SAN GABRIEL VALLEY (AREA 3)
Superfund Site Profile
The San Gabriel Valley (Area 3) site is a 19-square-mile area with isolated areas of contaminated groundwater in Los Angeles County, 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 a supplemental Remedial Investigation and Feasibility Study of regional groundwater contamination in Area 3 to identify and evaluate cleanup options.