Waterlands
Illinois River
USACE · mvr:IL05.Flow.Inst.30Minutes.0.rev
ILLINOIS RIVER
USACE · mvr:IL05.Flow.Inst.30Minutes.0.revLIVE

Illinois River Marseilles LD

LASALLE COUNTY, IL41.3284°N, -88.7551°W Updated 3 hr ago
FLOW RATE
6,276.2cfs
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 DAY
6,276.2cfs
Optimal band: 4,258–5,761 cfs
PERIOD HIGH
6,846.5cfs
PERIOD LOW
2,335.5cfs
RUNNABLE
32%
last 1 day in band
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Station Location

41.3284, -88.7551
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DATA · USACE · NOAA · NWSUPDATED 2026-10-16 19:00 UTC
Site #mvr:IL05.Flow.Inst.30Minutes.0.rev·USACE

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