USGS Surface Water for USA: Peak Streamflow

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Peak Streamflow for the Nation

USGS 08181500 Medina Rv at San Antonio, TX

Bexar County, Texas

Hydrologic Unit Code 121003020509

Latitude 29°15'50", Longitude 98°29'26" NAD27

Drainage area 1,317.0 square miles

Contributing drainage area 1,317.0 square miles

Gage datum 451.16 feet above NAVD88

U.S. Department of the Interior | U.S. Geological Survey
Title: Surface Water for USA: Peak Streamflow
URL: https://staging.waterdata.usgs.gov/nwis/peak?

Page Contact Information: USGS Water Data Support Team
Page Last Modified: 2026-01-19 09:41:51 EST
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