River gauges›Wisconsin
RIVER GAUGE · SOUTH BRANCH ROCK RIVER

South Branch Rock River at Waupun

Fond du Lac County, Wisconsin

Water level2.07 ft
Flow9 cfs
Last readingSep 16, 2026, 5:00 PM UTC (last recorded)
Action4 ft250 cfs
Minor flood6 ft523 cfs
Moderate flood8 ft1,180 cfs
Major flood10 ft2,300 cfs

The past week

Loading chart…

What floods at each level

Highest crests on record

DateLevelFlow
Jun 12, 200810.09 ft2,350 cfs
Mar 15, 20198.66 ft1,520 cfs
Jun 9, 20088.27 ft—

More on South Branch Rock River

Get an alert when South Branch Rock River rises

Save this gauge in the free StormCast app and pick the level that matters to you. Your phone goes off when the water gets there.

A river gauge in the StormCast app

← All Wisconsin gauges · Search another river