Los Angeles County contains 3,553 EPA-regulated facilities, 52 of which are currently flagged for significant noncompliance. The county also hosts 18 Superfund sites and 343 TRI chemical reporters. EPA has assessed $89.5M in lifetime penalties and TRI reporters disclosed roughly 4.2M lb of on-site releases. That facility count is well above the California state average of 108 per county.
| Site | City | Status |
|---|---|---|
| Omega Chemical Corporation | Whittier | Cleanup underway |
| Exide Technologies Vernon | Vernon | Proposed for NPL |
| Cooper Drum Co | South Gate | Cleanup underway |
| Jet Propulsion Laboratory Nasa | Pasadena | Ready for anticipated reuse |
| Montrose Chemical Corp | Torrance | Cleanup underway |
| San Gabriel Valley Area 4 | La Puente | Cleanup underway |
| San Gabriel Valley Area 2 | Baldwin Park | Cleanup underway |
| San Gabriel Valley Area 3 | Alhambra | Listed on NPL |
| San Fernando Valley Area 1 | North Hollywood | Cleanup underway |
| San Fernando Valley Area 2 | Glendale | Cleanup underway |
| Waste Disposal Inc | Santa Fe Springs | Ready for anticipated reuse |
| San Fernando Valley Area 4 | Los Angeles | Listed on NPL |
| San Gabriel Valley Area 1 | El Monte | Cleanup underway |
| Southern Avenue Industrial Area | South Gate | Listed on NPL |
| Operating Industries Inc Landfill | Monterey Park | Ready for anticipated reuse |
| Del Amo | Los Angeles | Cleanup underway |
| Jervis B Webb Co | South Gate | Listed on NPL |
| Pemaco Maywood | Maywood | Ready for anticipated reuse |