What is the current flow on South Branch Rock River?

South Branch Rock River was running 25 cubic feet per second as of Aug 1, 2026, 6:00 PM UTC, measured at USGS gauge 05423500. This is a build-time snapshot rather than a live reading — check the USGS gauge directly before relying on it.

South Branch Rock River

Wisconsin. Streamflow and water-temperature readings from USGS gauges. Running 25 cfs as of Aug 1, 2026, 6:00 PM UTC.

Latest Reading

cubic feet / second

USGS gauge

Flow measured Aug 1, 2026, 6:00 PM UTC at gauge 05423500. These are build-time snapshots, not a live feed — check the USGS gauge before relying on them.

USGS Gauges on South Branch Rock River

Gauge	Station	Water temp?
05423500	SOUTH BRANCH ROCK RIVER AT WAUPUN, WI	—

Fly fishing rivers →Wisconsin trout water →Wisconsin lakes →

Conditions: USGS NWIS (public domain).