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

11528700 SF TRINITY R BL HYAMPOM CA

Trinity County, California

Hydrologic Unit Code 18010212

Latitude 40°39'00", Longitude 123°29'35" NAD27

Drainage area 764 square miles

Gage datum 1,211.96 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://nwis.waterdata.usgs.gov/nwis/measurements?

Page Contact Information: California Water Data Support Team
Page Last Modified: 2025-06-09 18:11:20 EDT
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