Waterlands
Big Sioux River
USGS · 06479215
BIG SIOUX RIVER
USGS · 06479215LIVE

Big Sioux River near Florence, SD

GRANT COUNTY, SD45.1808°N, -97.1858°W Updated 18 hr ago
FLOW RATE
1cfs
GAUGE HT
3.09ft
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 YEAR
1cfs 39.5% vs avg
Optimal band: 3–5 cfs
PERIOD HIGH
182cfs
PERIOD LOW
1cfs
RUNNABLE
25%
last 1 year in band

Gauge Height

3.09ft
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Station Location

45.1808, -97.1858
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DATA · USGS · NOAA · NWSUPDATED 2026-10-16 00:00 UTC
Site #06479215·USGS

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