Action Stage
284 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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FLOOD STAGES
Know the flood categories.
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
NWS LID
CSRC1
River
Lower Crystal Springs Reservoir
County
San Mateo, CA
Coordinates
37.5153°N, 122.3558°W
Get Flood Alerts for Lower Crystal Springs Reservoir
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 Lower Crystal Springs Reservoir at Dam?
The Lower Crystal Springs Reservoir at Dam gauge is maintained by USGS (site 11162750) 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 Lower Crystal Springs Reservoir at Dam?
This gauge has NWS-defined flood categories. Check the flood stages section above for current thresholds.
How do I get alerts when Lower Crystal Springs Reservoir rises?
Download StormCast free on Google Play, go to River Gauges, and add Lower Crystal Springs Reservoir at Dam to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.
Where is the Lower Crystal Springs Reservoir at Dam gauge located?
The gauge is located in San Mateo County, California at coordinates 37.5153°N, 122.3558°W. USGS site number: 11162750. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Resources
Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey