Boundary Dam is a concrete arch gravity-type hydroelectric

dam A dam is a barrier that stops or restricts the flow of surface water or underground streams. Reservoirs created by dams not only suppress floods but also provide water for activities such as irrigation, human consumption, industrial use ...

, finished in 1967, on the

Pend Oreille River The Pend Oreille River ( ) is a tributary of the Columbia River, approximately long, in northern Idaho and northeastern Washington in the United States, as well as southeastern British Columbia in Canada. In its passage through British Columbi ...

, in the

U.S. state In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its sove ...

Washington Washington commonly refers to: * Washington (state), United States * Washington, D.C., the capital of the United States ** A metonym for the federal government of the United States ** Washington metropolitan area, the metropolitan area centered o ...

. The dam is located in the northeast corner of Washington state. It is operated by

Seattle City Light Seattle City Light is the public utility providing electricity to Seattle, Washington, in the United States, and parts of its metropolitan area, including all of Shoreline and Lake Forest Park and parts of unincorporated King County, Burien, N ...

and makes up a significant portion of the City of Seattle's energy portfolio. On average, it provides upwards of 46% of the power generated by Seattle City Light. Boundary Powerhouse, located adjacent to the dam, is completely built inside of the rock that makes up the left abutment of the dam itself. It has a nameplate capacity of just over 1 gigawatt of generation. The component of the hydroelectric project were listed on the

National Register of Historic Places The National Register of Historic Places (NRHP) is the United States federal government's official list of districts, sites, buildings, structures and objects deemed worthy of preservation for their historical significance or "great artistic ...

in 2018. The 1997 film ''

The Postman ''The Postman'' is a post-apocalyptic dystopia science fiction novel by David Brin. It is about a man wandering the desolate Oregon countryside who finds a United States Postal Service uniform, which he puts on and then claims he is a mail carri ...

'' was partially filmed at the dam. A facade of the town (Bridge City in the film) appeared on the face of the dam for a period of time that year.Seattle Municipal Archives – Boundary Dam
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References

{{Pend Oreille River dams Dams in Washington (state) Seattle City Light dams Hydroelectric power plants in Washington (state) Buildings and structures in Pend Oreille County, Washington United States power company dams Dams completed in 1967 Energy infrastructure completed in 1967 Dams on the Pend Oreille River Arch-gravity dams National Register of Historic Places in Pend Oreille County, Washington Dams on the National Register of Historic Places in Washington (state)

See also

References