Arroyo Simi at Royal Ave.
California — Water Level & Flood Stage
Located in Ventura County, California on the Arroyo Simi. Live water level data from USGS, updated every 15 minutes.
Current Water Level
Gage Height
Loading...
Streamflow
Loading...
Last Reading
Loading...
This is an NWS forecast point (LID: ASJC1). Live data may be limited. View on NWS AHPS →
Flood Stages
Major Flood
84.5 ft
10,000 cfs
Moderate Flood
81.9 ft
7,000 cfs
Minor Flood
79.5 ft
5,000 cfs
Action Stage
79.2 ft
4,500 cfs
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Low-Water Impacts
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
What happens as water levels drop, per the National Weather Service.
7-Day Water Level Chart
Loading chart data...
About This Gauge
NWS LID
ASJC1
River
Arroyo Simi
County
Ventura, CA
Coordinates
34.2642°N, 118.7356°W
Get Flood Alerts for Arroyo Simi
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Arroyo Simi at Royal Ave.?
The Arroyo Simi at Royal Ave. gauge is maintained by USGS and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Arroyo Simi at Royal Ave.?
The NWS-defined flood stage for Arroyo Simi at Royal Ave. is 79.5 feet. Action stage begins at 79.2 feet. Moderate flooding starts at 81.9 feet, and major flooding at 84.5 feet.
How do I get alerts when Arroyo Simi rises?
Download StormCast free on Google Play, go to River Gauges, and add Arroyo Simi at Royal Ave. to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category — even when your screen is off.
Where is the Arroyo Simi at Royal Ave. gauge located?
The gauge is located in Ventura County, California at coordinates 34.2642°N, 118.7356°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Arroyo Simi
More Resources
Source & Notes
Data provided by: Ventura County Watershed Protection District