Sacramento River at Moulton Weir
California — Water Level & Flood Stage
Located in Colusa 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: CLSC1). Live data may be limited. View on NWS AHPS →
Flood Stages
Major Flood
88.6 ft
Moderate Flood
87.6 ft
Minor Flood
83.8 ft
Action Stage
76.2 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
88.6 ft
Stages above 89.2 feet result in major flooding of areas outside the levees. Top of levee.
76.2 ft
Moulton Weir crest elevation. Overflow begins into butte sink. River Road is flooded and closed.
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 |
|---|---|---|
| Feb 27, 1940 | 84.69 ft | 45,300 cfs |
| Feb 27, 1940 | 84.69 ft | 45,300 cfs |
| Feb 25, 1958 | 84.62 ft | 44,200 cfs |
| Feb 25, 1958 | 84.62 ft | 44,200 cfs |
| Feb 11, 1941 | 84.44 ft | 42,200 cfs |
About This Gauge
NWS LID
CLSC1
River
Sacramento River
County
Colusa, CA
Coordinates
39.3383°N, 122.0228°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 Moulton Weir?
The Sacramento River at Moulton Weir 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 Moulton Weir?
The NWS-defined flood stage for Sacramento River at Moulton Weir is 83.8 feet. Action stage begins at 76.2 feet. Moderate flooding starts at 87.6 feet, and major flooding at 88.6 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 Moulton Weir 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 Moulton Weir gauge located?
The gauge is located in Colusa County, California at coordinates 39.3383°N, 122.0228°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
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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>