USGS Surface Water for USA: Streamflow Measurements

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Explore the NEW USGS National Water Dashboard interactive map to access real-time water data from over 13,500 stations nationwide.

Streamflow Measurements for the Nation

05461500 Shell Rock River near Clarksville, IA

Butler County, Iowa

Hydrologic Unit Code 07080202

Latitude 42°47'25", Longitude 92°41'15" NAD27

Drainage area 1,626.00 square miles

Gage datum 916.00 feet above NGVD29

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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: 2025-09-05 02:31:13 EDT
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