CALUMET UNION DRAINAGE CANAL NEAR MARKHAM, IL

HARVEY, IL41.5970°N, -87.6657°W Updated 17 min ago

FLOW RATE

4.92cfs

GAUGE HT

2.48ft

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

4.92cfs 164.0% vs avg

Optimal band: 5–7 cfs

PERIOD HIGH

80.9cfs

PERIOD LOW

2.58cfs

RUNNABLE

15%

last 1 day in band

Gauge Height

2.48ft

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41.5970, -87.6657

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DATA · USGS · NOAA · NWSUPDATED 2026-10-16 22:00 UTC

Site #05536310·USGS

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