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Tieton Dam is an earth and concrete type dam on the Tieton River in Yakima County, in the U.S. state of Washington. The dam began operation in 1925. Its reservoir, Rimrock Lake, has a total capacity of 203,600 acre-feet (0.2511 km3) with a normal operating capacity of 198,000 acre-feet (0.244 km3) to provides water for agricultural irrigation.[1] This dam is a component of the Yakima Project.[2] 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.[3][2] Upstream from the dam, the river is impounded by Clear Creek Dam, another element of the Yakima Project. About 8 miles (13 km) downstream from the dam, the Tieton River is tapped for the Tieton Main Canal.

Tieton Dam
Tieton Dam and Rimrock Lake from Lava Point
LocationYakima County, Washington, USA
Coordinates46°39′23″N 121°7′46″W
Opening date1925[1]
Operator(s)United States Bureau of Reclamation[1]
Dam and spillways
ImpoundsTieton River
Height319 feet (97 m)[1]
Length920 feet (280 m)[1]
Dam volume2,049,000 cu ft (58,000 m3)
Reservoir
CreatesRimrock Lake
Total capacity203,600 acre-feet (0.251 km3)[1]
Active capacity198,000 acre-feet (0.244 km3)[1]
Catchment area184 square miles (477 km2)[1]
Surface area2,674 acres (10.8 km2)[1]

References


  1. "Tieton Dam". NPDP Dam Directory. Archived from the original on 2011-07-16.
  2. US Bureau of Reclamation. "Project details - Yakima Project". Retrieved 2015-08-18.
  3. ""Tieton Hydroelectric"" (PDF).


Media related to Tieton Dam at Wikimedia Commons


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[de] Tieton Dam

Der Tieton Dam ist ein aus Erde und Beton gebauter Staudamm am Tieton River im Yakima County im US-Bundesstaat Washington. Der Damm wurde 1925 in Betrieb genommen. Der von ihm aufgestaute See, der Rimrock Lake, hat einen Speicherraum von 244 Mio. Kubikmetern bei einem Gesamtstauraum von 251 Mio. Kubikmetern. Er stellt Wasser für die Bewässerung in der Landwirtschaft zur Verfügung.[1] Der Tieton Dam ist Teil des Yakima Project.[2] Flussaufwärts wird der Tieton River vom Clear Creek Dam gestaut, einem weiteren Element des Yakima Project. Etwa 8 mi (13 km) flussabwärts vom Damm wird der Fluss in den Tieton Main Canal geleitet.
- [en] Tieton Dam



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