Rivers in South Dakota

Maple River near Frederick

Brown County, South DakotaNWS MAPS2USGS 06471200Aberdeen office

Below flood stage
1.95ftStage

Observed Sun, Sep 20, 12:45 PM CDT

Flood stage
10.00 ft
Record crest
16.19 ft1997

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood15.00 ft
Moderate flood13.50 ft
Minor flood10.00 ft
Action9.00 ft
  1. 19.50 ftThe bridge at the gaging location is overtopped
  2. 16.50 ftThe water reaches the bottom of the bridge at the gaging location
  3. 16.00 ftThe bridge on 107th street and the bridge on main street in Frederick are under water
  4. 14.00 ftThe bridge 1 mile south of the gage is overtopped
  5. 13.50 ft107th street is flooded and the water reaches the bottom of the bridge 2 miles south of the gage
  6. 13.00 ft104th street is flooded
  7. 12.00 ftThe water reaches the bottom of the bridge 1 mile south of the gage the bridge 1 mile north of the gage is overtopped
  8. 11.00 ftThe water reaches the bottom of the bridge 1 mile north of the gage
  9. 10.50 ftThe bridge 2 miles north of the gage is overtopped
  10. 9.50 ftThe water reaches the bottom of the bridge 2 miles north of the gage

Crest history

57 crests on NOAA’s list since 1962.

#DateStage
1March 29, 199716.19 ft
2March 24, 200916.13 ft
3March 19, 201015.23 ft
4April 11, 196915.22 ft
5April 3, 201914.26 ft
6June 10, 200514.05 ft
7March 16, 196612.43 ft
8April 5, 201112.42 ft
9April 17, 202312.34 ft
10March 16, 199512.22 ft
11May 13, 199911.72 ft
12March 18, 197211.44 ft
13March 21, 199411.36 ft
14April 20, 197911.32 ft
15April 12, 199611.16 ft
16April 2, 198211.06 ft
17July 9, 196210.97 ft
18February 22, 201710.70 ft
19March 27, 198410.57 ft
20March 23, 198710.32 ft
21April 22, 201810.02 ft
22April 10, 20019.97 ft
23March 9, 19839.76 ft
24August 12, 20259.73 ft
25July 21, 19939.46 ft

Most recent crests

  • August 12, 2025: 9.73 ft
  • April 17, 2023: 12.34 ft
  • April 9, 2020: 8.96 ft
  • April 3, 2019: 14.26 ft
  • April 22, 2018: 10.02 ft
  • February 22, 2017: 10.70 ft
  • August 15, 2016: 7.27 ft
  • May 20, 2015: 8.81 ft
  • May 3, 2014: 8.28 ft
  • April 30, 2013: 5.51 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. Stage 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.