USGS Surface Water for USA: Peak Streamflow

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Peak Streamflow for the Nation

USGS 05586745 MACOUPIN CREEK AT HWY 111 NR SUMMERVILLE, IL

Macoupin County, Illinois

Hydrologic Unit Code 07130012

Latitude 39°12'16", Longitude 90°06'02" NAD83

Drainage area 380.8 square miles

Water Year	Date	Gage Height (feet)	Stream- flow (cfs)
2018	2018-08-24	16.85	2,450
2019	2019-05-03	25.54	7,270
2020	2020-01-12	27.49	8,650
2021	2021-03-20	21.62	4,800

U.S. Department of the Interior | U.S. Geological Survey
Title: Surface Water for USA: Peak Streamflow
URL: https://nwis.waterdata.usgs.gov/nwis/peak?

Page Contact Information: USGS Water Data Support Team
Page Last Modified: 2025-07-06 19:26:14 EDT
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