Levees / By county / Woodbury County, IA

Levee systems in Woodbury County, IA

11 systems on the federal register here, with 10,225 people recorded behind them.

SystemLocationAccreditationPeopleLength
Sioux City - Big Sioux River LBSioux City, Woodbury County, IowaAccredited2,9731.37 miles
Sioux City - Floyd River LBSioux City, Woodbury County, IowaAccredited2,4793.84 miles
Sioux City - Floyd River RBSioux City, Woodbury County, IowaAccredited2,3835.32 miles
Sioux City - Perry Creek Right BankSioux City, Woodbury County, IowaAccredited1,5531.01 miles
Little Sioux West Fork Ditch RB & Monona-Harrison Ditch RB - IntercountyWhiting, Monona County, IowaSee FIRM Panel for more information35110.6 miles
Little Sioux West Fork Ditch RB - IntercountyHornick, Woodbury County, IowaSee FIRM Panel for more information3503.62 miles
Sioux City - Perry Creek Left BankSioux City, Woodbury County, IowaAccredited720.25 miles
Little Sioux & Wolf CreekRodney, Monona County, IowaSee FIRM Panel for more information3722.4 miles
Little Sioux Wolf Cr RB & W Fork LB - IntercountyHornick, Monona County, IowaSee FIRM Panel for more information2216.2 miles
Little Sioux LB - Nagel DD NorthRodney, Monona County, IowaNon-Accredited55.78 miles
Little Sioux LB - Bennet-SmithlandSmithland, Woodbury County, IowaNon-Accredited02.28 miles

Source: USACE National Levee Database, refreshed 2026-09-10.