USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

Alameda County, California

Hydrologic Unit Code 18050004

Latitude 37°41'26", Longitude 121°52'20" NAD27

Drainage area 142 square miles

Gage datum 335 feet above NGVD29

**Period of record**
Begin Date	End Date	Count
2000-01-25	2017-02-22	3

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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: 2025-11-18 18:18:38 EST
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