RIVER GAUGE · SHELL ROCK RIVER
Shell Rock River at Shell Rock
Butler County, Iowa
Water level8.17 ft
Flow763 cfs
Last readingSep 16, 2026, 4:45 PM UTC (last recorded)
Action10 ft
Minor flood12 ft
Moderate flood16 ft
Major flood18 ft
The past week
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What floods at each level
- 21 ft
Water affects the approach to the Cherry St bridge.
- 20 ft
Water affects many residences.
- 18 ft
Water nears the top of an arch beneath the Cherry St bridge and affects multiple roads.
- 16 ft
Some residential evacuations may occur.
- 14 ft
Flooding occurs in Shell Rock primarily in residential yards.
- 13.5 ft
E Washington St is closed.
- 13 ft
Part of S Lake St is closed.
- 12.5 ft
Seepage occurs in several basements close to the river.
- 12 ft
Water affects S Prairie St.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Sep 22, 2016 | 21.4 ft | 45,000 cfs |
| Jun 9, 2008 | 20.36 ft | 60,400 cfs |
| Dec 31, 1855 | 17.7 ft | 45,000 cfs |
More on Shell Rock River
DownstreamCedar River at Cedar Falls
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