Major Flood
651 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: TREW3). 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
649 ft
Minor Flood
647 ft
Action Stage
644 ft
What Floods at Each Level
654.5 ft
Water begins to flow over the lock walls and the protective earthen dikes.
653.02 ft
Water levels reach the flood of record.
651.5 ft
Lock and dam 6 is closed to navigation.
648 ft
Approximately when Lake Road is closed to all traffic.
647 ft
Water is across Lake Road at Pickeral Path - the road is closed to local traffic only.
646.5 ft
Water reaches the edge of the blacktop on Lake Road near Pickeral Path.
646 ft
Peninsula Drive by the boat landing is covered by water.
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 20, 1965 | 653.02 ft | 273,000 cfs |
| Apr 17, 2001 | 651.43 ft | — |
| Apr 10, 1997 | 651.4 ft | — |
About This Gauge
NWS LID
TREW3
River
Mississippi River
County
Trempealeau, WI
Coordinates
43.9986°N, 91.4357°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 6 - Trempealeau?
The Mississippi River below Lock and Dam 6 - Trempealeau 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 6 - Trempealeau?
The NWS-defined flood stage for Mississippi River below Lock and Dam 6 - Trempealeau is 647 feet. Action stage begins at 644 feet. Moderate flooding starts at 649 feet, and major flooding at 651 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 6 - Trempealeau 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 6 - Trempealeau gauge located?
The gauge is located in Trempealeau County, Wisconsin at coordinates 43.9986°N, 91.4357°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.