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Elm Creek (SD) near Gann Valley

Highest listed crest 17.24 ftFlood stage 14.0 ft4 crests since 1993

The Elm Creek (SD) near Gann Valley crested above flood stage 1 time among the 4 crests the National Weather Service lists from 1993 to 2025. The highest, 17.24 ft on July 25, 1993, was minor flooding, 3.24 feet above flood stage.

The gauge

Highest listed crest
17.24 ft
July 25, 1993; 9,000 cubic feet per second
Flood stage
14.0 ft
Major flooding from 24.0 ft
Crests at major
0
1 above flood stage
Most recent flood crest
July 25, 1993
17.24 ft, minor flooding
Location
Buffalo County
South Dakota

Flood stages

The thresholds the National Weather Service uses for this gauge today, and how many listed crests reached each.

Flood categories, Elm Creek (SD) near Gann Valley
Action stage12.00—The level at which the NWS or its partners begin to take action
Flood stage (minor)14.01Jul 25, 1993Minimal or no property damage, but possibly some public threat
Moderate flood stage21.00—Some inundation of structures and roads near the stream
Major flood stage24.00—Extensive inundation of structures and roads

Every listed crest

4 crests from 1993 to 2025. Filled: at or above flood stage. Hover a crest for its date and stage.

Listed crests at the Elm Creek (SD) near Gann Valley, 1993 to 2025 510152025ft Flood stage 14.0 ftMajor 24.0 ft Jul 25, 1993: 17.24 ft, minor flooding; 9,000 cubic feet per secondMay 13, 1998: 9.53 ft, below flood stage; 884 cubic feet per secondApr 13, 2023: 11.92 ft, below flood stage; 1,780 cubic feet per secondApr 29, 2025: 6.37 ft, below flood stage; 257 cubic feet per second Highest, 17.24 ft, Jul 25, 1993 200020102020

Crests at or above flood stage, by decade

Crests at or above flood stage per decade, Elm Creek (SD) near Gann Valley 1990s: 1 1 2000s: 0 2010s: 0 2020s: 0 1990s2000s2010s2020s
  1. These are the crests the local National Weather Service office lists for the gauge: the highest on record and recent crests. Lesser floods between them may be missing, so counts by decade are a floor.
  2. Categories use today's flood stages. Levees, dams and channel changes since a crest can make old and new stages not directly comparable.

Highest crests

Highest listed crests, Elm Creek (SD) near Gann Valley
1Jul 25, 199317.24+3.24Minor9,000
2Apr 13, 202311.92−2.08Below flood stage1,780
3May 13, 19989.53−4.47Below flood stage884
4Apr 29, 20256.37−7.63Below flood stage257

Buffalo County: every hazard · River floods across the country · South Dakota

NOAA National Water Prediction Service, gauge GAVS2, retrieved October 30, 2026. Stages in feet on the gauge's own datum, not elevation. Crests are as the National Weather Service lists them; preliminary values may be revised.