Maximum discharge along the river is currently at the reporting a streamflow rate of cfs. This is also the highest stage along the Nishnabotna River, with a gauge stage of ft at this location. This river is monitored from 1 different streamgauging stations along the Nishnabotna River, the highest being situated at an altitude of ft, the .
The Nishnabotna River is a tributary of the Missouri River in southwestern Iowa, northwestern Missouri and southeastern Nebraska in the United States. It flows for most of its length as two parallel streams in Iowa, the East Nishnabotna River and the West Nishnabotna River. The east and west branches are each about 120 miles (190 km) long; from their confluence the Nishnabotna flows approximately another 16 miles (26 km).Several sections of the rivers' courses have been straightened and heavily channelized.
The name "Nishnabotna" comes from an Otoe (Chiwere) word meaning "canoe-making river."