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YUBA RIVER - MARYSVILLE (MRYC1)
Latitude:
39.18º N
Longitude:
121.52º W
Elevation:
88 Feet
Location: Yuba County in CA
River Group: Lower Sacramento
Forecast Issued: Jan 10 2026 at 7:58 AM PST
Next Issuance: Jan 11 2026 at 9:00 AM PST

Action/
Monitor:
74.0 Ft
Minor
Flood:
87.0 Ft
Moderate
Flood:
90.0 Ft
Major
Flood:
91.0 Ft

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Showing Forecast.  Click image for obs.
Graphical River Forecast - YUBA RIVER - MARYSVILLE (MRYC1)Graphical River Forecast - YUBA RIVER - MARYSVILLE (MRYC1)

Historical Stage/Flow Data
Note: Water Year 2025 is currently showing peak daily mean values. These will be updated to instantaneous peaks in the coming months.
Water Year
Peak Discharge (cfs)
Stage (feet)
Date
 Most Recent 5 Years
2025* 22,900 73.10 Feb 05, 2025
2024* 9,730 67.02 Feb 20, 2024
2023* 34,400 76.25 Jan 01, 2023
2022* 15,100 70.11 Oct 25, 2021
2021* 1,390 62.32 Jan 28, 2021
 Historical High Stage/Flow Events (Period of Record - January 22, 1943 to Present) - Ranked by Flow
1965* 180,000 90.15 Dec 22, 1964
1997* 161,000 91.64 Jan 2, 1997
1963* 146,000 88.90 Feb 1, 1963
1956* 136,000 82.50 Dec 23, 1955
2006* 114,000 86.60 Dec 31, 2005
1986* 111,000 85.92 Feb 19, 1985
 * Discharge affected to unknown degree by regulation or diversion

Location Photographs

ESRI™ Locator Map

Flood Impacts
93.0 FeetTop of levee. Stages above this level result in flooding outside the levee. (datum = used)
87.0 FeetFlood stage.
80.0 FeetSimpson Lane becomes impassible. Dantoni Road floods. More orchards flood.
79.0 FeetSimpson Lane floods. Access into and out of Marysville via Simpson Lane bridge is cut off. Orchards within the levee system are flooded.
74.0 FeetMonitor stage.