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Osage River at Mari-Osa Campground

Highest listed crest 30.30 ftFlood stage 19.0 ft18 crests since 2015

The Osage River at Mari-Osa Campground crested at major flood stage 3 times among the 18 crests the National Weather Service lists from 2015 to 2024. The highest, 30.30 ft on December 29, 2015, was major flooding, 11.30 feet above flood stage. 5 other gauges on the Osage River crested above flood stage within a week of it, 2 at their own highest listed crest.

The gauge

Highest listed crest
30.30 ft
December 29, 2015
Flood stage
19.0 ft
Major flooding from 25.0 ft
Crests at major
3
69th of 173 gauges in Missouri
Most recent flood crest
April 30, 2024
21.50 ft, minor flooding
Location
Osage County
Near Jefferson City (10.4 mi)
Identifiers
NWS MOAM7
No USGS station

Flood stages

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

Flood categories, Osage River at Mari-Osa Campground
Action stage17.00—The level at which the NWS or its partners begin to take action
Flood stage (minor)19.010Apr 30, 2024Minimal or no property damage, but possibly some public threat
Moderate flood stage22.05Jun 28, 2021Some inundation of structures and roads near the stream
Major flood stage25.03Jun 6, 2019Extensive inundation of structures and roads

Every listed crest

18 crests from 2015 to 2024. Filled: at or above flood stage. Hover a crest for its date and stage.

Listed crests at the Osage River at Mari-Osa Campground, 2015 to 2024 1520253035ft Flood stage 19.0 ftMajor 25.0 ft Dec 18, 2015: 22.10 ft, moderate floodingDec 29, 2015: 30.30 ft, major floodingMay 31, 2016: 20.70 ft, minor floodingMay 4, 2017: 27.90 ft, major floodingOct 13, 2018: 20.30 ft, minor floodingMar 31, 2019: 22.50 ft, moderate floodingJun 6, 2019: 30.20 ft, major floodingSep 2, 2019: 20.10 ft, minor floodingOct 11, 2019: 21.40 ft, minor floodingJan 11, 2020: 22.50 ft, moderate floodingMar 20, 2020: 21.20 ft, minor floodingMay 30, 2020: 21.60 ft, minor floodingJun 5, 2020: 19.00 ft, minor floodingJun 10, 2020: 20.30 ft, minor floodingMar 19, 2021: 22.80 ft, moderate floodingApr 12, 2021: 20.30 ft, minor floodingJun 28, 2021: 23.00 ft, moderate floodingApr 30, 2024: 21.50 ft, minor flooding Highest, 30.30 ft, Dec 29, 2015 201520202025

Crests at or above flood stage, by decade

Crests at or above flood stage per decade, Osage River at Mari-Osa Campground 2010s: 9 9 2020s: 9 2010s2020s
  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, Osage River at Mari-Osa Campground
1Dec 29, 201530.30+11.30Major—
2Jun 6, 201930.20+11.20Major—
3May 4, 201727.90+8.90Major—
4Jun 28, 202123.00+4.00Moderate—
5Mar 19, 202122.80+3.80Moderate—
6Mar 31, 201922.50+3.50Moderate—
7Jan 11, 202022.50+3.50Moderate—
8Dec 18, 201522.10+3.10Moderate—
9May 30, 202021.60+2.60Minor—
10Apr 30, 202421.50+2.50Minor—
11Oct 11, 201921.40+2.40Minor—
12Mar 20, 202021.20+2.20Minor—
13May 31, 201620.70+1.70Minor—
14Oct 13, 201820.30+1.30Minor—
15Jun 10, 202020.30+1.30Minor—
16Apr 12, 202120.30+1.30Minor—
17Sep 2, 201920.10+1.10Minor—
18Jun 5, 202019.000.00Minor—

The worst floods along the Osage River

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

December 29, 2015: 30.30 ft here, major flooding

  • TuscumbiaMO · Dec 29, 2015 · 34.39 ft · Moderate · its highest
  • BagnellMO · Dec 29, 2015 · 34.22 ft · Minor
  • Schell CityMO · Dec 31, 2015 · 32.43 ft · Minor
  • TabervilleMO · Jan 1, 2016 · 29.77 ft · Minor
  • St. ThomasMO · Dec 29, 2015 · 29.53 ft · Minor · its highest

June 6, 2019: 30.20 ft here, major flooding

  • Schell CityMO · Jun 13, 2019 · 38.69 ft · Moderate
  • BagnellMO · Jun 13, 2019 · 22.79 ft · Minor

May 4, 2017: 27.90 ft here, major flooding

  • Schell CityMO · May 5, 2017 · 38.07 ft · Moderate
  • TabervilleMO · May 4, 2017 · 36.10 ft · Moderate
  • TuscumbiaMO · May 1, 2017 · 29.58 ft · Minor
  • BagnellMO · May 1, 2017 · 29.40 ft · Minor
  • St. ThomasMO · May 1, 2017 · 25.45 ft · Minor

Gauges on the Osage River

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

Flood gauges on the Osage River
Mari-Osa Campground this gaugeMO19.030.30 ft, Dec 29, 20153
TuscumbiaMO20.034.39 ft, Dec 29, 20150
WarsawMO34.044.54 ft, May 21, 19430
BagnellMO22.038.90 ft, May 19, 19430
Schell CityMO30.051.50 ft, Oct 5, 19862
St. ThomasMO23.029.53 ft, Dec 29, 20150
TabervilleMO23.043.65 ft, May 27, 20190

Other gauges in Osage County

Flood gauges in Osage County
Rich Fountain20.037.47 ft, May 2, 20176
Westphalia10.024.84 ft, Sep 26, 199813
Chamois17.033.30 ft, Jul 31, 19931

Osage County: every hazard · River floods across the country · Missouri

NOAA National Water Prediction Service, gauge MOAM7, 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.