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Local Info
Critical Stages
11' - Action12' - Flood14' - Moderate Flood15' - Major Flood
Big Sioux River - Gauge DERS2
Dell Rapids, SD
Lat: 43.79N, Lon: 96.75W
 
Latest Observation
 Updated: 10:30 AM CDT 10/13/25
Stage:3.3 ft
Flow:0.1 kcfs*
* Thousand cubic feet per second
Forecast
hydrograph
Flood Impacts
Historical Crests

Data provided by NOAA Advanced Hydrologic Prediction Service

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