NB CHICAGO RIVER AT N PULASKI ROAD AT CHICAGO, IL

ILLINOIS41.9747°N, -87.7283°W Updated 13 hr ago

FLOW RATE

143cfs

GAUGE HT

11.68ft

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 DAY

143cfs 91.0% vs avg

Optimal band: 94–128 cfs

PERIOD HIGH

641cfs

PERIOD LOW

20cfs

RUNNABLE

16%

last 30 day in band

Gauge Height

11.68ft

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41.9747, -87.7283

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DATA · USGS · NOAA · NWSUPDATED 2026-09-01 00:00 UTC

Site #05536085·USGS

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