SANGAMON RIVER AT ROUTE 48 AT DECATUR, IL

ILLINOIS39.8311°N, -88.9764°W Updated 15 hr ago

FLOW RATE

1,106cfs

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 DAY

1,106cfs 128.6% vs avg

Optimal band: 1,381–1,869 cfs

PERIOD HIGH

5,929cfs

PERIOD LOW

19cfs

RUNNABLE

10%

last 30 day in band

Precipitation History

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39.8311, -88.9764

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DATA · USGS · NOAA · NWSUPDATED 2026-07-06 00:00 UTC

Site #05573540·USGS

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