California hosts 99 Superfund cleanup sites, 1,207 facilities reporting to EPA's Toxic Release Inventory, and 374 facilities currently in significant noncompliance with federal environmental laws. EPA has assessed $658.7M in lifetime penalties across these facilities, and TRI reporters released roughly 23.3M pounds of regulated chemicals on-site in the latest reporting year. The single largest on-site releaser is Wm - Kettleman Hills Hazardous Waste Facility in Kettleman City, reporting 6.1M lb to EPA.
| Site | City | Status |
|---|---|---|
| Advanced Micro Devices Inc | Sunnyvale | Construction complete |
| Advanced Micro Devices Inc Building 915 | Sunnyvale | Ready for anticipated reuse |
| Aerojet General Corp | Rancho Cordova | Cleanup underway |
| Afterthought Mine | Bella Vista | Listed on NPL |
| Alameda Naval Air Station | Alameda | Cleanup underway |
| Alark Hard Chrome | Riverside | Listed on NPL |
| Amco Chemical | Oakland | Listed on NPL |
| Applied Materials | Santa Clara | Ready for anticipated reuse |
| Argonaut Mine | Jackson | Listed on NPL |
| Atlas Asbestos Mine | Coalinga | Ready for anticipated reuse |
| Barstow Marine Corps Logistics Base | Barstow | Cleanup underway |
| Blue Ledge Mine | Rogue River-Siskiyou Nf | Listed on NPL |
| Brown Bryant Inc Arvin Plant | Arvin | Cleanup underway |
| Camp Pendleton Marine Corps Base | Camp Pendleton | Cleanup underway |
| Casmalia Resources | Casmalia | Remedy selected |
| Castle Air Force Base 6 Areas | Merced | Ready for anticipated reuse |
| Coast Wood Preserving | Ukiah | Ready for anticipated reuse |
| Concord Naval Weapons Station | Concord | Cleanup underway |
| Cooper Drum Co | South Gate | Cleanup underway |
| Copper Bluff Mine | Hoopa | Listed on NPL |
| Crazy Horse Sanitary Landfill | Salinas | Listed on NPL |
| Cts Printex Inc | Mountain View | Ready for anticipated reuse |
| Del Amo | Los Angeles | Cleanup underway |
| Edwards Air Force Base | Edwards Afb | Cleanup underway |
| El Toro Marine Corps Air Station | El Toro | Cleanup underway |
| Exide Technologies Vernon | Vernon | Proposed for NPL |
| Fairchild Semiconductor Corp Mountain View Plant | Mountain View | Construction complete |
| Fairchild Semiconductor Corp South San Jose Plant | San Jose | Ready for anticipated reuse |
| Fort Ord | Marina | Cleanup underway |
| Fresno Municipal Sanitary Landfill | Fresno | Cleanup underway |
| Frontier Fertilizer | Davis | Construction complete |
| George Air Force Base | Victorville | Cleanup underway |
| Halaco Engineering Company | Oxnard | Listed on NPL |
| Hewlett Packard 620 640 Page Mill Road | Palo Alto | Ready for anticipated reuse |
| Hunters Point Naval Shipyard | San Francisco | Cleanup underway |
| Industrial Waste Processing | Fresno | Construction complete |
| Intel Corp Mountain View Plant | Mountain View | Construction complete |
| Intel Magnetics | Santa Clara | Ready for anticipated reuse |
| Intersil Inc Siemens Components | Cupertino | Construction complete |
| Iron Mountain Mine | Redding | Cleanup underway |
| J H Baxter Co | Weed | Ready for anticipated reuse |
| Jervis B Webb Co | South Gate | Listed on NPL |
| Jet Propulsion Laboratory Nasa | Pasadena | Ready for anticipated reuse |
| Klau Buena Vista Mine | Paso Robles | Listed on NPL |
| Koppers Co Inc Oroville Plant | Oroville | Ready for anticipated reuse |
| Laboratory For Energy Related Health Research Old Campus Landfill Usdoe | Davis | Cleanup underway |
| Lava Cap Mine | Nevada City | Cleanup underway |
| Lawrence Livermore Natl Lab Main Site Usdoe | Livermore | Ready for anticipated reuse |
| Lawrence Livermore Natl Lab Site 300 Usdoe | Tracy | Cleanup underway |
| Leviathan Mine | Markleeville | Listed on NPL |
| Lorentz Barrel Drum Co | San Jose | Ready for anticipated reuse |
| March Air Force Base | Riverside | Remedy selected |
| Mather Air Force Base Ac W Disposal Site | Mather | Construction complete |
| Mcclellan Air Force Base Ground Water Contamination | Mcclellan Afb | Cleanup underway |
| Mccoll | Fullerton | Ready for anticipated reuse |
| Mccormick Baxter Creosoting Co | Stockton | Cleanup underway |
| Modesto Ground Water Contamination | Modesto | Cleanup underway |
| Moffett Field Naval Air Station | Moffett Field | Cleanup underway |
| Monolithic Memories | Sunnyvale | Ready for anticipated reuse |
| Montrose Chemical Corp | Torrance | Cleanup underway |
| National Semiconductor Corp | Santa Clara | Construction complete |
| New Idria Mercury Mine | Idria | Listed on NPL |
| Newmark Ground Water Contamination | San Bernardino | Cleanup underway |
| Norton Air Force Base Lndfll 2 | San Bernardino | Construction complete |
| Omega Chemical Corporation | Whittier | Cleanup underway |
| Operating Industries Inc Landfill | Monterey Park | Ready for anticipated reuse |
| Orange County North Basin | Orange County | Listed on NPL |
| Pacific Coast Pipeline | Fillmore | Ready for anticipated reuse |
| Pemaco Maywood | Maywood | Ready for anticipated reuse |
| Purity Oil Sales Inc | Malaga | Construction complete |
| Raytheon Corp | Mountain View | Construction complete |
| Riverbank Army Ammunition Plant | Riverbank | Construction complete |
| Rockets Fireworks And Flares Site | Rialto | Cleanup underway |
| Sacramento Army Depot | Sacramento | Ready for anticipated reuse |
| San Fernando Valley Area 1 | North Hollywood | Cleanup underway |
| San Fernando Valley Area 2 | Glendale | Cleanup underway |
| San Fernando Valley Area 4 | Los Angeles | Listed on NPL |
| San Gabriel Valley Area 1 | El Monte | Cleanup underway |
| San Gabriel Valley Area 2 | Baldwin Park | Cleanup underway |
| San Gabriel Valley Area 3 | Alhambra | Listed on NPL |
| San Gabriel Valley Area 4 | La Puente | Cleanup underway |
| Selma Pressure Treating Company | Selma | Ready for anticipated reuse |
| Sharpe Army Depot | Lathrop | Construction complete |
| South Bay Asbestos Area | Alviso | Ready for anticipated reuse |
| Southern Avenue Industrial Area | South Gate | Listed on NPL |
| Spectra Physics Inc | Mountain View | Ready for anticipated reuse |
| Stoker Chemical | Imperial | Proposed for NPL |
| Stringfellow | Jurupa Valley | Cleanup underway |
| Sulphur Bank Mercury Mine | Clearlake Oaks | Cleanup underway |
| Synertek Inc Building 1 | Santa Clara | Construction complete |
| Teledyne Semiconductor | Mountain View | Ready for anticipated reuse |
| Tracy Defense Depot Usarmy | Tracy | Construction complete |
| Travis Air Force Base | Travis Afb | Cleanup underway |
| Trw Microwave Inc Building 825 | Sunnyvale | Construction complete |
| United Heckathorn Co | Richmond | Cleanup underway |
| Valley Wood Preserving Inc | Turlock | Ready for anticipated reuse |
| Waste Disposal Inc | Santa Fe Springs | Ready for anticipated reuse |
| Watkins Johnson Co Stewart Division Plant | Scotts Valley | Construction complete |
| Westinghouse Electric Corp Sunnyvale Plant | Sunnyvale | Ready for anticipated reuse |