What is the current flow on Mill Creek?

Mill Creek was running 33 cubic feet per second as of Aug 1, 2026, 6:15 PM UTC, measured at USGS gauge 14013000. This is a build-time snapshot rather than a live reading — check the USGS gauge directly before relying on it.

Is Mill Creek stocked?

Yes — Mill Creek is on the state's stocked trout water list. Stocked water is managed as put-and-take: fish are raised in a hatchery and released, rather than reproducing in the stream. Source: undefined.

Mill Creek

Washington. A state-stocked trout water. Running 33 cfs as of Aug 1, 2026, 6:15 PM UTC.

Latest Reading

cubic feet / second

USGS gauges

Flow measured Aug 1, 2026, 6:15 PM UTC at gauge 14013000. These are build-time snapshots, not a live feed — check the USGS gauge before relying on them.

State Trout Classification

Classification

State-stocked trout water

Source: .

USGS Gauges on Mill Creek

Gauge	Station	Water temp?
12113347	MILL CREEK AT EARTHWORKS PARK AT KENT, WA	—
12113349	MILL CREEK NEAR MOUTH AT ORILLIA, WA	—
14013000	MILL CREEK NEAR WALLA WALLA, WA	—
14013700	MILL CREEK AT FIVE MILE RD BR NR WALLA WALLA, WA	—
14015000	MILL CREEK AT WALLA WALLA, WA	—
14015350	MILL CR AT LAST CHANCE RD BR NR COLLEGE PLACE, WA	—

Fly fishing rivers →Washington trout water →Washington lakes →

Conditions: USGS NWIS (public domain).