Rivers in Iowa

Perry Creek near Millnerville

Plymouth County, IowaNWS PCMI4USGS 06599900Sioux Falls office

Below flood stage
1.03ftStage

Observed Tue, Sep 22, 4:45 AM CDT

Flood stage
8.00 ft
Record crest
14.54 ft2014

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood12.00 ft
Moderate flood10.00 ft
Minor flood8.00 ft
Action6.00 ft
  1. 22.50 ftThe bridge on 270th St is overtopped.
  2. 20.00 ftThe bridge on K22 is overtopped and the yards near 270th St.
  3. 18.00 ftK22 south of gauge begins to flood.
  4. 15.50 ftThe lowest portion of 250th St begins to flood.
  5. 8.00 ftSignificant flooding of agricultural land begins.
  6. 7.00 ftThe lowest banks are overtopped.

Crest history

25 crests on NOAA’s list since 1998.

#DateStage
1June 17, 201414.54 ft
2May 22, 200412.31 ft
3March 13, 201912.08 ft
4July 30, 201011.73 ft
5March 20, 200111.60 ft
6February 9, 200911.44 ft
7July 10, 200210.61 ft
8September 5, 201810.20 ft
9June 26, 20089.89 ft
10June 20, 20119.02 ft
11March 12, 20078.73 ft
12June 16, 20068.46 ft
13May 18, 20008.27 ft
14July 29, 20258.24 ft
15June 25, 20038.22 ft
16September 2, 19988.04 ft
17February 1, 20237.96 ft
18May 27, 20137.74 ft
19July 27, 19997.24 ft
20March 20, 20206.89 ft
21June 25, 20056.52 ft
22May 28, 20126.40 ft
23December 25, 20174.82 ft
24May 7, 20244.13 ft
25June 6, 20153.72 ft

Most recent crests

  • July 29, 2025: 8.24 ft
  • May 7, 2024: 4.13 ft
  • February 1, 2023: 7.96 ft
  • March 20, 2020: 6.89 ft
  • March 13, 2019: 12.08 ft
  • September 5, 2018: 10.20 ft
  • December 25, 2017: 4.82 ft
  • June 6, 2015: 3.72 ft
  • June 17, 2014: 14.54 ft
  • May 27, 2013: 7.74 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the Missouri Basin River Forecast Center. Forecasts are not available. Only observed stages are available for this point. No forecasts are available for this location Gauge reading may be affected by ice.

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.