USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

Henry County, Illinois

Hydrologic Unit Code 07090007

Latitude 41°29'20.16", Longitude 9°09'28.83" NAD83

Drainage area 1,003 square miles

Gage datum 577.68 feet above NAVD88

**Period of record**
Begin Date	End Date	Count
1972-10-16	2024-10-09	444

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

Page Contact Information: Illinois Water Data Support Team
Page Last Modified: 2024-11-24 03:59:52 EST
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