River gauges›Illinois
RIVER GAUGE · DES PLAINES RIVER

Des Plaines River near Lemont

Will County, Illinois

Water level5.89 ft
Flow492 cfs
Last readingSep 16, 2026, 5:00 PM UTC (last recorded)
Action9.5 ft
Minor flood10 ft
Moderate flood13 ft
Major flood15 ft

The past week

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What floods at each level

Highest crests on record

DateLevelFlow
May 17, 202013.24 ft10,800 cfs
Apr 18, 201312.58 ft7,480 cfs
Oct 14, 201712.41 ft7,200 cfs

When the water runs low

More on Des Plaines River

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