SOUTH FORK SANGAMON RIVER NEAR ROCHESTER, IL

SANGAMON COUNTY, IL39.7422°N, -89.5673°W Updated 14 hr ago

FLOW RATE

234cfs

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 YEAR

234cfs 64.9% vs avg

Optimal band: 17–23 cfs

PERIOD HIGH

4,030cfs

PERIOD LOW

1cfs

RUNNABLE

last 1 year 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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