Rivers in Iowa

West Okoboji Lake near Milford

Dickinson County, IowaNWS OBJI4USGS 06604200Sioux Falls office

Below flood stage
4.30ftStage

Observed Tue, Sep 29, 3:45 PM CDT

Flood stage
6.50 ft
Record crest
8.66 ft1993

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood9.00 ft
Moderate flood7.00 ft
Minor flood6.50 ft
Action6.00 ft
  1. 10.00 ftCounty roads along Milford Creek start flooding, and the pumping station near the Lower Gar Lake outlet begins flooding.
  2. 8.50 ftWater is over the top of the culvert at the county road crossing the Lower Gar Lake outlet, and moderate flooding of pasture land along Milford Creek begins.
  3. 7.50 ftFlooding of low lands along Milford Creek begins.
  4. 6.75 ftWater reaches the floor of the pump house for water supply for Milford and West Okoboji.
  5. 6.20 ftThe Emergency Lake-wide 5 mph rule on East Okoboji, West Okoboji, Upper Gar, Lower Gar, and Minnewashta lakes is enacted.

Crest history

87 crests on NOAA’s list since 1933.

#DateStage
1July 17, 19938.66 ft
2June 25, 20248.10 ft
3July 5, 20186.60 ft
4July 16, 20116.25 ft
5June 24, 19846.23 ft
6July 8, 19626.14 ft
7April 10, 19656.11 ft
8May 31, 20195.98 ft
9April 18, 20065.61 ft
10June 18, 20165.51 ft
11April 24, 19835.46 ft
12April 4, 19525.41 ft
13June 26, 19945.40 ft
14June 15, 19455.38 ft
15September 17, 19385.36 ft
16July 11, 19515.33 ft
17July 10, 19695.32 ft
18July 2, 19865.30 ft
19July 26, 19925.29 ft
20April 2, 19715.28 ft
21June 5, 20205.24 ft
22June 28, 19435.24 ft
23June 7, 19955.24 ft
24March 27, 20105.19 ft
25May 25, 20055.19 ft

Most recent crests

  • August 21, 2025: 4.77 ft
  • June 25, 2024: 8.10 ft
  • May 15, 2023: 4.69 ft
  • June 5, 2020: 5.24 ft
  • May 31, 2019: 5.98 ft
  • July 5, 2018: 6.60 ft
  • May 27, 2017: 5.15 ft
  • June 18, 2016: 5.51 ft
  • June 22, 2015: 4.20 ft
  • June 27, 2014: 4.59 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.