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Meramec River near Pacific

Highest listed crest 33.42 ftFlood stage 15.0 ft35 crests since 1982

The Meramec River near Pacific crested at major flood stage 5 times among the 35 crests the National Weather Service lists from 1982 to 2026. The highest, 33.42 ft on December 30, 2015, was major flooding, 18.42 feet above flood stage. 6 other gauges on the Meramec River crested above flood stage within a week of it, 3 at their own highest listed crest.

The gauge

Highest listed crest
33.42 ft
December 30, 2015; 130,000 cubic feet per second
Flood stage
15.0 ft
Major flooding from 27.0 ft
Crests at major
5
41st of 173 gauges in Missouri
Most recent flood crest
March 8, 2026
15.77 ft, minor flooding
Location
Jefferson County
Near Eureka (5.3 mi), Wildwood (8.4 mi), Ellisville (11.6 mi)

Flood stages

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

Flood categories, Meramec River near Pacific
Action stage13.01Feb 27, 2001The level at which the NWS or its partners begin to take action
Flood stage (minor)15.024Mar 8, 2026Minimal or no property damage, but possibly some public threat
Moderate flood stage23.05Apr 8, 2025Some inundation of structures and roads near the stream
Major flood stage27.05May 2, 2017Extensive inundation of structures and roads

Every listed crest

35 crests from 1982 to 2026. Filled: at or above flood stage. Hover a crest for its date and stage.

Listed crests at the Meramec River near Pacific, 1982 to 2026 101520253035ft Flood stage 15.0 ftMajor 27.0 ft Dec 6, 1982: 32.71 ft, major floodingApr 2, 1985: 18.90 ft, minor floodingJun 20, 1985: 23.20 ft, moderate floodingNov 22, 1985: 23.50 ft, moderate floodingOct 5, 1986: 18.70 ft, minor floodingDec 29, 1987: 18.10 ft, minor floodingNov 17, 1993: 24.73 ft, moderate floodingApr 14, 1994: 28.91 ft, major floodingMay 20, 1995: 22.30 ft, minor floodingMay 1, 1996: 21.00 ft, minor floodingMay 8, 2000: 21.61 ft, minor floodingFeb 27, 2001: 13.25 ft, action stageMay 11, 2002: 19.33 ft, minor flooding; 34,900 cubic feet per secondJan 8, 2005: 20.55 ft, minor flooding; 43,000 cubic feet per secondJan 16, 2005: 16.18 ft, minor flooding; 27,000 cubic feet per secondMar 22, 2008: 29.60 ft, major flooding; 94,000 cubic feet per secondApr 4, 2008: 17.76 ft, minor floodingApr 13, 2008: 17.49 ft, minor floodingSep 18, 2008: 18.21 ft, minor floodingMay 12, 2009: 18.99 ft, minor flooding; 36,946 cubic feet per secondSep 19, 2009: 17.35 ft, minor flooding; 31,100 cubic feet per secondNov 2, 2009: 21.14 ft, minor flooding; 45,700 cubic feet per secondApr 29, 2011: 19.13 ft, minor flooding; 37,400 cubic feet per secondApr 21, 2013: 16.59 ft, minor flooding; 28,670 cubic feet per secondDec 30, 2015: 33.42 ft, major flooding; 130,000 cubic feet per secondMay 2, 2017: 33.05 ft, major flooding; 128,400 cubic feet per secondFeb 27, 2018: 18.82 ft, minor flooding; 38,000 cubic feet per secondMar 30, 2018: 15.42 ft, minor flooding; 27,300 cubic feet per secondJan 14, 2020: 19.97 ft, minor floodingMar 6, 2023: 17.08 ft, minor flooding; 32,300 cubic feet per secondMar 27, 2023: 20.25 ft, minor flooding; 43,000 cubic feet per secondNov 8, 2024: 26.40 ft, moderate flooding; 71,600 cubic feet per secondApr 8, 2025: 23.03 ft, moderate flooding; 53,540 cubic feet per secondApr 22, 2025: 16.49 ft, minor flooding; 30,500 cubic feet per secondMar 8, 2026: 15.77 ft, minor flooding; 28,300 cubic feet per second Highest, 33.42 ft, Dec 30, 2015 1990200020102020

Crests at or above flood stage, by decade

Crests at or above flood stage per decade, Meramec River near Pacific 1980s: 6 1990s: 4 2000s: 11 11 2010s: 6 2020s: 7 1980s1990s2000s2010s2020s
  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, Meramec River near Pacific
1Dec 30, 201533.42+18.42Major130,000
2May 2, 201733.05+18.05Major128,400
3Dec 6, 198232.71+17.71Major—
4Mar 22, 200829.60+14.60Major94,000
5Apr 14, 199428.91+13.91Major—
6Nov 8, 202426.40+11.40Moderate71,600
7Nov 17, 199324.73+9.73Moderate—
8Nov 22, 198523.50+8.50Moderate—
9Jun 20, 198523.20+8.20Moderate—
10Apr 8, 202523.03+8.03Moderate53,540
11May 20, 199522.30+7.30Minor—
12May 8, 200021.61+6.61Minor—
13Nov 2, 200921.14+6.14Minor45,700
14May 1, 199621.00+6.00Minor—
15Jan 8, 200520.55+5.55Minor43,000
16Mar 27, 202320.25+5.25Minor43,000
17Jan 14, 202019.97+4.97Minor—
18May 11, 200219.33+4.33Minor34,900
19Apr 29, 201119.13+4.13Minor37,400
20May 12, 200918.99+3.99Minor36,946
21Apr 2, 198518.90+3.90Minor—
22Feb 27, 201818.82+3.82Minor38,000
23Oct 5, 198618.70+3.70Minor—
24Sep 18, 200818.21+3.21Minor—
25Dec 29, 198718.10+3.10Minor—
26Apr 4, 200817.76+2.76Minor—
27Apr 13, 200817.49+2.49Minor—
28Sep 19, 200917.35+2.35Minor31,100
29Mar 6, 202317.08+2.08Minor32,300
30Apr 21, 201316.59+1.59Minor28,670
31Apr 22, 202516.49+1.49Minor30,500
32Jan 16, 200516.18+1.18Minor27,000
33Mar 8, 202615.77+0.77Minor28,300
34Mar 30, 201815.42+0.42Minor27,300
35Feb 27, 200113.25−1.75Action—

The worst floods along the Meramec River

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

December 30, 2015: 33.42 ft here, major flooding

  • ArnoldMO · Dec 31, 2015 · 47.26 ft · Major · its highest
  • EurekaMO · Dec 30, 2015 · 46.06 ft · Major
  • Valley ParkMO · Dec 31, 2015 · 44.11 ft · Major · its highest
  • FentonMO · Dec 31, 2015 · 42.86 ft · Major · its highest
  • SullivanMO · Dec 29, 2015 · 31.48 ft · Major
  • SteelvilleMO · Dec 29, 2015 · 24.87 ft · Moderate

May 2, 2017: 33.05 ft here, major flooding

  • EurekaMO · May 3, 2017 · 46.11 ft · Major · its highest
  • ArnoldMO · May 3, 2017 · 45.62 ft · Major
  • Valley ParkMO · May 3, 2017 · 43.31 ft · Major
  • FentonMO · May 3, 2017 · 41.88 ft · Major
  • SullivanMO · May 1, 2017 · 36.52 ft · Major · its highest
  • SteelvilleMO · May 1, 2017 · 28.71 ft · Major · its highest

December 6, 1982: 32.71 ft here, major flooding

  • ArnoldMO · Dec 6, 1982 · 43.90 ft · Major
  • EurekaMO · Dec 6, 1982 · 42.89 ft · Major
  • Valley ParkMO · Dec 6, 1982 · 39.73 ft · Major
  • SullivanMO · Dec 4, 1982 · 32.22 ft · Major
  • SteelvilleMO · Dec 4, 1982 · 25.60 ft · Major

Gauges on the Meramec River

In USGS station-number order, which runs downstream within a river basin.

Flood gauges on the Meramec River
SteelvilleMO12.028.71 ft, May 1, 20176
SullivanMO11.036.52 ft, May 1, 20178
Pacific this gaugeMO15.033.42 ft, Dec 30, 20155
EurekaMO19.046.11 ft, May 3, 201715
Valley ParkMO18.044.11 ft, Dec 31, 201528
FentonMO23.042.86 ft, Dec 31, 20153
ArnoldMO24.047.26 ft, Dec 31, 201512

Other gauges in Jefferson County

Flood gauges in Jefferson County
Byrnesville16.030.20 ft, Aug 21, 19153
DeSoto10.014.30 ft, Apr 13, 20131
Arnold24.047.26 ft, Dec 31, 201512
Herculaneum26.029.79 ft, Jul 10, 20240

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

NOAA National Water Prediction Service, gauge PCFM7, 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.