Superfund Site: SAN GABRIEL VALLEY (AREA 3)
Superfund Site Profile
EPA is in the process of updating this site profile page with additional current information. Until this update is complete, please click here for additional information about this site and to view site documents. Thank you for your patience.
The San Gabriel Valley (Area 3) site is a 19-square-mile area of contaminated groundwater in Los Angeles, California. It is one of four Superfund sites in the 170-square-mile San Gabriel Valley. Multiple potentially responsible parties (PRPs) contaminated over 30 square miles of groundwater under the Valley with volatile organic compounds (VOCs) and industrial solvents. About 400 facilities in the region have soil contamination. EPA is currently working on the groundwater and soil cleanup plan for the site.