USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

Union County, Iowa

Hydrologic Unit Code 07100008

Latitude 40°56'00", Longitude 94°06'00" NAD27

Drainage area 68.00 square miles

**Period of record**
Begin Date	End Date	Count
1958-10-13	1977-07-19	21

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

Page Contact Information: Iowa Water Data Support Team
Page Last Modified: 2025-09-04 08:29:46 EDT
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