Waste Disposal, Inc. Superfund Site (Santa Fe Springs, California)

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The Waste Disposal, Inc. (WDI) Superfund site is located in the City of Santa Fe Springs, on approximately 38 acres of land divided into multiple parcels. The site consists of 22 individual parcels of land that are owned by as many as 20 landowners. Owners and tenants operate roughly 35 onsite small businesses that around the perimeter of the site. A high school with athletic fields is located immediately adjacent to the northeast corner of the site. A residential area is located just across the street to the east of the site.

At its center, the WDI site contains a buried 42-million gallon capacity concrete-lined reservoir originally constructed for crude petroleum storage. The reservoir - also called “the dial” - 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 some 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 16,800 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.

The former Waste Disposal Inc. site was ranked 55th on the state's August list of worst toxic waste sites targeted for cleanup.

yosemite.epa.gov/r9/sfund/r9sfdocw.nsf/ViewByEPAID/CAD9...
articles.latimes.com/1985-09-01/news/hl-26030_1_dump-si...