Rivers in South Dakota

Big Sioux River near Bruce

Brookings County, South DakotaNWS BRCS2USGS 06479770Sioux Falls office

Below flood stage
3.51ftStage

Observed Tue, Sep 22, 11:45 AM CDT

Flood stage
8.00 ft
Record crest
12.16 ft2011

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood13.00 ft
Moderate flood10.00 ft
Minor flood8.00 ft
Action7.00 ft
  1. 15.00 ftThe bridge on 466th Ave is overtopped.
  2. 14.00 ftWater overtops 466th Avenue near the gage. The bridges on 202nd St and 207th St are also overtopped.
  3. 13.00 ftWater reaches the bottom of the bridge on 203rd street northwest of Bruce. Water will begin to surround multiple structures and homes near the gauge location.
  4. 11.50 ftThe higher banks on the left side of the river are overtopped, flooding agricultural lands for a width of 1/4 to 1/3 mile. 203rd and 207th streets both begins to flood. The water also reaches the low steel of the bridge at the gaging location on 466th Avenue.
  5. 10.50 ft198th St, 199th St, 202nd St all begin flooding. 465th Ave between 203rd and 204th St also floods.
  6. 9.50 ftThe right bank overflows, flooding agricultural lands for as much as 1/4 mile.
  7. 8.00 ftThe lower banks on the left side of the river overflow.

Crest history

27 crests on NOAA’s list since 2001.

#DateStage
1March 28, 201112.16 ft
2March 29, 201910.88 ft
3March 24, 200910.75 ft
4April 9, 200110.60 ft
5April 4, 201110.52 ft
6July 1, 202510.50 ft
7June 25, 201310.46 ft
8March 16, 201010.37 ft
9March 15, 200710.35 ft
10April 23, 201810.20 ft
11April 13, 202310.17 ft
12April 11, 202310.17 ft
13March 30, 20029.01 ft
14March 30, 20208.80 ft
15May 14, 20228.24 ft
16February 21, 20178.01 ft
17June 24, 20247.85 ft
18March 17, 20037.54 ft
19May 12, 20086.99 ft
20June 2, 20146.77 ft
21March 12, 20066.56 ft
22October 30, 20046.40 ft
23April 10, 20216.36 ft
24August 21, 20156.21 ft
25May 7, 20125.67 ft

Most recent crests

  • July 1, 2025: 10.50 ft
  • June 24, 2024: 7.85 ft
  • April 13, 2023: 10.17 ft
  • April 11, 2023: 10.17 ft
  • May 14, 2022: 8.24 ft
  • April 10, 2021: 6.36 ft
  • March 30, 2020: 8.80 ft
  • March 29, 2019: 10.88 ft
  • April 23, 2018: 10.20 ft
  • February 21, 2017: 8.01 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.