USGS Surface Water for USA: Streamflow Measurements

USGS Home
Contact USGS
Search USGS

USGS Water Resources

Data Category:
Geographic Area:

Warning: Javascript must be enabled to use all the features on this page!

Page Loading - Please Wait...

Click to hideNews Bulletins

Due to a lapse in government funding, the majority of USGS websites will not be updated except to provide important public safety information. Websites displaying real-time water data will be updated with limited support. For more information please see www.doi.gov/shutdown.
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

Available data for this site

Hydrologic Unit Code 12100302

Latitude 29°19'47", Longitude 98°35'02" NAD27

Drainage area 219 square miles

Contributing drainage area 219 square miles

Gage datum 573.49 feet above NGVD29

**Output formats**
HTML table with channel data
HTML table without channel data
Tab-separated data with channel data
Tab-separated data without channel data
Graph of data
Reselect output format

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: 2025-10-22 11:26:17 EDT
1.3 1.15 sdww01

08181480 Leon Ck at IH 35, San Antonio, TX