Tieton Dam is an earth and concrete type

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 ...

on the

Tieton River The Tieton River is a tributary of the Naches River, in Yakima County, Washington in the United States. The Tieton River begins in two forks, the North Fork Tieton River and South Fork Tieton River. The North Fork originates at McCall Glacier on ...

Yakima County Yakima County is a county in the U.S. state of Washington. As of the 2020 census, its population was 256,728. The county seat and largest city is Yakima. The county was formed out of Ferguson County in January 1865 and is named for the Yakama t ...

, 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 sover ...

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 began operation in 1925. Its reservoir,

Rimrock Lake Rimrock Lake is a lake along the course of the Tieton River, in Yakima County, Washington state, US. The lake is used as a storage reservoir for the Yakima Project, an irrigation project run by the United States Bureau of Reclamation. An impoundm ...

, has a total capacity of with a normal operating capacity of to provides water for agricultural irrigation. This dam is a component of the

Yakima Project Yakima ( or ) is a city in and the county seat of Yakima County, Washington, Yakima County, Washington (state), Washington, and the state's List of cities in Washington, 11th-largest city by population. As of the 2020 United States census, 2020 ...

. Tieton Dam also produces electricity for Burbank Water and Power and Glendale Water and Power, near Los Angeles. The Southern California Public Power Agency installed two 7 megawatt generators in a project started in 2010. The power is transmitted over the DC Intertie that runs from Celilo, Oregon to Sylmar, California. Upstream from the dam, the river is impounded by

Clear Creek Dam Clear may refer to: *Transparency and translucency, the physical property of allowing light to pass through Arts and entertainment Music Groups * Clear (Christian band), an American CCM group from Cambridge, Minnesota * Clear (hardcore band), a ...

, another element of the Yakima Project. About downstream from the dam, the Tieton River is tapped for the Tieton Main Canal.

References

External links

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Historic American Engineering Record Heritage Documentation Programs (HDP) is a division of the U.S. National Park Service (NPS) responsible for administering the Historic American Buildings Survey (HABS), Historic American Engineering Record (HAER), and Historic American Landscapes ...

(HAER) documentation, filed under Naches, Yakima County, WA: ** ** ** ** ** Dams in Washington (state) Buildings and structures in Yakima County, Washington United States Bureau of Reclamation dams Dams completed in 1925 Earth-filled dams Historic American Engineering Record in Washington (state) {{US-powerstation-stub