Floyd River at James
Plymouth County, Iowa
The past week
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What floods at each level
- 38 ft
The levees in and around Sioux City downstream of the gage begin to be overtopped. The bridge at the gauge location on CR 70 is overtopped.
- 36 ft
Flooding begins to affect the town of James.
- 35.5 ft
The railroad tracks in Sioux City should be closed.
- 34.5 ft
Approximately 3700 acres of farm land are flooded.
- 34 ft
The northbound lane of Highway 75 is flooded, and the railroad company begins to shut down operations.
- 32 ft
Water approaches the railroad tracks and may overtop them in some locations.
- 31.5 ft
The lowest portions of County Highway C70 begin to flood. Flooding begins to affect the farm levees, and about 3200 acres of farm land are flooded.
- 30 ft
Outbuildings near the gauge location may begin to flood.
- 28.5 ft
Approximately 2100 acres of farm land are flooded.
- 27.5 ft
Approximately 1500 acres of farm land are flooded.
- 26 ft
Flooding begins to affect the low lying agricultural lands.
- 24 ft
The lowest banks are overtopped with minor lowland flooding.
- 18 ft
The Floyd River levee gates in Sioux City begin closing.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Jun 22, 2024 | 32.39 ft | 40,800 cfs |
| Mar 14, 2019 | 31.48 ft | 33,500 cfs |
| Jun 20, 1983 | 28.85 ft | 18,000 cfs |
More on Floyd River
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