USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

Contra Costa County, California

Hydrologic Unit Code 18040003

Latitude 38°03'21", Longitude 121°40'01" NAD83

**Period of record**
Begin Date	End Date	Count
2006-08-10	2024-09-26	751

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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: 2024-11-22 00:51:56 EST
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