StormCast — Weather & Emergency Alerts

San Lorenzo Creek (Alameda) at San Lorenzo
California — Water Level & Flood Stage

Located in Alameda County, California on the San Lorenzo Creek (Alameda). Live water level data from USGS gauge 11181040, 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

Moderate Flood

25.5 ft

Action Stage

12 ft

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

7-Day Water Level Chart

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About This Gauge

USGS Site

11181040

NWS LID

SLCC1

River

San Lorenzo Creek (Alameda)

County

Alameda, CA

Coordinates

37.6841°N, 122.1400°W

Get Flood Alerts for San Lorenzo Creek (Alameda)

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 San Lorenzo Creek (Alameda) at San Lorenzo?

The San Lorenzo Creek (Alameda) at San Lorenzo gauge is maintained by USGS (site 11181040) 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 San Lorenzo Creek (Alameda) at San Lorenzo?

This gauge has NWS-defined flood categories. Check the flood stages section above for current thresholds.

How do I get alerts when San Lorenzo Creek (Alameda) rises?

Download StormCast free on Google Play, go to River Gauges, and add San Lorenzo Creek (Alameda) at San Lorenzo 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 San Lorenzo Creek (Alameda) at San Lorenzo gauge located?

The gauge is located in Alameda County, California at coordinates 37.6841°N, 122.1400°W. USGS site number: 11181040. 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