Rivers in Missouri

Big River at Irondale

Washington County, MissouriNWS IRNM7USGS 07017200St. Charles office

No flood stages set
0.33ftStage

Observed Tue, Sep 22, 2:15 AM CDT

Record crest
28.95 ft1993

Open the live map with the river flood outlook

Crest history

54 crests on NOAA’s list since 1966.

#DateStage
1November 14, 199328.95 ft
2November 1, 197227.92 ft
3May 8, 200925.62 ft
4November 19, 198525.57 ft
5October 30, 200924.20 ft
6April 30, 201722.84 ft
7April 18, 201322.72 ft
8January 29, 196922.72 ft
9August 9, 197022.62 ft
10April 11, 197922.25 ft
11December 28, 201521.53 ft
12May 8, 200221.32 ft
13March 28, 197721.30 ft
14February 9, 196621.29 ft
15March 19, 200821.08 ft
16March 5, 202620.73 ft
17February 23, 198519.76 ft
18August 10, 201519.70 ft
19November 23, 198319.33 ft
20April 22, 199618.82 ft
21August 27, 198218.67 ft
22February 22, 197518.13 ft
23June 25, 199318.08 ft
24April 28, 201117.98 ft
25April 16, 197217.73 ft

Most recent crests

  • March 5, 2026: 20.73 ft
  • January 11, 2020: 17.47 ft
  • April 26, 2019: 12.94 ft
  • February 24, 2018: 17.19 ft
  • April 30, 2017: 22.84 ft
  • December 28, 2015: 21.53 ft
  • August 10, 2015: 19.70 ft
  • April 18, 2013: 22.72 ft
  • March 16, 2012: 11.25 ft
  • April 28, 2011: 17.98 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the North Central River Forecast Center. Forecasts are not available. Only observed stages are available for this point.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.