RIVER GAUGE · ILLINOIS RIVER
Illinois River at Peoria Lock and Dam
Peoria County, Illinois
Water level432.71 ft
Flow6,350 cfs
Last readingSep 16, 2026, 3:00 PM UTC (last recorded)
Action444 ft
Minor flood447 ft
Moderate flood449 ft
Major flood455 ft
The past week
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Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Apr 22, 2013 | 456.57 ft | — |
| May 23, 1943 | 455.9 ft | -9,999 cfs |
| Mar 22, 1979 | 455.8 ft | -9,999 cfs |
More on Illinois River
UpstreamIllinois River at Peoria
DownstreamIllinois River near Havana
Illinois River at Beardstown
Illinois River at Dresden Lock (tailwater)
Illinois River at Hardin
Illinois River near Havana
Illinois River near Henry
Illinois River near La Salle
Illinois River at Marseilles Lock (tailwater)
Illinois River at Morris
Illinois River at Meredosia
Illinois River at Marseilles
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