Superfund Site Profile
Naval Weapons Station (WPNSTA) Concord (also known as Naval Weapons Station Seal Beach Detachment, Concord) is a 12,800-acre area in north-central Contra Costa County, California. WPNSTA Concord is composed of two geographically separate units, the Inland (5,170 acres) and Tidal (7,630 acres) Areas, and a 1-acre radiography facility in Pittsburgh, California. Aside from typical administrative and support work activities, this facility is a major ammunition trans-shipment port of the West Coast for the Department of Defense (DoD), operated by the U.S. Army. Following immediate actions to protect human health and the environment, site investigations and long-term cleanup are ongoing.
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