Major Flood
18 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
16 ft
Minor Flood
12 ft
Action Stage
10 ft
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.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | 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 |
About This Gauge
USGS Site
NWS LID
SHRI4
River
Shell Rock River
County
Butler, IA
Coordinates
42.7119°N, 92.5830°W
Get Flood Alerts for Shell Rock River
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Shell Rock River at Shell Rock?
The Shell Rock River at Shell Rock gauge is maintained by USGS (site 05462000) and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Shell Rock River at Shell Rock?
The NWS-defined flood stage for Shell Rock River at Shell Rock is 12 feet. Action stage begins at 10 feet. Moderate flooding starts at 16 feet, and major flooding at 18 feet.
How do I get alerts when Shell Rock River rises?
Download StormCast free on Google Play, go to River Gauges, and add Shell Rock River at Shell Rock to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.
Where is the Shell Rock River at Shell Rock gauge located?
The gauge is located in Butler County, Iowa at coordinates 42.7119°N, 92.5830°W. USGS site number: 05462000. Data is provided by the U.S. Geological Survey and the National Weather Service.
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Source & Notes
Data provided by: Observations courtesy of U.S. Geological Survey