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Public Information Statement
National Weather Service Sacramento CA
748 AM PDT Mon Jul 14 2025

...Changes to Moderate and Major Flood Stages for the Mokelumne
River at Benson`s Ferry...

The National Weather Service (NWS) Sacramento office is adjusting
the moderate and major flood stages for the Mokelumne River at
Bensons Ferry (site ID: THTC1), effective August 14, 2025.

The current established flood stages for the Mokelumne River at
Bensons Ferry are as follows:

12.0 feet - Action/Monitor Stage
17.0 feet - Minor Flood Stage (Flood Warning issuance level)
28.6 feet - Moderate Flood Stage
29.6 feet - Major Flood Stage

Effective August 14, 2025, the new flood stages are as follows:

12.0 feet - Action/Monitor Stage
17.0 feet - Minor Flood Stage (Flood Warning issuance level)
*19.0 feet* - Moderate Flood Stage
*20.0 feet* - Major Flood Stage

These adjusted moderate and major flood stages are an improved
representation of flood impacts realized at lower stages.

NWS Sacramento, California-Nevada River Forecast Center,
Sacramento County, San Joaquin County, and California Department
of Water Resources (CA DWR) support these changes. The Mokelumne
River at Bensons Ferry gauge is owned and operated by CA DWR.
Without this critical data, NWS forecasts and warnings would not
be possible.

The NWS welcomes public feedback regarding these service changes.
If you have feedback or questions regarding these changes please
email the contact listed below.

Contact:
   Scott Rowe
   Senior Service Hydrologist
   National Weather Service - Sacramento, CA
   scott.rowe@noaa.gov

Webpage Resources:
 -National Water Prediction Service page for Bensons Ferry:
  https://water.noaa.gov/gauges/THTC1

 -CNRFC forecast page for Bensons Ferry:
  https://www.cnrfc.noaa.gov/graphicalRVF.php?id=THTC1

$$

Rowe