Rivers in Wisconsin

South Branch Rock River at Waupun

Fond du Lac County, WisconsinNWS WPNW3USGS 05423500Dousman office

Below flood stage
2.52ftStage

Observed Wed, Sep 23, 11:00 AM CDT

Flood stage
6.00 ft
Record crest
10.09 ft2008

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood10.00 ft
Moderate flood8.00 ft
Minor flood6.00 ft
Action4.00 ft
  1. 11.00 ftWater covers the support beams underneath the Fond du Lac St bridge and is closed. Gateway Dr. and County Park Rd. at the bridge are closed. Waters hits bridge deck of County Park Rd. Yards and basements, including walk-out basements, of some homes on Harmsen Ave. are flooded. Shaler Park and Pine St park closed.
  2. 10.50 ftWater covers the support beams underneath the Fond du Lac St bridge and is closed. Gateway Dr. and County Park Rd. at the bridge are closed. Yards and basements, including walk-out basements, of some homes on Harmsen Ave. are flooded. Floodwaters affect roadways adjacent to the river, a park and a picnic area.
  3. 9.80 ftWater covers the support beams underneath the Fond du Lac St bridge and is closed. Gateway Dr. and County Park Rd. at the bridge are closed. Yards and basements, including walk-out basements of some homes on Harmsen Ave. are flooded. Floodwaters affect a park, a picnic area and roadways adjacent to the river.
  4. 9.30 ftWater covers the support beams underneath the Fond du Lac St bridge and is closed. Gateway Dr. and County Park Rd. at the bridge are closed. Yards and basements of some homes on Harmsen Ave. are flooded.
  5. 8.60 ftWater touches the support beams underneath the Fond du Lac St bridge and is closed. Gateway Dr. and County Park Rd. at the bridge are closed.
  6. 7.50 ftWater reaches the support beams underneath the Fond du Lac St bridge and is closed. Gateway Dr. and County Park Rd. at the bridge are closed. Floodwaters affect a park and roadways adjacent to the river. Water starts to over top the dam at Shaler Park.
  7. 7.30 ftWater reaches the support beams underneath the Fond du Lac St bridge and is closed. Gateway Dr. and County Park Rd. at the bridge are closed. Floodwaters affect a park, a picnic area and roadways in the Waupun area.
  8. 7.00 ftFloodwaters affect a park, a picnic area, and some roadways adjacent to the river. Gateway Dr. is flooded. County Park Rd (Hwy MMM) is closed at the bridge as the river flows around the north end of bridge. Shaler Park and Pine St Park closed.
  9. 6.00 ftFloodwaters affect a picnic area and park near the river. Gateway Dr. is flooded and closed.
  10. 5.00 ftGateway Dr. is flooded and closed.
  11. 4.50 ftWater begins to affect a low spot on Gateway Dr.
  12. 4.00 ftThere is minor lowland flooding

Crest history

52 crests on NOAA’s list since 1950.

#DateStage
1June 13, 200810.09 ft
2March 15, 20198.66 ft
3June 9, 20088.27 ft
4June 23, 20248.24 ft
5June 11, 20048.20 ft
6April 3, 19597.97 ft
7October 2, 20197.92 ft
8October 2, 20197.92 ft
9February 10, 19667.85 ft
10July 6, 19937.53 ft
11March 30, 19607.50 ft
12March 28, 19627.46 ft
13August 29, 20187.43 ft
14May 4, 20187.30 ft
15July 21, 19997.18 ft
16May 24, 20047.17 ft
17March 21, 19526.96 ft
18July 6, 20246.85 ft
19May 31, 20046.74 ft
20April 2, 19566.65 ft
21July 23, 20106.60 ft
22March 27, 19506.56 ft
23June 19, 19966.49 ft
24August 8, 20216.28 ft
25April 16, 20266.03 ft

Most recent crests

  • April 16, 2026: 6.03 ft
  • July 6, 2024: 6.85 ft
  • June 23, 2024: 8.24 ft
  • August 8, 2021: 6.28 ft
  • October 2, 2019: 7.92 ft
  • October 2, 2019: 7.92 ft
  • March 15, 2019: 8.66 ft
  • August 29, 2018: 7.43 ft
  • May 4, 2018: 7.30 ft
  • October 27, 2016: 3.72 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the North Central River Forecast Center. Forecasts are not available. Only observed stages are available for this point.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.