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

01621470 BLACKS RUN AT RT 704 NEAR MOUNT CRAWFORD, VA

Rockingham County, Virginia

Hydrologic Unit Code 02070005

Latitude 38°22'43", Longitude 78°55'42" NAD27

Drainage area 18.8 square miles

Gage datum 1,170 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: Virginia Water Data Support Team
Page Last Modified: 2025-09-05 20:08:46 EDT
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