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

04160050 BLACK RIVER NEAR PORT HURON, MI

St. Clair County, Michigan

Hydrologic Unit Code 04090001

Latitude 42°59'24", Longitude 82°32'16" NAD27

Drainage area 684 square miles

Gage datum 574.42 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: Michigan Water Data Support Team
Page Last Modified: 2025-09-22 18:27:33 EDT
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