alameda naval air station

W END CITY OF ALAMEDA

Alameda Naval Air Station is a closed Navy installation located on Alameda Island, adjacent to the City of Alameda in Alameda County, California. Alameda Island lies along the eastern side of the San Francisco Bay, adjacent to the City of Oakland. The boundaries of the former installation are roughly rectangular in shape (approximately two miles in length and one mile in width) and occupy 2,634 acres. Of the total acreage, approximately 1,636 acres consist of dry land and 998 acres are submerged. Alameda is bordered to the north by the Oakland Inner Harbor, and is surrounded by the San Francisco bay on the west and south sides. To the east is a mixture of residential, commercial, industrial, and public land including single-family homes, restaurants, retail stores, schools, shipyards and a state beach. Prior to 1936, the area was occupied by a borax processing plant, an oil refinery, and an airport for the City of Alameda. Since 1936, when the Navy acquired title to Alameda, the air station’s primary mission was to provide facilities and support for fleet aviation activities. Alameda was designated for closure in September 1993, and the installation ceased all naval operations in April 1997. The installation was placed on the National Priorities List in July 1999. A Federal Facility Agreement was signed in July 2001. Most of the base is planned for transfer to the City of Alameda. Wastes generated at the Site included industrial solvents, acids, paint strippers, degreasers, caustic cleaners, pesticides, chromium and cyanide wastes, waste oils containing PCBs, radium associated with dial painting and stripping, medical debris, and inert and unexploded ordnance. Solid wastes generated at the Site were disposed into two on-base landfills. All liquid industrial wastewaters generated at the Site prior to 1974 were discharged untreated into Seaplane Lagoon and the Oakland Inner Harbor. Wastes discharged to the Seaplane Lagoon and the two on-base landfills pose a threat to the surrounding San Francisco Bay aquatic life and a potential threat to terrestrial ecological receptors. Dense Non-Aqueous Phase Liquid (DNAPL) plumes at two former major industrial buildings pose a potential long term human health threat from inhalation of volatile vapors and possible ingestion of groundwater.

Hazardous Ranking Score

50 / 100

A score of 28.5 or higher qualifies a site for the Superfund National Priority List.

Regional Contact

Region 9
Phone: (415) 947-4251

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Timeline

Discovery
Site Inspection
Preliminary Assessment
Final Listing On NPL
Removal

Contaminants & Health Effects

      Carcinogen
      Endocrine Disrupter
      Neurotoxic
      Sensitiser
      Reproductive Toxin
      Persistent, bioaccumulative and toxic
      VOC
      Mutagen

        Census

        White
        African American
        Asian
        American Indian and Alaska Native
        Native Hawaiian
        Other

        617

        People living
        within a 1 mile radius

        $88,360

        Average Income

        1

        Occupied homes

        Potentially Responsible Parties

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