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

12054650 UNNAMED TRIB TO HAMMA HAMMA RIVER NEAR ELDON, WA

Mason County, Washington

Hydrologic Unit Code 17110018

Latitude 47°35'03", Longitude 123°05'07" NAD27

Drainage area 0.51 square miles

Gage datum 550 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: Washington Water Data Support Team
Page Last Modified: 2025-09-06 04:38:59 EDT
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