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

403837121280701 BIG SPRING NR OLD STATION CA

Shasta County, California

Hydrologic Unit Code 18020003

Latitude 40°38'37.9", Longitude 121°28'07.8" NAD83

Gage datum 4,595 feet above NGVD29

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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: 2025-11-26 20:35:48 EST
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