BEAVER CREEK (DES MOINES RIVER)

'Beaver Creek' is a tributary of the Des Moines River that rises at the northern border of Boone County, Iowa, and then flows generally south and southeast through western Boone County, northeast Dallas County, and finally northwest 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 73 stream miles in length and the watershed drains approximately 380 square miles.
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.