Elm River at Westport, SD

Brown County, South Dakota · USGS gauge 06471500 · NWS WESS2 · Elm River flood status · South Dakota river levels

Nearby: river levels near Columbia

Is Elm River at Westport, SD flooding right now?

Elm River at Westport, SD measured 4.32 ft on 2026-09-11 01:00:00 UTC. That observation was 9.7 ft below its 14 ft flood stage. This is the latest available reading, not a guarantee of current conditions.

Gauge height
4.32 ft
as of 64 min ago
Streamflow
23 cfs
data refreshed 2 min ago

Minor flooding here begins at 14 ft, with major flooding at 19 ft. The highest crest on record was 22.63 ft on Wed, Mar 25, 2009.

Streamflow outlook

NOAA National Water Model forecast, issued 14 hours ago. The NWM models discharge for every river reach in the country, including the many gauges the National Weather Service does not forecast individually. It is a model, not an official NWS river forecast, and it predicts flow rather than water level.

Flood stages at this gauge

CategoryStageCurrent distance
Action12 ft7.7 ft below
Minor flood14 ft9.7 ft below
Moderate flood16 ft11.7 ft below
Major flood19 ft14.7 ft below

New to these numbers? What does flood stage mean? · How to read a river gauge · Why is the river rising?

Highest crests on record

StageDate
22.63 ft2009-03-25
22.11 ft1969-04-10
21.56 ft1997-03-30
20.8 ft2019-04-04
20.45 ft2020-07-27

Last 7 days

Past 7 days · 4.16–4.36 ft

Nearby gauges

GaugeDistanceCounty
Elm River near Ordway, SD7.6 miBrown County
James River at Columbia, SD9.7 miBrown County
James River below Columbia, SD9.9 miBrown County
Foot Creek near Aberdeen, SD10.2 miBrown County
Moccasin Creek at Aberdeen, SD13.0 miBrown County
Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.

Sources: USGS monitoring location · NWS gauge & forecast