Puget Sound only Puget Sound proper but also for waters to the north, such as Bellingham Bay and the San Juan Islands region. The term "Puget Sound" is used not just for the body of water but also the Puget Sound region centered on the sound. Major cities on the sound include Seattle, Tacoma, Olympia, and Everett, Washington. Puget Sound is also the third largest estuary in the United States, after Chesapeake Bay in Maryland and Virginia, and San Francisco Bay in northern California. In 1792 George Vancouver gave the name "Puget's Sound" to the waters south of the Tacoma Narrows, in
Puget Sound Naval Shipyard and Intermediate Maintenance Facility the future. Gorst Creek Ravine near Port Orchard, Washington was a hazardous waste dump for the Navy's shipyard waste between 1969 and 1970, when the site was not permitted by local authorities to take waste. After several collapses since 1997 the landfill could blow out Highway 3. The landfill is an "ongoing source of pesticides, polychlorinated biphenyls and metals flowing downstream with the potential to affect groundwater wells, sport fisheries and the Suquamish Tribe's fish hatchery. In October 2014, the US EPA ordered the Navy to fix the problems. The Puget Sound Naval Shipyard contains five historic districts: These five