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Fact Sheet 2011–3001

How Does a U.S. Geological Survey Streamgage Work?

By Dee L. Lurry

Thumbnail of and link to Fact Sheet PDF (675 kB)

Information on the flow of rivers and streams is a vital national asset that safeguards lives, protects property, and ensures adequate water supplies for the future. The U.S. Geological Survey (USGS) operates a network of more than 9,000 streamgages nationwide with more than 500 in Texas.

First posted January 6, 2011

For additional information contact:
Director, Texas Water Science Center
U.S. Geological Survey
1505 Ferguson Lane
Austin, TX 78754-4501

This report is presented in Portable Document Format (PDF); the latest version of Adobe Reader or similar software is required to view it. Download the latest version of Adobe Reader, free of charge.

Suggested citation:

Lurry, D.L., 2011, How does a U.S. Geological Survey streamgage work?: U.S. Geological Survey Fact Sheet 2011–3001, 2 p.


How Streamflow Is Measured

The Relation of Height to Streamflow

Making Discharge Measurements

Streamflow Data on the Internet


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