DERS2 Big Sioux River near Dell Rapids (South Dakota)
Alert - DERS2 - Big Sioux River near Dell Rapids (South Dakota)
Alert conditions are not currently being met.

Flood Categories

Primary (ft)

  • Action : 11 ft
  • Minor : 12 ft
  • Moderate : 14 ft
  • Major : 15 ft

Secondary (kcfs)

  • Action : Not Set
  • Minor : Not Set
  • Moderate : Not Set
  • Major : Not Set

The forecast flood categories are the same as the observation flood categories.

Gauge Data


Latest Observation Category: Normal
Latest Observation: 6.99 ft
Latest Observation (Secondary): 1.18 kcfs
Observation Time: Feb 24, 2020 08:30 PM -0600


Forecast Issued: N/A

The forecast data exceeds it's assigned PEDTS code duration.


Recent Projected Forecast Available: N/A
Recent Projected Forecast Time: N/A


Highest Projected Forecast Available: N/A
Highest Projected Forecast Time: N/A


Last Projected Forecast Available: N/A
Last Projected Forecast Time: N/A

U.S. Geological Survey (USGS) Data and Site Info for Dell Rapids: USGS ID: 06481000
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