Ocheyedan River

Maximum discharge along the river is currently at the reporting a streamflow rate of cfs. This is also the highest stage along the Ocheyedan River, with a gauge stage of ft at this location. This river is monitored from 1 different streamgauging stations along the Ocheyedan River, the highest being situated at an altitude of ft, the .

It flows through four counties in northwestern Iowa before joining the Little Sioux River near Spencer. The river was named after the Ocheyedan Village, which was an important Native American settlement in the region. The river is fed by multiple tributaries and is influenced by both agricultural runoff and natural groundwater flow. There are three major reservoirs along the river, including the Silver Lake Reservoir, the Scharnberg Pond, and the Five Island Lake. These reservoirs serve as flood control structures and provide recreational opportunities like boating, fishing, and swimming. Agricultural practices, such as irrigation and livestock farming, also rely on the river as a water source.