Major Flood
11 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
10 ft
Minor Flood
8 ft
Action Stage
5.5 ft
What Floods at Each Level
10 ft
Parts of Oak Creek Parkway flooded, including near the railroad overpass, along with walking paths. Yards along the creek are flooded.
9 ft
Parts of Oak Creek Parkway flooded, including near the railroad overpass / High School, along with walking paths. Yards along the creek are flooded.
8 ft
Walking paths along Oak Creek Parkway flood.
7 ft
There is flooding to lowland and wooded land in the South Milwaukee area.
6 ft
There is minor flooding to lowland and wooded land in the South Milwaukee area.
5.5 ft
There is minor flooding to lowland and wooded land in the South Milwaukee area.
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 |
|---|---|---|
| Jun 6, 2008 | 11.56 ft | 2,370 cfs |
| Jul 21, 2010 | 11.25 ft | 2,550 cfs |
| Aug 10, 2025 | 10.52 ft | 1,935 cfs |
About This Gauge
Get Flood Alerts for Oak Creek
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 Oak Creek at South Milwaukee?
The Oak Creek at South Milwaukee gauge is maintained by USGS (site 04087204) 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 Oak Creek at South Milwaukee?
The NWS-defined flood stage for Oak Creek at South Milwaukee is 8 feet. Action stage begins at 5.5 feet. Moderate flooding starts at 10 feet, and major flooding at 11 feet.
How do I get alerts when Oak Creek rises?
Download StormCast free on Google Play, go to River Gauges, and add Oak Creek at South Milwaukee 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 Oak Creek at South Milwaukee gauge located?
The gauge is located in Milwaukee County, Wisconsin at coordinates 42.9250°N, 87.8700°W. USGS site number: 04087204. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Resources
Source & Notes
Data provided by: Observations courtesy of U.S. Geological Survey