Rivers in California

Mokelumne River at Benson's Ferry

San Joaquin County, CaliforniaNWS THTC1Sacramento office

Below flood stage
6.69ftStage

Observed Tue, Sep 29, 9:15 PM PDT

Flood stage
17.00 ft
Forecast crest
6.30 ftWed, Sep 30, 9:00 PM PDT
Record crest
21.69 ft1997

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood20.00 ft
Moderate flood19.00 ft
Minor flood17.00 ft
Action12.00 ft
  1. 29.60 ftTop of Levee Left Bank
  2. 17.25 ftSome local farm roads are closed. Low lying areas along the river are flooded.

Crest history

46 crests on NOAA’s list since 1959.

#DateStage
1January 2, 199721.69 ft
2February 11, 201720.56 ft
3January 1, 202320.23 ft
4January 12, 201719.89 ft
5April 6, 200618.54 ft
6February 18, 198618.32 ft
7March 12, 199517.51 ft
8December 24, 196415.60 ft
9January 6, 198215.49 ft
10March 14, 198315.29 ft
11January 11, 199514.74 ft
12March 16, 202313.99 ft
13January 22, 196913.81 ft
14January 15, 198013.74 ft
15December 27, 198313.67 ft
16February 16, 201913.65 ft
17January 22, 199313.19 ft
18March 24, 201813.08 ft
19March 15, 201612.45 ft
20January 6, 202612.30 ft
21January 23, 196712.10 ft
22February 15, 202512.07 ft
23January 17, 197311.93 ft
24March 4, 202410.87 ft
25December 29, 202110.71 ft

Most recent crests

  • January 6, 2026: 12.30 ft
  • February 15, 2025: 12.07 ft
  • March 4, 2024: 10.87 ft
  • March 16, 2023: 13.99 ft
  • January 1, 2023: 20.23 ft
  • December 29, 2021: 10.71 ft
  • January 29, 2021: 6.71 ft
  • April 8, 2020: 8.25 ft
  • February 16, 2019: 13.65 ft
  • March 24, 2018: 13.08 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the California Nevada River Forecast Center. Forecasts are issued routinely year-round. Crests prior to 10/1/2006 are in an old datum. Datum change to NAVD88 occurred 10/1/2006.<a href="http://cdec.water.ca.gov/misc/datum_change2006.html"> See LINK for correction value.</a>

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service.