What is the current flow on Grass River?

Grass River was running 596 cubic feet per second as of Aug 1, 2026, 6:00 PM UTC, measured at USGS gauge 04265432. This is a build-time snapshot rather than a live reading — check the USGS gauge directly before relying on it.

Grass River

New York. Streamflow and water-temperature readings from USGS gauges. Running 596 cfs as of Aug 1, 2026, 6:00 PM UTC.

Latest Reading

596

cubic feet / second

USGS gauge

Flow measured Aug 1, 2026, 6:00 PM UTC at gauge 04265432. These are build-time snapshots, not a live feed — check the USGS gauge before relying on them.

USGS Gauges on Grass River

Gauge	Station	Water temp?
04265432	GRASS RIVER AT CHASE MILLS NY	—

Fly fishing rivers →New York lakes →

Conditions: USGS NWIS (public domain).