SITE DESCRIPTION

The Waste Disposal, Inc. (WDI) Superfund site is located in the City of Santa Fe Springs, on approximately 40 acres of land divided into multiple parcels. The site is surrounded by commercial and industrial areas to the north, west and south, residential areas to the east, and a school athletic field along the northeastern corner. At its center, the WDI site contains a buried 42-million gallon capacity concrete-lined reservoir originally constructed for crude petroleum storage. The reservoir was decommissioned in the late 1920s, but was used until the mid-1960s for disposal of a variety of hazardous substances including both liquid and solid wastes. Wastes disposed of at the site include petroleum-related chemicals, solvents, sludges, construction debris, drilling muds, and other waste materials. Historical aerial photographs show that liquids were discharged to the reservoir and into bermed areas surrounding the reservoir. The reservoir and portions of the site area were covered with soil during the 1960s. Soil borings indicate that the reservoir is covered by five to ten feet of fill soil. The 15,000 residents of Santa Fe Springs obtain drinking water from wells within three miles of the site. The closest residence is within 50 yards of the site.


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