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°36'36", Longitude 122°04'58" NAD27

Gage datum 10 feet above NGVD29

**Period of record**
Begin Date	End Date	Count
1998-10-22	2000-01-25	4

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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: 2025-11-22 17:05:24 EST
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