USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

05455100 Old Mans Creek near Iowa City, IA

Johnson County, Iowa

Hydrologic Unit Code 07080209

Latitude 41°36'23.06", Longitude 91°36'56.6" NAD83

Drainage area 201 square miles

Gage datum 637.32 feet above NAVD88

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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: 2025-09-06 17:19:19 EDT
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