USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

Humboldt County, California

Hydrologic Unit Code 18010106

Latitude 40°21'17", Longitude 123°55'21" NAD27

Drainage area 689 square miles

**Period of record**
Begin Date	End Date	Count
2015-08-24	2015-08-24	1

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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: California Water Data Support Team
Page Last Modified: 2025-09-06 14:28:37 EDT
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