USGS Surface Water for USA: Streamflow Measurements

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Explore the NEW USGS National Water Dashboard interactive map to access real-time water data from over 13,500 stations nationwide.

Streamflow Measurements for the Nation

342300118040001 004N011W31CS01S

Los Angeles County, California

Hydrologic Unit Code 18070102

Latitude 34°23'44.0", Longitude 118°04'28.4" NAD83

Land-surface elevation 4,726 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: 2025-09-07 03:49:40 EDT
1.12 1.02 vaww02