Potholes Reservoir

Infobox lake
lake_name = Potholes Reservoir
image_lake =
caption_lake =
image_bathymetry =
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location = Central Washington
coords = Coord|46|58|57|N|119|17|28|W|region:US-WA_type:waterbody_source:GNIS|display=inline,title|name=Potholes Reservoir (Grant County, Washington)Cite gnis|1513187|Potholes Reservoir (Grant County, Washington)]
type = reservoir
inflow =
outflow =
catchment =
basin_countries = USA
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shore =
elevation = Convert|1043|ft|m
islands =
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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.

The area features several lakes (typically 30-70 yards wide and 10-30 feet deep). These lakes, known as "potholes" were created through both natural and man made processes. The potholes were initially carved out during the Pleistocene by flood waters originating from Glacial Lake Missoula. cite book | first = David | last = Alt | coauthors= Hundman, Donald W. | title = Northwest Exposures: A Geologic History of the Northwest | publisher = Mountain Press | date = 1995 | id = ISBN 0-87842-323-0] Subsequent damming of the area by the Columbia Basin Project raised the water table high enough to allow these topographical depressions to become lakes.

Also known as:
*Moses Lake
*O'Sullivan Reservoir
*The Potholes Reservoir


On the shore of the reservoir is Potholes State Park, a convert|640|acre|km2|adj=on member of the Washington State Park System. It has convert|6000|ft|m of shoreline on the reservoir. [cite web|url=http://www.parks.wa.gov/parkpage.asp?selectedpark=Potholes|title=Potholes State Park|publisher=Washington State Parks|accessdate=2007-11-24]

Cited references

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