| Crab Creek | |
|---|---|
 Lower Crab Creek above confluence with Red Rock Coulee. | |
  Mouth of Crab Creek in Washington | |
| Location | |
| Country | United States |
| State | Washington |
| County | Grant County, Adams County, Lincoln County |
| City | Moses Lake |
| Physical characteristics | |
| Source | Near Gettys Butte |
| • location | Lincoln County |
| • coordinates | 47°42′42″N 117°54′24″W / 47.71167°N 117.90667°W[2][3] |
| • elevation | 2,730 ft (830 m) |
| Mouth | Columbia River |
• location | Grant County |
• coordinates | 46°48′55″N 119°55′19″W / 46.81528°N 119.92194°W[1] |
• elevation | 489 ft (149 m)[4] |
| Length | 163 mi (262 km)[3][1] |
| Basin size | 5,097 sq mi (13,200 km2)[5] |
| Discharge | |
| • average | 201 cu ft/s (5.7 m3/s)[6] |
| • minimum | 10 cu ft/s (0.28 m3/s) |
| • maximum | 936 cu ft/s (26.5 m3/s) |
| Basin features | |
| Tributaries | |
| • left | Rocky Ford Creek |
| • right | Coal Creek, Canniwai Creek, Wilson Creek, Red Rock Coulee |
Crab Creek is a stream in the U.S. state of Washington. Named for the presence of crayfish,[7] it is one of the few perennial streams in the Columbia Basin of central Washington, flowing from the northeastern Columbia River Plateau, roughly 5 km (3.1 mi) east of Reardan, west-southwest to empty into the Columbia River near the small town of Beverly. Its course exhibits many examples of the erosive powers of extremely large glacial Missoula Floods of the late Pleistocene, which scoured the region. In addition, Crab Creek and its region have been transformed by the large-scale irrigation of the Bureau of Reclamation's Columbia Basin Project (CBP), which has raised water table levels, significantly extending the length of Crab Creek and created new lakes and streams.[5]
Crab Creek is 163 miles (262 km) long[3][1] and drains a watershed in eastern Washington of 5,097 square miles (13,200 km2). It is sometimes referred to as the "longest ephemeral stream in North America".[5]
- ^ a b c U.S. Geological Survey Geographic Names Information System: Lower Crab Creek
- ^ Source elevation derived from Google Earth search using GNIS source coordinates.
- ^ a b c U.S. Geological Survey Geographic Names Information System: Crab Creek
- ^ Mouth elevation derived from Google Earth search using GNIS mouth coordinates.
- ^ a b c Crab Subbasin Plan Archived 2007-12-16 at the Wayback Machine, Northwest Power and Conservation Council
- ^ Crab Creek Basin and the Columbia River from Rock Island Dam to Richland, Water Resources Data-Washington Water Year 2005
- ^ Majors, Harry M. (1975). Exploring Washington. Van Winkle Publishing Co. p. 103. ISBN 978-0-918664-00-6.
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