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MOKELUMNE RIVER - BENSON'S FERRY (THTC1)
Latitude:
38.26º N
Longitude:
121.44º W
Elevation:
16 Feet
Location: Sacramento County in CA
River Group: San Joaquin
Forecast Issued: Feb 16 2026 at 3:15 PM PST
Next Issuance: Feb 17 2026 at 9:00 AM PST

Action/
Monitor:
12.0 Ft
Minor
Flood:
17.0 Ft
Moderate
Flood:
19.0 Ft
Major
Flood:
20.0 Ft

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Showing Observations.  Click image for fcst.
Please Note:
Graphical River Forecast - MOKELUMNE RIVER - BENSON'S FERRY (THTC1)Graphical River Forecast - MOKELUMNE RIVER - BENSON'S FERRY (THTC1)

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 -- 11.84 Feb 16, 2025
2024 -- 10.87 Mar 4, 2024
2023 -- 20.23 Jan 1, 2023
2022 -- 10.71 Dec 29, 2021
2021 -- 6.71 Jan 29, 2021
 Historical High Stage/Flow Events (Period of Record - Jan 1959 to Present) - Ranked by Stage
1997 -- 21.69 Jan 02, 1997
2017 -- 20.57 Feb 11, 2017
2023 -- 20.23 Jan 1, 2023
2006 -- 18.54 Apr 06, 2006
1986 -- 18.32 Feb 18, 1986
1995 -- 17.51 Mar 12, 1995
 * Datum changed from NGVD29 to NAVD88 on 10/01/2006. The difference is -0.75 ft and must be applied to all data before date to convert to NAVD88

Location Photographs

ESRI™ Locator Map

Flood Impacts
29.6 FeetTop of Levee Left Bank
17.25 FeetSome local farm roads are closed. Low lying areas along the river are flooded.