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

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

Llano County, Texas

Hydrologic Unit Code 12090204

Latitude 30°45'04", Longitude 98°40'10" NAD27

Drainage area 4,197 square miles

Contributing drainage area 4,192 square miles

Gage datum 970.08 feet above NAVD88

**Period of record**
Begin Date	End Date	Count
1939-05-16	2024-10-09	1150

Choose Output Format

Retrieve Streamflow measurement data for Selected Sites
Choose one of the following options for displaying data for the sites meeting the criteria above

Retrieve data from: to: (YYYY-MM-DD -- Blank = all data)

Graphs of data

Table of data

Tab-separated data *

* Save compressed files with a .gz file extension.

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: 2024-11-21 08:56:03 EST
0.23 0.23 sdww01