StormCast — Weather & Emergency Alerts

Laguna de Santa Rosa at Stony Point Road NR Cotati
California — Water Level & Flood Stage

Located in Sonoma County, California on the Laguna de Santa Rosa. Live water level data from USGS gauge 11465680, updated every 15 minutes.

Current Water Level

Gage Height

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Streamflow

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Last Reading

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Flood Stages

Major Flood

89 ft

Moderate Flood

85 ft

Minor Flood

84 ft

Action Stage

82 ft

Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.

What Floods at Each Level

89 ft

Major Flooding. Martin Avenue commercial district, as well as Labath Avenue and Commerce Blvd town center (Rohnert Park) susceptible to flooding (Copeland Creek immediately to the south is also probably flooding into the same area). Rancho Verde trailer park flooded. Backwater at Highway 101.

85 ft

Moderate Flooding. Redwood Drive at Martin Avenue area in Rohnert Park, including Martin Avenue commercial area, may begin to flood. Rancho Verde trailer park likely beginning to flood. NWS will issue a Flash Flood Warning, if not yet already issued.

84 ft

Minor Flooding. Rohnert Park Expressway begins to flood west of Rohnert Park. City turns on storm drain pumps to relieve back pressure, sending water back to the channel. NWS will issue an Urban/Small Stream Advisory, if not yet already issued.

82 ft

Monitor Stage. City of Rohnert Park begins to monitor the gage and is alerted via USGS Water Watch notification. NWS will issue a Flash Flood Watch if not yet already issued.

Impact statements from the National Weather Service, describing what typically happens at each water level.

7-Day Water Level Chart

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View Official NWS Hydrograph →

About This Gauge

USGS Site

11465680

NWS LID

CTIC1

River

Laguna de Santa Rosa

County

Sonoma, CA

Coordinates

38.3521°N, 122.7442°W

Get Flood Alerts for Laguna de Santa Rosa

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.

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Frequently Asked Questions

What is the current water level of Laguna de Santa Rosa at Stony Point Road NR Cotati?

The Laguna de Santa Rosa at Stony Point Road NR Cotati gauge is maintained by USGS (site 11465680) 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 Laguna de Santa Rosa at Stony Point Road NR Cotati?

The NWS-defined flood stage for Laguna de Santa Rosa at Stony Point Road NR Cotati is 84 feet. Action stage begins at 82 feet. Moderate flooding starts at 85 feet, and major flooding at 89 feet.

How do I get alerts when Laguna de Santa Rosa rises?

Download StormCast free on Google Play, go to River Gauges, and add Laguna de Santa Rosa at Stony Point Road NR Cotati 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 Laguna de Santa Rosa at Stony Point Road NR Cotati gauge located?

The gauge is located in Sonoma County, California at coordinates 38.3521°N, 122.7442°W. USGS site number: 11465680. Data is provided by the U.S. Geological Survey and the National Weather Service.

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Source & Notes

Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey