USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

Available data for this site

Los Angeles County, California

Hydrologic Unit Code 18070106

Latitude 34°06'44", Longitude 117°58'07" NAD27

Drainage area 236 square miles

Gage datum 402.38 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://waterdata.usgs.gov/nwis/measurements?

Page Contact Information: California Water Data Support Team
Page Last Modified: 2025-10-24 08:56:39 EDT
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11085000 SAN GABRIEL R BL SANTA FE DAM NR BALDWIN PK CA