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

04135001 THUNDER BAY SPILLWAY NEAR ALPENA, MI

Alpena County, Michigan

Hydrologic Unit Code 04070006

Latitude 45°05'39", Longitude 83°29'59" NAD27

Gage datum 618 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: Michigan Water Data Support Team
Page Last Modified: 2025-09-03 12:16:37 EDT
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