Major Flood
46.7 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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This is an NWS forecast point (LID: SAMC1). Live data may be limited. View on NWS AHPS →
FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
45.7 ft
Minor Flood
42 ft
Action Stage
39 ft
What Floods at Each Level
46.7 ft
Stages above 46.7 feet result in flooding outside the levees. Top of levee.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Nov 20, 1950 | 45.7 ft | -9,999 cfs |
| Mar 25, 1928 | 43.4 ft | -9,999 cfs |
| Feb 18, 1986 | 43.4 ft | -9,999 cfs |
About This Gauge
NWS LID
SAMC1
River
American River
County
Sacramento, CA
Coordinates
38.5689°N, 121.4225°W
Get Flood Alerts for American River
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 American River at H Street?
The American River at H Street 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 American River at H Street?
The NWS-defined flood stage for American River at H Street is 42 feet. Action stage begins at 39 feet. Moderate flooding starts at 45.7 feet, and major flooding at 46.7 feet.
How do I get alerts when American River rises?
Download StormCast free on Google Play, go to River Gauges, and add American River at H Street 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 American River at H Street gauge located?
The gauge is located in Sacramento County, California at coordinates 38.5689°N, 121.4225°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Resources
Source & Notes
Data provided by: Observations Courtesy of CA Department of Water Resources
- <a href= "http://cdec.water.ca.gov/misc/datum_change2016.html"> Crests prior to 10/1/2016 are in an old datum. Datum change to NAVD88 occurred 10/1/2016. See link for correction value.</a>
- Gauge reading affected by nearby construction.