SOUTH FORK SANGAMON RIVER NEAR ROCHESTER, IL

ILLINOIS39.7422°N, -89.5673°W Updated 14 hr ago

FLOW RATE

234cfs

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 DAY

234cfs 23.4% vs avg

Optimal band: 575–777 cfs

PERIOD HIGH

1,544cfs

PERIOD LOW

215cfs

RUNNABLE

10%

last 30 day in band

Precipitation History

Your History · SOUTH FORK SANGAMON RIVER NEAR ROCHESTER, IL

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39.7422, -89.5673

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DATA · USGS · NOAA · NWSUPDATED 2026-07-07 00:00 UTC

Site #05576000·USGS

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