What is the current flow on Ottawa River?

Ottawa River was running 49 cubic feet per second as of Aug 1, 2026, 6:00 PM UTC, measured at USGS gauge 04188100. This is a build-time snapshot rather than a live reading — check the USGS gauge directly before relying on it.

Ottawa River

Ohio. Streamflow and water-temperature readings from USGS gauges. Running 49 cfs as of Aug 1, 2026, 6:00 PM UTC.

Latest Reading

cubic feet / second

USGS gauges

Flow measured Aug 1, 2026, 6:00 PM UTC at gauge 04188100. These are build-time snapshots, not a live feed — check the USGS gauge before relying on them.

USGS Gauges on Ottawa River

Gauge	Station	Water temp?
04177000	Ottawa River at University of Toledo, Toledo OH	—
04187100	Ottawa River at Lima OH	—
04188100	Ottawa River near Kalida OH	—

Fly fishing rivers →Ohio lakes →

Conditions: USGS NWIS (public domain).