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California Superfund (NPL) Sites

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Active Sites

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Advanced Micro Devices

Location: Sunnyvale, Santa Clara County

Contaminants: 1,2-Dichlorobenzene 1,1-Dichloroethane 1,1-Dichloroethene cis-1,2-Dichloroethene trans-1,2-Dichloroethene Freon 113 Tetrachloroethene 1,1,1-Trichloroethane Trichloroethene Vinyl Chloride


Advanced Micro Devices (Building 915)

Location: Sunnyvale, Santa Clara County

Contaminants: Arsenic Benzene Chloroform Chromium 1,1-Dichloroethane 1,1-Dichloroethene cis-1,2-Dichloroethene trans-1,2-Dichloroethene Ethylbenzene Freon 11 Freon 113 Freon 12 Tetrachloroethene Toluene 1,2,4-Trichlorobenzene 1,1,1-Trichloroethane Trichloroethene Xylenes


Aerojet General Corp.

Location: Rancho Cordova, Sacramento County

Contaminants: Arsenic Beryllium Cadmium Carbon Tetrachloride Chloroform Chromium Cobalt Copper 1,1-Dichloroethane 1,2-Dichloroethane 1,1-Dichloroethene Lead Nickel N-Nitrosodimethylamine Perchlorate Tetrachloroethene 1,1,2-Trichloroethane Trichloroethene Vinyl Chloride Zinc


Alameda Naval Air Station

Location: Alameda, Alameda County

Contaminants: Aldrin Arsenic Benzene Cadmium Chlordane Chromium Cyanide DDT 1,4-Dichlorobenzene 1,1-Dichloroethane 1,2-Dichloroethane 1,1-Dichloroethene Lead Naphthalene Nickel PAHs PCBs Tetrachloroethene Thallium Trichloroethene Vinyl Chloride


Alark Hard Chrome

Location: Riverside, Riverside County

Contaminants: Chromium


AMCO Chemical

Location: Oakland, Alameda County

Contaminants: Vinyl Chloride


Applied Materials

Location: Santa Clara, Santa Clara County

Contaminants: 1,1-Dichloroethane 1,1-Dichloroethene 1,1,1-Trichloroethane


Argonaut Mine

Location: Jackson, Amador County

Contaminants: Arsenic Lead Mercury


Atlas Asbestos Mine

Location: Fresno and San Benito Counties

Contaminants: Asbestos


Barstow Marine Corps Logistics Base

Location: Barstow, San Bernandino County

Contaminants: Metals PAHs PCBs Pesticides Tetrachloroethene Trichloroethene VOCs


Blue Ledge Mine

Location: Rogue River, Siskiyou National Forest

Contaminants: Copper


Brown & Bryant, Inc. (Arvin Plant)

Location: Arvin, Kern County

Contaminants: Dinoseb 1,2-Dibromoethane


Camp Pendleton Marine Corps Base

Location: San Diego County

Contaminants: Metals PCBs Pesticides TPH VOCs


Casmalia Resources

Location: Casmalia, Santa Barbara County

Contaminants: Cyanide Metals PCBs Pesticides


Castle Air Force Base

Location: Atwater, Merced County

Contaminants: Benzene cis-1,2-Dichloroethene Ethylbenzene Toluene Trichloroethene Xylenes


Coast Wood Preserving

Location: Ukiah, Mendocino County

Contaminants: Arsenic Chromium Copper


Concord Naval Weapons Station

Location: Concord, Contra Costa County

Contaminants: Arsenic Cadmium Copper Lead Zinc


Cooper Drum Co.

Location: South Gate, Los Angeles County

Contaminants: 1,1-Dichloroethane 1,2-Dichloroethane 1,2-Dichloroethene 1,4-Dioxane Lead PAHs PCBs Trichloroethene


Copper Bluff Mine

Location: Hoopa, Humboldt County

Contaminants: Cadmium Copper Zinc


Crazy Horse Sanitary Landfill

Location: Salinas, Monterey County

Contaminants: Benzene Toluene VOCs


CTS Printex

Location: Mountain View, Santa Clara County

Contaminants: Copper Lead VOCs


Del Amo Facility

Location: Los Angeles, Los Angeles County

Contaminants: Benzene Chlorobenzene Isopropylbenzene PAHs Toluene Tetrachloroethene Trichloroethene


Edwards Air Force Base

Location: Near Lancaster, Kern County

Contaminants: Benzene 1,4-Dioxane Perchlorate Tetrachloroethene Trichloroethene


El Toro Marine Corps Air Station

Location: Irvine, Orange County

Contaminants: Metals VOCs


Fairchild Semiconductor Corp. (Mountain View Plant)

Location: Mountain View, Santa Clara County

Contaminants: Trichloroethene VOCs


Fairchild Semiconductor Corp. (South San Jose Plant)

Location: San Jose, Santa Clara County

Contaminants: Chlorinated Organic Solvents


Fort Ord

Location: Near Monterery, Monterey County

Contaminants: Beryllium Carbon Tetrachloride Lead TPH VOCs


Fresno Municipal Sanitary Landfill

Location: Fresno, Fresno County

Contaminants: Vinyl Chloride VOCs


Frontier Fertilizer

Location: Davis, Yolo County

Contaminants: Carbon Tetrachloride 1,2-Dibromoethane 1,2-Dichloropropane 1,2-Dibromo-3-chloropropane


George Air Force Base

Location: Victorville, San Bernandino County

Contaminants: Chlorinated Solvents Jet Fuel Trichloroethene VOCs


Halaco Engineering

Location: Oxnard, Ventura County

Contaminants: Aluminum Barium Beryllium Cadmium Chromium Copper Lead Manganese Nickel Thorium Zinc


Hewlett-Packard

Location: Palo Alto, Santa Clara County

Contaminants: VOCs


Hunters Point Naval Shipyard

Location: San Francisco, San Francisco County

Contaminants: Asbestos Cesium Lead Metals PCBs Pesticides Radium TPH Trichloroethene Vinyl Chloride VOCs


Industrial Waste Processing

Location: Pinedale, Fresno County

Contaminants: Acetone Asbestos Lead Trichloroethene


Intel Corp. (Mountain View Plant)

Location: Mountain View, Santa Clara County

Contaminants: Trichloroethene VOCs


Intel Magnetics-Micro Storage

Location: Santa Clara, Santa Clara County

Contaminants: VOCs


Intersil Inc.-Siemens Components

Location: Cupertino, Santa Clara County

Contaminants: VOCs


Iron Mountain Mine

Location: Near Redding, Shasta County

Contaminants: Cadmium Copper Zinc


Jervis B. Webb Co.

Location: South Gate, Los Angeles County

Contaminants: Trichloroethene


Jet Propulsion Laboratory

Location: Pasadena, Los Angeles County

Contaminants: Carbon Tetrachloride Perchlorate Trichloroethene


J. H. Baxter & Co.

Location: Weed, Siskiyou County

Contaminants: Arsenic Chromium Creosote Dioxins PAHs Pentachlorophenol Zinc


Klau Beuna Vista Mine

Location: Paso Robles, San Luis Obispo County

Contaminants: Boron Manganese Mercury Nickel Selenium Thallium Zinc


Koppers Industries

Location: Oroville, Butte County

Contaminants: Arsenic Chromium Copper Dioxins Furans PAHs Pentachlorophenol


Laboratory for Energy-Related Health Research/Old Campus Landfill (USDOE)

Location: Davis, Yolo County

Contaminants: Carbon 14 Cesium 137 Chromium Dieldrin Formaldehyde Mercury Molybdenum PAHs Radium 226 Selenium Strontium 90


Lava Cap Mine

Location: Near Nevada City, Nevada County

Contaminants: Arsenic


Lawrence Livermore National Laboratory

Location: Livermore, Alameda County

Contaminants: Benzene Chromium 1,2-Dibromoethane Lead PCBs Tritium VOCs


Lawrence Livermore National Laboratory (Site 300)

Location: Alameda and San Joaquin Counties

Contaminants: Perchlorate Tritium Uranium VOCs


Leviathan Mine

Location: Markleeville, Alpine County

Contaminants: Arsenic Chromium Nickel Sulfur Zinc


Lorentz Barrel & Drum Co.

Location: San Jose, Santa Clara County

Contaminants: Arsenic Heavy Metals Lead PCBs Pesticides SVOCs VOCs


March Air Force Base

Location: Near Riverside, Riverside County

Contaminants: Jet Fuel Metals VOCs


Mather Air Force Base

Location: Near Sacramento, Sacramento County

Contaminants: Metals Pesticides TPH Trichloroethene VOCs


McClelland Air Force Base

Location: Near Sacramento, Sacramento County

Contaminants: Chromium 1,4-Dioxane Metals PCBs Perchlorate VOCs


McColl

Location: Irvine, Orange County

Contaminants: Benzene Sulfur dioxide Thiophenes


McCormick & Baxter Creosoting Co.

Location: Stockon, San Joaquin County

Contaminants: Arsenic Chromium Copper Creosote Dioxins PAHs Pentachlorophenol


Modesto Groundwater Contamination

Location: Modesto, Stanislaus County

Contaminants: Tetrachloroethene


Moffett Field Naval Air Station

Location: Santa Clara County

Contaminants: 1,1-Dichloroethene cis-1,2-Dichloroethene PCBs Pesticides Petroleum-related hydrocarbons Tetrachloroethene Trichloroethene Vinyl Chloride


Monolithic Memories

Location: Sunnyvale, Santa Clara County

Contaminants: VOCs


Montrose Chemical Corp.

Location: Los Angeles, Los Angeles County

Contaminants: Chlorobenzene DDT p-Chlorobenzene sulfonic acid


National Semiconductor Corp.

Location: Santa Clara, Santa Clara County

Contaminants: VOCs


New Idria Mercury Mine

Location: New Idria, San Benito County

Contaminants: Mercury


Newmark Groundwater Contamination

Location: San Bernandino, San Bernandino County

Contaminants: Tetrachloroethene Trichloroethene VOCs


Norton Air Force Base

Location: San Bernandino, San Bernandino County

Contaminants: Arsenic Chromium Copper Dioxins PCBs Trichloroethene


Omega Chemical Corporation

Location: Whittier, Los Angeles County

Contaminants: Freon Tetrachloroethene Trichloroethene


Operating Industries Inc. Landfill

Location: Monterey Park, Los Angeles County

Contaminants: Benzene Ethylbenzene Tetrachloroethene Toluene Vinyl Chloride


Orange County North Basin

Location: Orange County

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


Pacific Coast Pipe Lines

Location: Fillmore, Ventura County

Contaminants: Arsenic Benzene Lead PAHs Petroleum-related hydrocarbons


Pemaco

Location: Maywood, Los Angeles County

Contaminants: Benzene 1,1-Dichloroethene 1,2-Dichloroethene Tetrachloroethene 1,1,1-Trichloroethane Trichloroethene Vinyl Chloride


Purity Oil Sales

Location: Near Fresno, Fresno County

Contaminants: Copper Lead Manganese PCBs Pesticides Phenol VOCs Zinc


Raytheon Corp.

Location: Mountain View, Santa Clara County

Contaminants: Trichloroethene VOCs


Riverbank Army Ammunition Plant

Location: Riverbank, Stanislaus County

Contaminants: Arsenic Chromium Cyanide Petroleum-related hydrocarbons Zinc


Rockets, Fireworks, and Flares Site

Location: Rialto, San Bernandino County

Contaminants: Carbon Tetrachloride Chloroform Methylene Chloride Perchlorate Trichloroethene


Sacramento Army Depot

Location: Sacramento, Sacramento County

Contaminants: Cadmium Chromium Lead VOCs


San Fernando Valley (Area 1)

Location: Glendale, Los Angeles County

Contaminants: Tetrachloroethene Trichloroethene


San Fernando Valley (Area 2)

Location: Glendale, Los Angeles County

Contaminants: Tetrachloroethene Trichloroethene


San Fernando Valley (Area 4)

Location: Los Angeles, Los Angeles County

Contaminants: Tetrachloroethene Trichloroethene


San Gabriel Valley (Area 1)

Location: Los Angeles County

Contaminants: Carbon Tetrachloride Chloroform Chromium 1,1-Dichloroethene 1,2-Dichloroethane 1,4-Dioxane n-Nitrosodimethylamine Tetrachloroethene Trichloroethene


San Gabriel Valley (Area 2)

Location: Los Angeles County

Contaminants: Benzene Carbon Disulfide Carbon Tetrachloride Chloroform 1,1-Dichloroethene 1,2-Dichloroethane Ethylbenzene Methylene Chloride Tetrachloroethene Toluene Trichloroethene Xylene


San Gabriel Valley (Area 3)

Location: Los Angeles County

Contaminants: VOCs


San Gabriel Valley (Area 4)

Location: Los Angeles County

Contaminants: 1,4-Dioxane n-Nitrosodimethylamine Perchlorate


Selma Treating Co.

Location: Near Selma, Fresno County

Contaminants: Arsenic Chromium Copper Pentachlorophenol VOCs


Sharpe Army Depot

Location: Near Lathrop, San Joaquin County

Contaminants: Metals Pesticides Trichloroethene VOCs


South Bay Asbestos Area

Location: Alviso, Santa Clara County

Contaminants: Asbestos


Southern Avenue Industrial Area

Location: South Gate, Los Angeles County

Contaminants: Trichloroethene


Spectra-Physics, Inc.

Location: Mountain View, Santa Clara County

Contaminants: VOCs


Stringfellow

Location: Near Glen Avon, Riverside County

Contaminants: Cadmium Chromium Manganese Nickel PCBs Perchlorate Pesticides VOCs


Sulphur Bank Mercury Mine

Location: Clear Lake, Lake County

Contaminants: Arsenic Mercury


Synertek, Inc. (Building 1)

Location: Santa Clara, Santa Clara County

Contaminants: VOCs


Teledyne Semiconductor

Location: Mountain View, Santa Clara County

Contaminants: VOCs


Tracy Defense Depot

Location: Near Tracy, San Joaquin County

Contaminants: Dichloroethene Tetrachloroethene Trichloroethene


Travis Air Force Base

Location: Near Fairfield, Solano County

Contaminants: Heavy Metals PAHs VOCs


TRW Microwave, Inc. (Building 825)

Location: Sunnyvale, Santa Clara County

Contaminants: Heavy Metals VOCs


United Heckathorn Co.

Location: Richmond, Contra Costa County

Contaminants: DDT Dieldrin


Valley Wood Preserving, Inc.

Location: Near Turlock, Stanislaus County

Contaminants: Arsenic Chromium


Waste Disposal Inc.

Location: Santa Fe Springs, Los Angeles County

Contaminants: Chlorinated Pesticides Chromium Copper Lead PAHs PCBs Tetrachloroethene Trichloroethene


Watkins-Johnson Company (Stewart Division)

Location: Scotts Valley, Santa Cruz County

Contaminants: VOCs


Westinghouse Electric Corp. (Sunnyvale Plant)

Location: Sunnyvale, Santa Clara County

Contaminants: PCBs Petroleum-related hydrocarbons VOCs


Deleted Sites

Jump to: Active Sites Top


Beckman Instruments

Location: Porterville, Tulare County

Contaminants: 1,1-Dichloroethene Freon 113 Lead Trichloroethene

Deleted: 2022


Celtor Chemical Works

Location: Hoopa, Humboldt County

Contaminants: Arsenic Cadmium Copper Lead Zinc

Deleted: 2003


Coalinga Asbestos Mine

Location: Coalinga, Fresno County

Contaminants: Asbestos

Deleted: 1998


Del Norte Pesticide Storage

Location: Near Crescent City, Del Norte County

Contaminants: 1,2-Dichloropropane

Deleted: 2002


Firestone Tire & Rubber Plant

Location: Near Salinas, Monterey County

Contaminants: VOCs

Deleted: 2005


Intel Corp. (Santa Clara III)

Location: Santa Clara, Santa Clara County

Contaminants: VOCs

Deleted: 2019


JASCO Chemical Corp.

Location: Mountain View, Santa Clara County

Contaminants: Diesel Fuel Pentachlorophenol VOCs

Deleted: 2020


Jibboom Junkyard

Location: Sacramento, Sacramento County

Contaminants: Copper Lead Zinc

Deleted: 1991


Liquid Gold Oil Corporation

Location: Richmond, Contra Costa County

Contaminants: Copper Lead Mercury Petroleum-related hydrocarbons

Deleted: 1996


Louisiana-Pacific Corp.

Location: Near Oroville, Butte County

Contaminants: Arsenic Formaldehyde PAHs Pentachlorophenol

Deleted: 1996


MGM Brakes

Location: Cloverdale, Sonoma County

Contaminants: Trichloroethene

Deleted: 2019


Ralph Gray Trucking Co.

Location: Westminster, Orange County

Contaminants: PAHs Tetrahydrothiophene VOCs

Deleted: 2004


San Fernando Valley (Area 3)

Location: Glendale, Los Angeles County

Contaminants: Tetrachloroethene Trichloroethene

Deleted: 2004


Sola Optical USA, Inc.

Location: Petaluma, Sonoma County

Contaminants: 1,1-Dichloroethane 1,1-Dichloroethene

Deleted: 2013


Southern California Edison Co.

Location: Visalia, Tulare County

Contaminants: Creosote Pentachlorophenol

Deleted: 2009


T.H. Agriculture & Nutrition Co.

Location: Fresno, Fresno County

Contaminants: Pesticides

Deleted: 2006


Western Pacific Railroad

Location: Oroville, Butte County

Contaminants: Arsenic Chromium Lead VOCs

Deleted: 2001


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