Beaver Creek (Polk County, Iowa)
|- location||Johnston, Polk County, Iowa, US|
Beaver Creek is a tributary of the Des Moines River that rises at the northern border of Boone County in the U.S. state of Iowa, and then flows generally south and southeast through western Boone County, northeastern Dallas County, and finally northwestern Polk County before flowing into the Des Moines River approximately a mile south of the Saylorville Reservoir in Polk County. In total, the main channel is approximately 77 miles (124 km) in length, and the watershed drains approximately 380 square miles (980 km2).
Significant tributaries to Beaver Creek include Middle Beaver Creek, East Beaver Creek, West Beaver Creek, Slough Creek, Beaver Branch, Jim Creek and two Little Beaver creeks. There are also numerous smaller unnamed tributaries.
- U.S. Geological Survey Geographic Names Information System: Beaver Creek (Polk County, Iowa)
- U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map Archived 2012-04-05 at WebCite, accessed May 26, 2011
- The History of Polk County, Iowa: Containing a History of the County, Its Cities, Towns, &c. Union Historical Company. 1880. p. 262.
- Chicago and North Western Railway Company (1908). A History of the Origin of the Place Names Connected with the Chicago & North Western and Chicago, St. Paul, Minneapolis & Omaha Railways. p. 42.
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