USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

08106310 San Gabriel Rv nr Rockdale, TX

Milam County, Texas

Hydrologic Unit Code 12070205

Latitude 30°43'39", Longitude 97°02'19" NAD27

Drainage area 1,359 square miles

Contributing drainage area 1,359 square miles

Gage datum 311.59 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: Texas Water Data Support Team
Page Last Modified: 2025-09-11 02:33:11 EDT
1.43 1.33 vaww02