| Cle Elum Lake | |
|---|---|
 Cle Elum Lake | |
  Cle Elum Lake  Cle Elum Lake | |
| Location | Kittitas County, Washington |
| Coordinates | 47°16′55″N121°06′27″W / 47.2820°N 121.1075°W /47.2820; -121.1075 |
| Type | natural lake,reservoir |
| Primary inflows | Cle Elum River |
| Primary outflows | Cle Elum River |
| Catchment area | 260 mi2 (670 km2) |
| Basin countries | United States |
| Max. length | 7.4 mi (11.9 km) |
| Max. width | 1 mi (1.6 km) |
| Water volume | 436,900 acre-feet (538,900,000 m3) |
| Surface elevation | 2,223 ft (678 m) |
Cle Elum Lake is alake andreservoir along the course of theCle Elum River, inWashington state,US. At the site of the future city ofCle Elum, Washington, aNorthern Pacific Railway station was named Clealum after theKittitas name Tle-el-Lum (tlielləm), meaning "swift water", referring to theCle Elum River. The lake was also labeled asKleattam Lake in maps of the 1850s.[1]
Cle Elum Lake is the easternmost lake of three large lakes (two are north and one is south ofInterstate 90) in theCascade Range. The middle one,Kachess Lake is also north of I-90 while the westernmost,Keechelus Lake is south of I-90.
Cle Elum Lake is part of theColumbia River basin, as the Cle Elum River is a tributary of the Yakima River, which is a tributary to the Columbia River.
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The lake is used as a storagereservoir for the Yakima Project, an irrigation project run by theUnited States Bureau of Reclamation. Although a natural lake, Cle Elum Lake's capacity and discharge is controlled byCle Elum Dam, a 165-foot (50 m) high earthfill structure built in 1933. As a storage reservoir, Cle Elum Lake's active capacity is 436,900 acre feet (539,000,000 m³).[2]
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