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South Branch Root River at Carimona

Highest listed crest 21.10 ftFlood stage 19.0 ft16 crests since 2009

The South Branch Root River at Carimona crested above flood stage 5 times among the 16 crests the National Weather Service lists from 2009 to 2026. The highest, 21.10 ft on May 20, 2013, was moderate flooding, 2.10 feet above flood stage. 1 other gauge on the South Branch Root River crested above flood stage within a week of it.

The gauge

Highest listed crest
21.10 ft
May 20, 2013; 6,550 cubic feet per second
Flood stage
19.0 ft
Major flooding from 24.0 ft
Crests at major
0
5 above flood stage
Most recent flood crest
July 3, 2026
20.49 ft, minor flooding
Location
Fillmore County
Minnesota

Flood stages

The thresholds the National Weather Service uses for this gauge today, and how many listed crests reached each.

Flood categories, South Branch Root River at Carimona
Action stage16.05Jul 24, 2022The level at which the NWS or its partners begin to take action
Flood stage (minor)19.04Jul 3, 2026Minimal or no property damage, but possibly some public threat
Moderate flood stage21.01May 20, 2013Some inundation of structures and roads near the stream
Major flood stage24.00—Extensive inundation of structures and roads

Every listed crest

16 crests from 2009 to 2026. Filled: at or above flood stage. Hover a crest for its date and stage.

Listed crests at the South Branch Root River at Carimona, 2009 to 2026 12141618202224ft Flood stage 19.0 ftMajor 24.0 ft Jun 9, 2009: 14.57 ft, below flood stageSep 24, 2010: 20.16 ft, minor flooding; 6,500 cubic feet per secondMar 23, 2011: 17.75 ft, action stageFeb 29, 2012: 13.41 ft, below flood stageMay 20, 2013: 21.10 ft, moderate flooding; 6,550 cubic feet per secondMar 31, 2014: 14.89 ft, below flood stageApr 10, 2015: 14.89 ft, below flood stageSep 23, 2016: 18.39 ft, action stageFeb 21, 2017: 17.75 ft, action stageJun 10, 2018: 19.56 ft, minor floodingMar 15, 2019: 18.52 ft, action stageMar 9, 2020: 15.10 ft, below flood stageAug 28, 2021: 14.43 ft, below flood stageJul 24, 2022: 16.26 ft, action stageJun 22, 2024: 20.26 ft, minor floodingJul 3, 2026: 20.49 ft, minor flooding; 7,115 cubic feet per second Highest, 21.10 ft, May 20, 2013 2010201520202025

Crests at or above flood stage, by decade

Crests at or above flood stage per decade, South Branch Root River at Carimona 2000s: 0 2010s: 3 3 2020s: 2 2000s2010s2020s
  1. These are the crests the local National Weather Service office lists for the gauge: the highest on record and recent crests. Lesser floods between them may be missing, so counts by decade are a floor.
  2. Categories use today's flood stages. Levees, dams and channel changes since a crest can make old and new stages not directly comparable.

Highest crests

Highest listed crests, South Branch Root River at Carimona
1May 20, 201321.10+2.10Moderate6,550
2Jul 3, 202620.49+1.49Minor7,115
3Jun 22, 202420.26+1.26Minor—
4Sep 24, 201020.16+1.16Minor6,500
5Jun 10, 201819.56+0.56Minor—
6Mar 15, 201918.52−0.48Action—
7Sep 23, 201618.39−0.61Action—
8Mar 23, 201117.75−1.25Action—
9Feb 21, 201717.75−1.25Action—
10Jul 24, 202216.26−2.74Action—
11Mar 9, 202015.10−3.90Below flood stage—
12Mar 31, 201414.89−4.11Below flood stage—
13Apr 10, 201514.89−4.11Below flood stage—
14Jun 9, 200914.57−4.43Below flood stage—
15Aug 28, 202114.43−4.57Below flood stage—
16Feb 29, 201213.41−5.59Below flood stage—

The worst floods along the South Branch Root River

For this gauge's highest crests, the other gauges on the South Branch Root River that crested above flood stage within a week.

May 20, 2013: 21.10 ft here, moderate flooding

  • PrestonMN · May 20, 2013 · 938.07 ft · Minor

September 24, 2010: 20.16 ft here, minor flooding

  • PrestonMN · Sep 24, 2010 · 937.35 ft · Minor

Gauges on the South Branch Root River

Flood gauges sharing the river's name, linked within 80 miles of one another.

Flood gauges on the South Branch Root River
Carimona this gaugeMN19.021.10 ft, May 20, 20130
LanesboroMN12.019.20 ft, Mar 26, 19501
PrestonMN937.0942.40 ft, Mar 26, 19502

Other gauges in Fillmore County

Flood gauges in Fillmore County
Fillmore1,004.01,007.50 ft, Jul 3, 20260
Rushford21.028.98 ft, Aug 19, 20078
Pilot Mound19.025.90 ft, Jun 1, 20001
Lanesboro12.019.20 ft, Mar 26, 19501
Preston937.0942.40 ft, Mar 26, 19502

Fillmore County: every hazard · River floods across the country · Minnesota

NOAA National Water Prediction Service, gauge CMAM5, retrieved October 30, 2026. Stages in feet on the gauge's own datum, not elevation. Crests are as the National Weather Service lists them; preliminary values may be revised.