductor Fairchild Semiconductor International, Inc. is an American semiconductor company based in San Jose, California. Founded in 1957, it was a pioneer in transistor and integrated circuit manufacturing... (South San Jose Plant)	Santa Clara Santa Clara County, California Santa Clara County is a county located at the southern end of the San Francisco Bay Area in the U.S. state of California. As of 2010 it had a population of 1,781,642. The county seat is San Jose. The highly urbanized Santa Clara Valley within Santa Clara County is also known as Silicon Valley...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0901685	10/15/1984	10/04/1989	03/25/1992	N/A	N/A
CAD980884209	Hewlett-Packard Hewlett-Packard Hewlett-Packard Company or HP is an American multinational information technology corporation headquartered in Palo Alto, California, USA that provides products, technologies, softwares, solutions and services to consumers, small- and medium-sized businesses and large enterprises, including... (620-640 Page Mill Road)	Santa Clara Santa Clara County, California Santa Clara County is a county located at the southern end of the San Francisco Bay Area in the U.S. state of California. As of 2010 it had a population of 1,781,642. The county seat is San Jose. The highly urbanized Santa Clara Valley within Santa Clara County is also known as Silicon Valley...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902134	06/24/1988	02/21/1990	09/16/1997	N/A	N/A
CAD061620217	Intel Corp. Intel Corporation Intel Corporation is an American multinational semiconductor chip maker corporation headquartered in Santa Clara, California, United States and the world's largest semiconductor chip maker, based on revenue. It is the inventor of the x86 series of microprocessors, the processors found in most... (Mountain View Plant)	Santa Clara Santa Clara County, California Santa Clara County is a county located at the southern end of the San Francisco Bay Area in the U.S. state of California. As of 2010 it had a population of 1,781,642. The county seat is San Jose. The highly urbanized Santa Clara Valley within Santa Clara County is also known as Silicon Valley...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0901482	10/15/1984	06/10/1986	08/24/1999	N/A	N/A
CAT000612184	Intel Corp. Intel Corporation Intel Corporation is an American multinational semiconductor chip maker corporation headquartered in Santa Clara, California, United States and the world's largest semiconductor chip maker, based on revenue. It is the inventor of the x86 series of microprocessors, the processors found in most... (Santa Clara III)	Santa Clara Santa Clara County, California Santa Clara County is a county located at the southern end of the San Francisco Bay Area in the U.S. state of California. As of 2010 it had a population of 1,781,642. The county seat is San Jose. The highly urbanized Santa Clara Valley within Santa Clara County is also known as Silicon Valley...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902632	10/15/1984	06/10/1986	08/18/1992	N/A	N/A
CAD092212497	Intel Magnetics Intel Corporation Intel Corporation is an American multinational semiconductor chip maker corporation headquartered in Santa Clara, California, United States and the world's largest semiconductor chip maker, based on revenue. It is the inventor of the x86 series of microprocessors, the processors found in most...	Santa Clara Santa Clara County, California Santa Clara County is a county located at the southern end of the San Francisco Bay Area in the U.S. state of California. As of 2010 it had a population of 1,781,642. The county seat is San Jose. The highly urbanized Santa Clara Valley within Santa Clara County is also known as Silicon Valley...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0901661	10/15/1984	06/10/1986	08/19/1992	N/A	N/A
CAD041472341	Intersil Inc. Intersil Intersil Corporation is an American company that specializes in the design, development and manufacturing of high-performance analog semiconductors for four high-growth markets — Communications, Computing, High End Consumer and Industrial.-Company history:... /Siemens Components Siemens Siemens may refer toSiemens, a German family name carried by generations of telecommunications industrialists, including:* Werner von Siemens , inventor, founder of Siemens AG...	Santa Clara Santa Clara County, California Santa Clara County is a county located at the southern end of the San Francisco Bay Area in the U.S. state of California. As of 2010 it had a population of 1,781,642. The county seat is San Jose. The highly urbanized Santa Clara Valley within Santa Clara County is also known as Silicon Valley...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0901325	06/24/1988	08/30/1990	09/08/1992	N/A	N/A
CAD009103318	Jasco Chemical Corp.	Santa Clara Santa Clara County, California Santa Clara County is a county located at the southern end of the San Francisco Bay Area in the U.S. state of California. As of 2010 it had a population of 1,781,642. The county seat is San Jose. The highly urbanized Santa Clara Valley within Santa Clara County is also known as Silicon Valley...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0901126	06/24/1988	10/04/1989	09/20/2002	N/A	N/A
CAD029295706	Lorentz Barrel & Drum Co.	Santa Clara Santa Clara County, California Santa Clara County is a county located at the southern end of the San Francisco Bay Area in the U.S. state of California. As of 2010 it had a population of 1,781,642. The county seat is San Jose. The highly urbanized Santa Clara Valley within Santa Clara County is also known as Silicon Valley...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0901287	10/15/1984	10/04/1989	09/29/1998	N/A	N/A
CA2170090078	Moffett Naval Air Station	Santa Clara Santa Clara County, California Santa Clara County is a county located at the southern end of the San Francisco Bay Area in the U.S. state of California. As of 2010 it had a population of 1,781,642. The county seat is San Jose. The highly urbanized Santa Clara Valley within Santa Clara County is also known as Silicon Valley...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902734	04/10/1985	07/22/1987	N/A	N/A	N/A
CAD049236201	Monolithic Memories Monolithic Memories Monolithic Memories, Inc. produced bipolar PROMs, programmable logic devices, and logic circuits .A team of MMI engineers,under the direction of Ze'ev Drori and headed by John Birkner and H. T...	Santa Clara Santa Clara County, California Santa Clara County is a county located at the southern end of the San Francisco Bay Area in the U.S. state of California. As of 2010 it had a population of 1,781,642. The county seat is San Jose. The highly urbanized Santa Clara Valley within Santa Clara County is also known as Silicon Valley...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0901398	10/15/1984	07/22/1987	08/22/1994	N/A	N/A
CAD041472986	National Semiconductor Corp. National Semiconductor National Semiconductor was an American semiconductor manufacturer, that specialized in analog devices and subsystems,formerly headquartered in Santa Clara, California, USA. The products of National Semiconductor included power management circuits, display drivers, audio and operational amplifiers,...	Santa Clara Santa Clara County, California Santa Clara County is a county located at the southern end of the San Francisco Bay Area in the U.S. state of California. As of 2010 it had a population of 1,781,642. The county seat is San Jose. The highly urbanized Santa Clara Valley within Santa Clara County is also known as Silicon Valley...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0901326	10/15/1984	07/22/1987	10/16/1997	N/A	N/A
CAD009205097	Raytheon Corp. Raytheon Raytheon Company is a major American defense contractor and industrial corporation with core manufacturing concentrations in weapons and military and commercial electronics. It was previously involved in corporate and special-mission aircraft until early 2007...	Santa Clara Santa Clara County, California Santa Clara County is a county located at the southern end of the San Francisco Bay Area in the U.S. state of California. As of 2010 it had a population of 1,781,642. The county seat is San Jose. The highly urbanized Santa Clara Valley within Santa Clara County is also known as Silicon Valley...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0901202	10/15/1984	06/10/1986	08/24/1999	N/A	N/A
CAD980894885	South Bay Asbestos Area	Santa Clara Santa Clara County, California Santa Clara County is a county located at the southern end of the San Francisco Bay Area in the U.S. state of California. As of 2010 it had a population of 1,781,642. The county seat is San Jose. The highly urbanized Santa Clara Valley within Santa Clara County is also known as Silicon Valley...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902250	10/15/1984	06/10/1986	09/23/1998	N/A	N/A
CAD009138488	Spectra-Physics, Inc.	Santa Clara Santa Clara County, California Santa Clara County is a county located at the southern end of the San Francisco Bay Area in the U.S. state of California. As of 2010 it had a population of 1,781,642. The county seat is San Jose. The highly urbanized Santa Clara Valley within Santa Clara County is also known as Silicon Valley...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0900252	06/24/1988	02/11/1991	09/16/1992	N/A	N/A
CAD990832735	Synertek, Inc. (Building 1) Synertek Synertek, Inc. was an American semiconductor manufacturer founded in 1973. The initial founding group consisted of Bob Schreiner , Dan Floyd, Zvi Grinfas, Jack Balletto, and Gunnar Wetlesen. The manufacturing technology was MOS/LSI...	Santa Clara Santa Clara County, California Santa Clara County is a county located at the southern end of the San Francisco Bay Area in the U.S. state of California. As of 2010 it had a population of 1,781,642. The county seat is San Jose. The highly urbanized Santa Clara Valley within Santa Clara County is also known as Silicon Valley...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902620	06/24/1988	10/04/1989	03/25/1992	N/A	N/A
CAD009159088	TRW Microwave, Inc. (Building 825) TRW TRW Inc. was an American corporation involved in a variety of businesses, mainly aerospace, automotive, and credit reporting. It was a pioneer in multiple fields including electronic components, integrated circuits, computers, software and systems engineering. TRW built many spacecraft,...	Santa Clara Santa Clara County, California Santa Clara County is a county located at the southern end of the San Francisco Bay Area in the U.S. state of California. As of 2010 it had a population of 1,781,642. The county seat is San Jose. The highly urbanized Santa Clara Valley within Santa Clara County is also known as Silicon Valley...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0901181	06/24/1988	02/21/1990	09/17/1993	N/A	N/A
CAD009111444	Teledyne Semiconductor Teledyne Teledyne Technologies Incorporated is an industrial conglomerate primarily based in the United States but with global operations. It was founded in 1960, as Teledyne, Inc., by Henry Singleton and George Kozmetsky....	Santa Clara Santa Clara County, California Santa Clara County is a county located at the southern end of the San Francisco Bay Area in the U.S. state of California. As of 2010 it had a population of 1,781,642. The county seat is San Jose. The highly urbanized Santa Clara Valley within Santa Clara County is also known as Silicon Valley...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0901134	10/15/1984	07/22/1987	03/31/1992	N/A	N/A
CAD001864081	Westinghouse Electric Corp. (Sunnyvale Plant)	Santa Clara Santa Clara County, California Santa Clara County is a county located at the southern end of the San Francisco Bay Area in the U.S. state of California. As of 2010 it had a population of 1,781,642. The county seat is San Jose. The highly urbanized Santa Clara Valley within Santa Clara County is also known as Silicon Valley...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0900956	10/15/1984	06/10/1986	09/27/2000	N/A	N/A
CAD980893234	Watkins-Johnson Co. (Stewart Division Plant)	Santa Cruz Santa Cruz County, California Santa Cruz County is a county located on the Pacific coast of the U.S. state of California, on the California Central Coast. The county forms the northern coast of the Monterey Bay. . As of the 2010 U.S. Census, its population was 262,382. The county seat is Santa Cruz...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902226	01/22/1987	08/30/1990	09/22/1994	N/A	N/A
CAD980498612	Iron Mountain Mine Iron Mountain Mine Iron Mountain Mine, also known as the Richmond Mine at Iron Mountain, is a mine near Redding in Northern California. Geologically classified as a "massive sulfide ore deposit", the site was mined for iron, silver, gold, copper, zinc, and pyrite intermittently from the 1860s until 1963...	Shasta Shasta County, California Shasta County is a county located in the northern portion of the U.S. state of California. The county occupies the northern reaches of the Sacramento Valley, with portions extending into the southern reaches of the Cascade Range. As of the 2010 census, the population was 177,223, up from 163,256...	Surface water is contaminated with sulfuric acid, copper, zinc, and cadmium from the mine.	12/30/1982	09/08/1983	N/A	N/A	N/A
CAN000906063	Blue Ledge Mine	Siskiyou Siskiyou County, California Siskiyou County is a county located in the far northernmost part of the U.S. state of California, in the Shasta Cascade region on the Oregon border. Yreka is the county seat. Because of its substantial natural beauty, outdoor recreation opportunities, and Gold Rush era history, it is an important...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0906063	03/10/2011	–	–	–	–
CAD000625731	J.H. Baxter & Co.	Siskiyou Siskiyou County, California Siskiyou County is a county located in the far northernmost part of the U.S. state of California, in the Shasta Cascade region on the Oregon border. Yreka is the county seat. Because of its substantial natural beauty, outdoor recreation opportunities, and Gold Rush era history, it is an important...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0900917	10/15/1984	10/04/1989	09/14/2001	N/A	N/A
CA2890190000	Laboratory for Energy-Related Health Research/Old Campus Landfill (USDOE United States Department of Energy The United States Department of Energy is a Cabinet-level department of the United States government concerned with the United States' policies regarding energy and safety in handling nuclear material... )	Solano Solano County, California Solano County is a county located in Bay-Delta region of the U.S. state of California, about halfway between San Francisco and Sacramento and is one of the nine San Francisco Bay Area counties. The county's population was reported by the U.S. Census to be 413,344 in 2010...	Groundwater and soil contaminated with solvents, chemical wastes, and radioactive wastes.	01/18/1994	05/31/1994	N/A	N/A	N/A
CA5570024575	Travis Air Force Base Travis Air Force Base Travis Air Force Base is a United States Air Force air base under the operational control of the Air Mobility Command , located three miles east of the central business district of Fairfield, in Solano County, California, United States. The base is named for Brigadier General Robert F...	Solano Solano County, California Solano County is a county located in Bay-Delta region of the U.S. state of California, about halfway between San Francisco and Sacramento and is one of the nine San Francisco Bay Area counties. The county's population was reported by the U.S. Census to be 413,344 in 2010...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902767	07/14/1989	11/21/1989	N/A	N/A	N/A
CAD000074120	MGM Brakes	Sonoma Sonoma County, California Sonoma County, located on the northern coast of the U.S. state of California, is the largest and northernmost of the nine San Francisco Bay Area counties. Its population at the 2010 census was 483,878. Its largest city and county seat is Santa Rosa....	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0900899	12/30/1982	09/08/1983	09/09/1994	N/A	N/A
CAD981171523	Sola Optical USA, Inc.	Sonoma Sonoma County, California Sonoma County, located on the northern coast of the U.S. state of California, is the largest and northernmost of the nine San Francisco Bay Area counties. Its population at the 2010 census was 483,878. Its largest city and county seat is Santa Rosa....	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902280	06/24/1988	02/21/1990	08/14/1992	N/A	N/A
CAD981997752	Modesto Ground Water Contamination	Stanislaus Stanislaus County, California Stanislaus County is a county located in the Central Valley of the U.S. state of California. As the price of housing has increased in the San Francisco Bay Area, many people who work in the southern reaches of the Bay Area have opted for the longer commute and moved to Stanislaus County for the...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902527	06/24/1988	03/31/1989	N/A	N/A	N/A
CA7210020759	Riverbank Army Ammunition Plant Riverbank Army Ammunition Plant Riverbank Army Ammunition Plant is located just outside Riverbank, California, in Stanislaus County. It includes 132 buildings, 19 from the original con-struction period, and covers ....	Stanislaus Stanislaus County, California Stanislaus County is a county located in the Central Valley of the U.S. state of California. As the price of housing has increased in the San Francisco Bay Area, many people who work in the southern reaches of the Bay Area have opted for the longer commute and moved to Stanislaus County for the...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902785	06/24/1988	02/21/1990	09/30/1997	N/A	N/A
CAD063020143	Valley Wood Preserving, Inc.	Stanislaus Stanislaus County, California Stanislaus County is a county located in the Central Valley of the U.S. state of California. As the price of housing has increased in the San Francisco Bay Area, many people who work in the southern reaches of the Bay Area have opted for the longer commute and moved to Stanislaus County for the...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0901490	06/24/1988	03/31/1989	08/21/2008	N/A	N/A
CAD048645444	Beckman Instruments Beckman Coulter Beckman Coulter Inc., is a company that makes biomedical laboratory instruments. Founded by Caltech professor Arnold O. Beckman in 1935 as National Technical Laboratories to commercialize a pH meter that he had invented, the company eventually grew to employ over 10,000 people, with $2.4 billion in... (Porterville Plant)	Tulare Tulare County, California Tulare County is a county located in the Central Valley of the U.S. state of California, south of Fresno. Sequoia National Park is located in the county, as are part of Kings Canyon National Park, in its northeast corner , and part of Mount Whitney, on its eastern border...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0901391	10/15/1984	06/10/1986	09/21/1993	N/A	N/A
CAD980816466	Southern California Edison Co. (Visalia Poleyard) Southern California Edison Southern California Edison , the largest subsidiary of Edison International , is the primary electricity supply company for much of Southern California, USA. It provides 14 million people with electricity...	Tulare Tulare County, California Tulare County is a county located in the Central Valley of the U.S. state of California, south of Fresno. Sequoia National Park is located in the county, as are part of Kings Canyon National Park, in its northeast corner , and part of Mount Whitney, on its eastern border...	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0902061	01/22/1987	03/31/1989	09/25/2001	N/A	09/25/2009
CAD009688052	Halaco Engineering Co.	Ventura Ventura County, California Ventura County is a county in the southern part of the U.S. state of California. It is located on California's Pacific coast. It is often referred to as the Gold Coast, and has a reputation of being one of the safest populated places and one of the most affluent places in the country...	Contamination found on site includes a combination of several metals and radionuclides significantly above background. These contaminants include aluminum, arsenic, barium, beryllium, cadmium, chromium, copper, lead, magnesium, manganese, nickel, silver, zinc, cesium-137, potassium-40, thorium-228, thorium-230, and thorium-232.	03/07/2007	09/19/2007	N/A	N/A	N/A
CAD980636781	Pacific Coast Pipe Lines (Texaco Texaco Texaco is the name of an American oil retail brand. Its flagship product is its fuel "Texaco with Techron". It also owns the Havoline motor oil brand.... )	Ventura Ventura County, California Ventura County is a county in the southern part of the U.S. state of California. It is located on California's Pacific coast. It is often referred to as the Gold Coast, and has a reputation of being one of the safest populated places and one of the most affluent places in the country...	Liquid and semisolid refinery wastes were dumped in unlined pits and sumps. Soil contains benzene, 1,3-dichlorobenzene, and lead.	06/24/1988	10/04/1989	09/27/1996	N/A	N/A
CAD071530380	Frontier Fertilizer	Yolo Yolo County, California Yolo County is a county located in the northern part of the U.S. state of California, bordered by the other counties of Sacramento, Solano, Napa, Lake, Colusa, and Sutter. The city of Woodland is its county seat, though Davis is its largest city....	http://cfpub.epa.gov/supercpad/cursites/csitinfo.cfm?id=0901554	01/18/1994	05/31/1994	N/A	N/A	N/A

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Superfund sites

See also

External links