Major Flood
636 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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This is an NWS forecast point (LID: GENW3). Live data may be limited. View on NWS AHPS →
FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
634 ft
Minor Flood
631 ft
Action Stage
625.2 ft
What Floods at Each Level
639.5 ft
Water begins to go over the protective earthen dikes.
639 ft
Water begins to flow over the lock walls at Dam 8.
638.4 ft
Water levels reach the flood of record.
636 ft
Lock and dam 8 is closed to navigation.
631.5 ft
Blackhawk Park south of Genoa is flooded.
625.2 ft
Army Road likely closes near Albin, Iowa impacting the public access.
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 |
|---|---|---|
| Apr 21, 1965 | 638.4 ft | — |
| Apr 11, 1997 | 636.45 ft | — |
| Apr 17, 2001 | 636.21 ft | — |
About This Gauge
NWS LID
GENW3
River
Mississippi River
County
Vernon, WI
Coordinates
43.5688°N, 91.2304°W
Get Flood Alerts for Mississippi 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 Mississippi River below Lock and Dam 8 - Genoa?
The Mississippi River below Lock and Dam 8 - Genoa gauge is maintained by USGS 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 Mississippi River below Lock and Dam 8 - Genoa?
The NWS-defined flood stage for Mississippi River below Lock and Dam 8 - Genoa is 631 feet. Action stage begins at 625.2 feet. Moderate flooding starts at 634 feet, and major flooding at 636 feet.
How do I get alerts when Mississippi River rises?
Download StormCast free on Google Play, go to River Gauges, and add Mississippi River below Lock and Dam 8 - Genoa 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 Mississippi River below Lock and Dam 8 - Genoa gauge located?
The gauge is located in Vernon County, Wisconsin at coordinates 43.5688°N, 91.2304°W. 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. Army Corps of Engineers
- 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.