RIVER GAUGE · ARROYO SIMI
Arroyo Simi at Royal Ave.
Ventura County, California
Water level74.65 ft
Flow—
Last readingSep 16, 2026, 5:00 PM UTC (last recorded)
Action79.2 ft4,500 cfs
Minor flood79.5 ft5,000 cfs
Moderate flood81.9 ft7,000 cfs
Major flood84.5 ft10,000 cfs
The past week
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When the water runs low
- 5 ft
Stage needed to inundate designated Gulf Sturgeon critical habitat below Jim Woodruff Lock and Dam.
- 3 ft
Temporary (not sustainable) operating level for of Scholz Power Plant
More on Arroyo Simi
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