SANTA ANA R NR MENTONE (RIVER ONLY) CA

HIGHLAND, CA34.1083°N, -117.1006°W Updated 18 hr ago

FLOW RATE

26cfs

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 DAY

26cfs 0.9% vs avg

Optimal band: 32–44 cfs

PERIOD HIGH

53cfs

PERIOD LOW

24cfs

RUNNABLE

45%

last 30 day in band

Precipitation History

Your History · SANTA ANA R NR MENTONE (RIVER ONLY) CA

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34.1083, -117.1006

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DATA · USGS · NOAA · NWSUPDATED 2026-07-06 00:00 UTC

Site #11051499·USGS

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