MEDIAN FLOW RATE · 1 YEAR
1cfs 8.1% vs avg
Optimal band: 35–47 cfs
PERIOD HIGH
262cfs
PERIOD LOW
1cfs
RUNNABLE
11%
last 1 year in band
Gauge Height
3.21ft
Weather Map
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Your History · Big Sioux R ab Watertown, SD
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Station Location
45.0061, -97.1644Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-09-01 00:00 UTC
Site #06479500·USGS
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