Is the Elm River flooding?

South Dakota · 3 gauges · South Dakota river levels

The Elm River is tracked by 3 USGS streamgauges in South Dakota. This page compares each gauge’s live water level against its official National Weather Service flood stage, refreshed every 15 minutes, so you can tell whether the Elm River is running normal, rising toward flood stage, or already flooding. 3 of 3 gauges have both a usable water-level reading and a published minor flood stage. Gauges without a published flood stage show water level and flow only. For nearby rivers, see all South Dakota river levels.

data refreshed 14 min ago

Readings may be delayed; check each observation time below. This gauge summary does not rule out flooding on unmonitored stretches or nearby streets.

River facts

The longest-running gauge on this river is Elm River at Westport, SD. The highest level ever recorded there was 22.63 ft on 25 March 2009, carrying 11,900 cfs. Peak records there go back to 1946 (80 annual peaks). It is currently at 4.32 ft, 18.3 ft below that record.

Drains 1,505 sq mi · gauge elevation 1,310 ft · source: USGS peak-flow record

GaugeStatusStageFlood stageUpdated
Elm River near Frederick, SDNo flooding5.39 ft13 ft
Elm River at Westport, SDNo flooding4.32 ft14 ft
Elm River near Ordway, SDNo flooding3.98 ft13 ft
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.