Sacramento River at Hamilton City
California — Water Level & Flood Stage
Located in Glenn County, California on the Sacramento River. Live water level data from USGS, updated every 15 minutes.
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: HAMC1). Live data may be limited. View on NWS AHPS →
Flood Stages
Major Flood
150.2 ft
Moderate Flood
149.2 ft
Minor Flood
147 ft
Action Stage
142 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
147.2 ft
Flood Stage - Overflow begins on the East bank of the river in Butte County, from near Wilson Landing Road to Highway 32.
146.8 ft
Water at top of Irvine Finch boat ramp.
145.1 ft
Water inundates Phase 2A restoration area north of Hwy 32 bridge inside of levee; touches toe of levee.
144 ft
County Road 23 in Glenn County closes east of RD 2140 levee as a result of water on roadway.
137.7 ft
West Sacramento Avenue and River Road north of Big Chico Creek flood 1.5 hours after the Hamilton City gage reaches 137.7-138.0 feet.
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 |
|---|---|---|
| Jan 1, 1997 | 150.92 ft | 155,300 cfs |
| Jan 1, 1997 | 150.92 ft | 155,300 cfs |
| Jan 23, 1970 | 150.8 ft | 160,700 cfs |
| Jan 23, 1970 | 150.8 ft | 160,700 cfs |
| Feb 28, 1983 | 150.77 ft | 159,600 cfs |
About This Gauge
NWS LID
HAMC1
River
Sacramento River
County
Glenn, CA
Coordinates
39.7508°N, 121.9978°W
Get Flood Alerts for Sacramento 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 Sacramento River at Hamilton City?
The Sacramento River at Hamilton City 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 Sacramento River at Hamilton City?
The NWS-defined flood stage for Sacramento River at Hamilton City is 147 feet. Action stage begins at 142 feet. Moderate flooding starts at 149.2 feet, and major flooding at 150.2 feet.
How do I get alerts when Sacramento River rises?
Download StormCast free on Google Play, go to River Gauges, and add Sacramento River at Hamilton City 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 Sacramento River at Hamilton City gauge located?
The gauge is located in Glenn County, California at coordinates 39.7508°N, 121.9978°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Sacramento River
On This River
More Resources
Source & Notes
Data provided by: Observations Courtesy of CA Department of Water Resources
- Crests prior to 10/1/2019 are in an old datum. Datum change to NAVD88 occurred on 10/1/2019.<a href="http://cdec.water.ca.gov/reportapp/javareports?name=datum_change_2019.pdf"> See LINK for correction value.</a>