Floyd River
| Floyd River | |
|---|---|
| Confluence of the Missouri and Floyd Rivers in Sioux City | |
| Floyd River watershed (Interactive map) | |
| Location | |
| Country | United States | 
| State | Iowa | 
| District | Woodbury County, Iowa, Plymouth County, Iowa, Sioux County, Iowa, O'Brien County, Iowa | 
| Physical characteristics | |
| Source | |
| • location | O'Brien County, near Silver Ave and 290th St. | 
| • coordinates | 43°14′31″N 95°37′16″W / 43.242°N 95.621°W | 
| Mouth | Missouri River | 
|  • coordinates | 42°28′59″N 96°23′31″W / 42.483°N 96.392°W | 
|  • elevation | 1,079 ft (329 m) | 
| Basin size | 2,400 km2 (930 sq mi) | 
| Discharge | |
| • location | mouth | 
| • average | 340 cu ft/s (9.6 m3/s) (estimate) | 
The Floyd River is a tributary of the Missouri River, 112 miles (180 km) long, in northwestern Iowa in the United States. It enters the Missouri at Sioux City, and is named for Charles Floyd, a member of the Lewis and Clark Expedition.