O'Sullivan Dam
Encyclopedia
DAMS
Driot-Arnoux Motorsport is a racing team from France, involved in many areas of motorsports. DAMS was founded in 1988 by Jean-Paul Driot and former Formula One driver René Arnoux. It is headquartered near Le Mans, only 2 km from the Bugatti Circuit.- History :The year after its foundation,...
in the United States (200 ft/61 m high; 19,000 ft/5,791 m long; completed 1949), is on Crab Creek
Crab Creek
Crab Creek is a stream in the U.S. state of Washington. Named for the presence of crayfish, it is one of the few perennial streams in the Columbia Basin of central Washington, flowing from the northeastern Columbia River Plateau, roughly east of Reardan, west-southwest to empty into the Columbia...
in the U.S. state
U.S. state
A U.S. state is any one of the 50 federated states of the United States of America that share sovereignty with the federal government. Because of this shared sovereignty, an American is a citizen both of the federal entity and of his or her state of domicile. Four states use the official title of...
of Washington, about 45 km south of Ephrata
Ephrata, Washington
Ephrata is a city in Grant County, Washington, United States. The population was 6,808 at the 2000 census. It is the county seat of Grant County.-History:...
and 25 km south of Moses Lake
Moses Lake
Moses Lake is a lake and reservoir along the course of Crab Creek, in Washington state, USA.Moses Lake is part of the Columbia River basin, as Crab Creek is a tributary of the Columbia River....
. The 27800 acres (113 km²) Potholes Reservoir
PotHoles Reservoir
The Potholes Reservoir is part of the Columbia Basin Irrigation Project. It is formed by the O'Sullivan Dam and located in central Washington, in the United States. The reservoir is fed by water from Moses Lake, part of the Crab Creek basin....
formed by this dam collects return flows from all irrigation
Irrigation
Irrigation may be defined as the science of artificial application of water to the land or soil. It is used to assist in the growing of agricultural crops, maintenance of landscapes, and revegetation of disturbed soils in dry areas and during periods of inadequate rainfall...
in the upper portion of the project for reuse in the southern portion. A system of wasteways has been built on both the West and East Low Canals to provide operational safety for the canal
Canal
Canals are man-made channels for water. There are two types of canal:#Waterways: navigable transportation canals used for carrying ships and boats shipping goods and conveying people, further subdivided into two kinds:...
s and a means of delivering water into Potholes Reservoir to supplement the natural and return flows.http://www.usbr.gov/dataweb/html/columbia.html
The dam was built as part of the Columbia Basin Project
Columbia Basin Project
The Columbia Basin Project in Central Washington, USA, is the irrigation network that the Grand Coulee Dam makes possible. It is the largest water reclamation project in the United States, supplying irrigation water to over of the large project area, all of which was originally intended to be...
.
Statistics
- Active storage capacity: 332200 acre.ft
- Structural height of dam: 200.0 ft (60 m)
- Construction date: 1947-1949
- Normal water surface elevation: 1052.0 ft (320.6 m)
- Drainage area: 3,920.0 sq mi (10,153 km²)
- Storm duration: 72 hr