Sugar River at Brodhead
Wisconsin — Water Level & Flood Stage
Located in Green County, Wisconsin on the Sugar River. Live water level data from USGS gauge 05436500, 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 ft
3,640 cfs
Minor Flood
5 ft
1,850 cfs
Action Stage
4.5 ft
1,630 cfs
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
13 ft
In Illinois, residences at the west end of Haas Rd northwest of Shirland and structures at Sugar Shores Camping Resort may be threatened. Hwy T, Beloit Newark Rd, S Hopkins Rd and Sugar River Park are flooded. Widespread inundation of the floodplain may reach over 1 mile from the river between Durand and Shirland.
12 ft
Hwy T, Beloit Newark Rd, S Hopkins Rd, and Sugar River Park are flooded. In Illinois, Yale Bridge Rd may be threatened west of the river northwest of Shirland. In Illinois, Winslow Rd is threatened near the river between Durand and Shirland.
9 ft
There is widespread flooding of lowland in the Brodhead area. In the Avon Bottoms area of Rock County, there is flooding in Sugar River Park and Beloit Newark Rd. Floodwaters are over Highway T in Rock County. In Illinois, Winslow Rd is threatened near the river between Durand and Shirland. Low lying areas of Sugar Shores Camping Resort may be inundated.
8.8 ft
There is widespread agricultural land flooding in the Brodhead area. Downstream in the Avon Bottoms area of Rock County, there is flooding in Sugar River Park, Beloit Newark Rd, S Nelson Rd, and S Hopkins Rd. Floodwaters are over Highway T in Rock County. Structures at Sugar Shores Camping Resort may be threatened. Winslow Rd is threatened near the river between Durand and Shirland.
8 ft
Floodwaters are over Highway T, Beloit Newark Rd, S Nelson Rd, S Hopkins Rd, and there is flooding in Sugar River Park in the Avon Bottoms area of Rock County. There is widespread agricultural and lowland flooding in the Brodhead area. In Illinois, structures at Sugar Shores Camping Resort may be threatened. Winslow Rd is threatened near the river between Durand and Shirland.
7.5 ft
There is widespread agricultural and lowland flooding in the Brodhead area. Downstream in the Avon Bottoms area of Rock County, there is flooding in Sugar River Park, Beloit Newark Rd and S Hopkins Rd. Water flows over the road on both sides of the S Nelson Rd bridge. In Illinois, Winslow Rd is threatened near the river between Durand and Shirland. Low lying areas of Sugar Shores Camping Resort may be inundated.
7 ft
Some roads are flooded about 6 miles downstream in Avon Township of Rock County, including Beloit Newark Rd. Water over the road on both sides of the S Nelson Rd bridge. In Illinois, Winslow Rd is threatened near the river between Durand and Shirland. Low lying areas of Sugar Shores Camping Resort may be inundated.
6.5 ft
There is widespread flooding of lowland and agricultural land. Downstream in the Avon Bottoms area of Rock County, there is flooding in Sugar River Park. Some roads are flooded in Avon Township, including Beloit Newark Rd, about 6 miles downstream of Brodhead. Water over the road on both sides of the S Nelson Rd bridge. In Illinois, Winslow Rd is threatened near the river between Durand and Shirland. Low lying areas of Sugar Shores Camping Resort may be inundated.
6 ft
Some roads are flooded about 6 miles downstream in Avon Township of Rock County, including Beloit Newark Rd. In the Avon Bottoms area of Rock County, flooding is occurring in Sugar River Park. Water over the road on both sides of the S Nelson Rd bridge. In Illinois, Winslow Rd is threatened near the river between Durand and Shirland. Low lying areas of Sugar Shores Camping Resort may be inundated.
5.5 ft
Some roads are flooded about 6 miles downstream in Avon Township in Rock County. In the Avon Bottoms area of Rock County, flooding is occurring in Sugar River Park.
5 ft
Some roads become flooded about 6 miles downstream in Avon Township in Rock County. In the Avon Bottoms area of Rock County, some minor flooding develops in Sugar River Park, including the boat ramp.
4.5 ft
In Illinois, low-lying areas in the Sugar River Forest Preserve and Colored Sands Forest Preserve may be inundated.
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 |
|---|---|---|
| Sep 12, 1915 | 11.4 ft | 14,800 cfs |
| Sep 12, 1915 | 11.4 ft | 14,800 cfs |
| Mar 14, 2019 | 10.2 ft | 9,340 cfs |
| Mar 14, 2019 | 10.2 ft | 9,340 cfs |
| Mar 4, 1937 | 10.07 ft | 8,780 cfs |
About This Gauge
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Frequently Asked Questions
What is the current water level of Sugar River at Brodhead?
The Sugar River at Brodhead gauge is maintained by USGS (site 05436500) 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 Sugar River at Brodhead?
The NWS-defined flood stage for Sugar River at Brodhead is 5 feet. Action stage begins at 4.5 feet. Moderate flooding starts at 8 feet, and major flooding at 10 feet.
How do I get alerts when Sugar River rises?
Download StormCast free on Google Play, go to River Gauges, and add Sugar River at Brodhead 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 Sugar River at Brodhead gauge located?
The gauge is located in Green County, Wisconsin at coordinates 42.6122°N, 89.3981°W. USGS site number: 05436500. 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. Geological Survey
- 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.