CALUMET UNION DRAINAGE CANAL NEAR MARKHAM, IL

ILLINOIS41.5970°N, -87.6657°W Updated 23 min ago

FLOW RATE

4.54cfs

GAUGE HT

2.46ft

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

4.54cfs 157.9% vs avg

Optimal band: 5–6 cfs

PERIOD HIGH

80.9cfs

PERIOD LOW

2.58cfs

RUNNABLE

last 1 day in band

Gauge Height

2.46ft

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41.5970, -87.6657

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DATA · USGS · NOAA · NWSUPDATED 2026-10-16 23:30 UTC

Site #05536310·USGS

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