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

Streamflow measurement pages will be decommissioned in early 2026. Please find the modernized pages in WDFN that suit you best. Learn more about our modernization plans and timeline and new pages.

Available data for this site

San Bernardino County, California

Hydrologic Unit Code 18100100

Latitude 35°03'31", Longitude 115°12'54" NAD27

Land-surface elevation 4,440.00 feet above NGVD29

Spring discharges from the Basin and Range basin-fill aquifers (N100BSNRGB) national aquifer.

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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: 2025-12-09 13:41:42 EST
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