National Weather Service California-Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

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SACRAMENTO RIVER - COLUSA BRIDGE (CLUC1)
Latitude: 39.21º NLongitude: 122.00º WElevation: 70 Feet
Location: Colusa County in CaliforniaRiver Group: Upper Sacramento
Monitor Stage: 63.0 FeetFlood Stage: 70.0 FeetDanger Stage: 71.0 Feet

Observed Data Credit
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Raw streamflow data is provided by the US Geological Survey (USGS).
View USGS Data for this station location.

Historical Stage/Flow Data
Water Year
Peak Discharge (cfs)
Stage (feet)
Date
 Most Recent 5 Years
2025* 51,700 68.54 Feb 7, 2025
2024* 48,800 67.44 Feb 21, 2024
2023* 48,000 67.26 Jan 16, 2023
2022* 29,900 59.51 Oct 26, 2021
2021* 11,500 46.82 Jan 30, 2021
 Historical High Stage/Flow Events (Period of Record - Oct 1940 to Present) - Ranked by Flow
1983* 51,800 68.50 Mar 04, 1983
2019* 51,100 68.33 Mar 1, 2019
2017* 50,900 68.25 Feb 20, 2017
2025* 50,500 68.11 Feb 06, 2025
1998* 50,300 68.02 Feb 05, 1998
1986* 50,100 67.97 Feb 19, 1986
 * Discharge affected by regulation or diversion
Location Photographs
ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ016)
Flood Impacts
73.0 FeetStages above 73.0 feet result in major flooding of the area outside the levees. Top of levee.
67.2 FeetWater moves into parking lot and patio of RV Park located 0.7 miles downstream of gauge on left bank of river.
65.0 FeetWater impacts the parking lot of RV Park 4 miles downstream of gauge on left bank of river. RV Park is located inside the levee.
63.0 FeetMonitor Stage. The Colusa-Sacramento River State Recreation Area begins to experience high water impacts.
Product Disclaimer

This river graphic is not intended to serve as a substitute for official flood watches, warnings, advisories, or statements issued by the NWS Sacramento Weather Forecast Office. Observations are preliminary and subject to change. River levels identified as "forecast" should be consistent with those contained in official NWS products. River levels identified as "guidance" have significant uncertainty due to future weather or reservoir regulation and are provided for planning purposes only.