Major Flood
19 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
17 ft
Minor Flood
14 ft
Action Stage
11 ft
What Floods at Each Level
24 ft
Iowa Highway 76 is overtopped just north of the gage site.
22 ft
Iowa Highway 76 south of Dorchester may be threatened by flood waters.
15 ft
Significant agricultural flooding begins.
14 ft
Lowland agricultural areas begin to flood.
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 |
|---|---|---|
| Aug 24, 2016 | 24.3 ft | 38,000 cfs |
| Jun 9, 2008 | 22.46 ft | 31,200 cfs |
| Feb 27, 1948 | 22.2 ft | — |
About This Gauge
USGS Site
NWS LID
DCHI4
River
Upper Iowa River
County
Allamakee, IA
Coordinates
43.4211°N, 91.5088°W
Get Flood Alerts for Upper Iowa 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 Upper Iowa River at Dorchester?
The Upper Iowa River at Dorchester gauge is maintained by USGS (site 05388250) 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 Upper Iowa River at Dorchester?
The NWS-defined flood stage for Upper Iowa River at Dorchester is 14 feet. Action stage begins at 11 feet. Moderate flooding starts at 17 feet, and major flooding at 19 feet.
How do I get alerts when Upper Iowa River rises?
Download StormCast free on Google Play, go to River Gauges, and add Upper Iowa River at Dorchester 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 Upper Iowa River at Dorchester gauge located?
The gauge is located in Allamakee County, Iowa at coordinates 43.4211°N, 91.5088°W. USGS site number: 05388250. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Upper Iowa River
On This River
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Source & Notes
Data provided by: Observations courtesy of U.S. Geological Survey
- Stage may be affected by ice.
- River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.
- River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.