RIVER GAUGE · LITTLE SIOUX RIVER
Little Sioux River near Milford
Dickinson County, Iowa
Water level6.24 ft
Flow52 cfs
Last readingSep 16, 2026, 5:00 PM UTC (last recorded)
Action11 ft
Minor flood13 ft
Moderate flood16 ft
Major flood20 ft
The past week
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What floods at each level
- 22.5 ft
The bridge on 190th is overtopped and water reaches the bottom of the bridge on 170th Ave.
- 20.5 ft
Water reaches the bottom of the bridge on 190th St.
- 17.5 ft
The floodplain can be as wide as 0.25 mile wide in places.
- 16.5 ft
The lowest portion of 180th St is flooded and water approaches the lowest portion of 190th Ave between 260th and 270th Streets in far southern Dickinson county.
- 13 ft
Flooding of agricultural and pasture land begins.
- 12 ft
The lowest banks overflow with some flooding of low lying areas.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Jun 21, 2024 | 20.4 ft | — |
| Jun 24, 2018 | 20.1 ft | — |
| Mar 17, 2019 | 18.02 ft | — |
More on Little Sioux River
DownstreamLittle Sioux River above Spencer
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