River gauges›Illinois
RIVER GAUGE · NORTH BRANCH CHICAGO RIVER

North Branch Chicago River at Niles

Cook County, Illinois

Water level1.22 ft
Flow66 cfs
Last readingSep 16, 2026, 4:30 PM UTC (last recorded)
Action7 ft
Minor flood10 ft
Moderate flood11 ft
Major flood12 ft

The past week

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What floods at each level

Highest crests on record

DateLevelFlow
Sep 13, 200812.13 ft3,340 cfs
Apr 17, 201312.12 ft3,330 cfs
Aug 13, 198711.35 ft2,590 cfs

When the water runs low

More on North Branch Chicago River

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