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 58 min ago
FLOW RATE
1,080cfs
GAUGE HT
9.58ft
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 DAY
1,080cfs 75.1% vs avg
Optimal band: 910–1,231 cfs
PERIOD HIGH
1,100cfs
PERIOD LOW
851cfs
RUNNABLE
78%
last 1 day in band

Gauge Height

9.58ft
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Station Location

42.6264, -96.5153
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DATA · USGS · NOAA · NWSUPDATED 2026-09-22 21:30 UTC
Site #06485910·USGS

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