Waterlands
Big Sioux River
USGS · 06485910
BIG SIOUX RIVER
USGS · 06485910LIVE

Big Sioux River near Jefferson, SD

PLYMOUTH COUNTY, IA42.6264°N, -96.5153°W Updated 9 hr ago
FLOW RATE
1,086cfs
GAUGE HT
9.60ft
Flow Rate Historical Avg
MEDIAN FLOW RATE · 30 DAY
1,086cfs 69.5% vs avg
Optimal band: 422–572 cfs
PERIOD HIGH
1,343cfs
PERIOD LOW
315cfs
RUNNABLE
13%
last 30 day in band

Gauge Height

9.60ft
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Station Location

42.6264, -96.5153
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DATA · USGS · NOAA · NWSUPDATED 2026-09-23 00:00 UTC
Site #06485910·USGS

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