What is the current flow on Bois Brule River?

Bois Brule River was running 108 cubic feet per second as of Aug 1, 2026, 6:00 PM UTC, measured at USGS gauge 04025500. This is a build-time snapshot rather than a live reading — check the USGS gauge directly before relying on it.

Does Bois Brule River hold wild trout?

Yes. The state classifies Bois Brule River as Class I (wild, self-sustaining) across 43.92 miles of stream. That classification means natural reproduction, not stocking. Source: Wisconsin DNR Classified Trout Streams.

Bois Brule River

Wisconsin. Classified Class I (wild, self-sustaining) by the state across 43.92 miles. Running 108 cfs as of Aug 1, 2026, 6:00 PM UTC.

Latest Reading

108

cubic feet / second

USGS gauge

Flow measured Aug 1, 2026, 6:00 PM UTC at gauge 04025500. These are build-time snapshots, not a live feed — check the USGS gauge before relying on them.

State Trout Classification

Classification	Class I (wild, self-sustaining)
Classified length	43.92 miles

Source: Wisconsin DNR Classified Trout Streams.

USGS Gauges on Bois Brule River

Gauge	Station	Water temp?
04025500	BOIS BRULE RIVER AT BRULE, WI	—

Fly fishing rivers →Wisconsin trout water →Wisconsin lakes →

Conditions: USGS NWIS (public domain). Classification: Wisconsin DNR Classified Trout Streams.