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

06604215 East-West Okoboji Lake Channel near Milford, IA

Dickinson County, Iowa

Hydrologic Unit Code 10230003

Latitude 43°22'37.93", Longitude 95°07'40.57" NAD27

Drainage area 125 square miles

Gage datum 1,389.91 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: 2025-09-11 22:30:18 EDT
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