What is the current flow on Thornapple River?

Thornapple River was running 101 cubic feet per second as of Aug 1, 2026, 6:15 PM UTC, measured at USGS gauge 04117500. This is a build-time snapshot rather than a live reading — check the USGS gauge directly before relying on it.

Thornapple River

Michigan. Streamflow and water-temperature readings from USGS gauges. Running 101 cfs as of Aug 1, 2026, 6:15 PM UTC.

Latest Reading

101

cubic feet / second

USGS gauges

Flow measured Aug 1, 2026, 6:15 PM UTC at gauge 04117500. These are build-time snapshots, not a live feed — check the USGS gauge before relying on them.

USGS Gauges on Thornapple River

Gauge	Station	Water temp?
04117500	THORNAPPLE RIVER NEAR HASTINGS, MI	—
04118000	THORNAPPLE RIVER NEAR CALEDONIA, MI	—

Fly fishing rivers →Michigan lakes →

Conditions: USGS NWIS (public domain).