Menomonee River at Menomonee Falls
Wisconsin — Water Level & Flood Stage
Located in Waukesha County, Wisconsin on the Menomonee River. Live water level data from USGS gauge 04087030, updated every 15 minutes.
Current Water Level
Gage Height
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Streamflow
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Last Reading
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Flood Stages
Major Flood
10 ft
Moderate Flood
8.5 ft
1,600 cfs
Minor Flood
7.5 ft
1,120 cfs
Action Stage
6.5 ft
590 cfs
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
8.5 ft
Water flows across the intersection of Grand Ave and Roman Dr and covers Grand Ave to almost Forest Dr. Water surrounds homes on Grand Ave. Water surrounds businesses on northside of Roman Dr.
8 ft
Grand Ave near Roman Dr flooded. Back parking lots of businesses on northside of Roman Dr flooded. Paths along Menomonee River Parkway flooded.
7.5 ft
Paths along the Menomonee River Parkway flooded.
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 10, 2025 | 8.52 ft | 1,260 cfs |
| Aug 10, 2025 | 8.52 ft | 1,260 cfs |
| Jun 20, 1997 | 8.31 ft | 1,500 cfs |
| Jun 20, 1997 | 8.31 ft | 1,500 cfs |
| Jul 21, 2010 | 8.12 ft | 1,450 cfs |
About This Gauge
USGS Site
NWS LID
MFSW3
River
Menomonee River
County
Waukesha, WI
Coordinates
43.1728°N, 88.1039°W
Get Flood Alerts for Menomonee 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 Menomonee River at Menomonee Falls?
The Menomonee River at Menomonee Falls gauge is maintained by USGS (site 04087030) 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 Menomonee River at Menomonee Falls?
The NWS-defined flood stage for Menomonee River at Menomonee Falls is 7.5 feet. Action stage begins at 6.5 feet. Moderate flooding starts at 8.5 feet, and major flooding at 10 feet.
How do I get alerts when Menomonee River rises?
Download StormCast free on Google Play, go to River Gauges, and add Menomonee River at Menomonee Falls to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category — even when your screen is off.
Where is the Menomonee River at Menomonee Falls gauge located?
The gauge is located in Waukesha County, Wisconsin at coordinates 43.1728°N, 88.1039°W. USGS site number: 04087030. Data is provided by the U.S. Geological Survey and the National Weather Service.
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Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey