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The Southwest Region ranges from the Colorado Rockies to the Gulf Coast and the Western Deserts to the Great Plains. The Southwest Region conducts multi- and interdisciplinary research and monitoring in locations across the Region, the United States, around the world, and across our solar system.

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Image: USGS Streamgage near Carrollton, Texas.
April 13, 2016

USGS Streamgage near Carrollton, Texas.

Modern-day USGS streamgage at Elm Fork Trinity River near Carrollton, Texas.

Image: USGS Streamgage near Junction, Texas
April 13, 2016

USGS Streamgage near Junction, Texas

A modern 21st century version of a streamgage structure.

Image: USGS Streamgage in Dallas, Texas
April 13, 2016

USGS Streamgage in Dallas, Texas

This 2014 photo shows the new location of the USGS streamgage that measures high flows on the Trinity River in Dallas. The gage was once located on a pier, but in 1975 was moved next to the stream. 

Image: 1955 USGS streamgage near Carrollton, Texas
April 13, 2016

1955 USGS streamgage near Carrollton, Texas

Nearly completed construction of a streamgage structure in 1955 at Elm Fork Trinity River near Carollton, Texas.

Image: USGS streamgage in 1940 near Derby, Texas
April 13, 2016

USGS streamgage in 1940 near Derby, Texas

In the earlier years of streamgaging, large “stilling wells” were constructed to contain the equipment needed to collect streamflow data. Historically, most of the streamflow equipment may have been located in these large structures, which were placed in the middle or next to the stream.

Image: Oldest version of a USGS streamgage in Texas
April 13, 2016

Oldest version of a USGS streamgage in Texas

A close-up view of the top part of one of the oldest streamgage structures constructed in Texas.

Image: Oldest version of a USGS streamgage in Texas
April 13, 2016

Oldest version of a USGS streamgage in Texas

One of the oldest versions of a streamgage structure constructed in Texas.

Image: Early USGS streamgage in Texas
April 13, 2016

Early USGS streamgage in Texas

Looking upstream from gage site at Trinity River at Commerce Street Bridge.

Image: Early USGS streamgage in Dallas, Texas
April 13, 2016

Early USGS streamgage in Dallas, Texas

This 1922 photo shows an early USGS streamgage on the Trinity River in Dallas.

A family enjoys paddleboarding at Schreiner Park during spring break in Kerrville, Texas.
March 17, 2016

Paddle Boarding on the Guadalupe River

Cool, clear rivers of the Texas Hill Country attract visitors for many recreational opportunities. Here, a family enjoys paddleboarding at Schreiner Park during spring break in Kerrville, Texas.

The new USGS Texas Water Dashboard is a cutting-edge USGS map that provides critical current water information and National Weather Service forecast data at your fingertips

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March 12, 2016

USGS Measures Historic Flooding in eastern Texas

A USGS field crew takes flood measurements on the Sabine River on March 12 near Bon Weir, Texas. USGS scientists on the boat included Jeff East, Jimmy Hopkins, and Jody Avant.

Image: USGS Measures Historic Flooding in eastern Texas
March 12, 2016

USGS Measures Historic Flooding in eastern Texas

USGS scientist Jimmy Hopkins takes a streamflow measurement on the Sabine River on March 12 near Bon Weir, Texas.

Filter Total Items: 167
USGS
June 16, 2014

The 2006 prohibition on the use of coal-tar-based pavement sealants in Austin, Texas, has resulted in a substantial reduction in polycyclic aromatic hydrocarbons (PAHs), according to a new study by the U.S. Geological Survey.

Lidar image showing the upper parts of the landslide that occurred in northwest Washington on March 22, 2014.
May 14, 2014

Want to know how elevation will benefit your state? The USGS National Geospatial Program is advancing the 3D Elevation Program, known as 3DEP, in response to the growing need for high-quality three-dimensional representations of the Nation’s natural and constructed features.

USGS science for a changing world logo
February 25, 2014

An increase in pumping water year-round for the next 30 years may cause groundwater levels to decrease by as much as 32 feet in parts of the Edwards-Trinity Aquifer in west Texas, according to a new study by the U.S. Geological Survey.

Image: Dead Fish Washed Ashore during Golden Alga Toxic Bloom
January 17, 2014

The causes of toxic golden algal blooms in Texas reservoirs are now better understood, according to a new study by the U.S. Geological Survey.

USGS
December 19, 2013

Secretary of the Interior Sally Jewell announced today that Interior’s South Central Climate Science Center is awarding about $1.2 million to universities and other partners for research to guide managers of parks, refuges and other cultural and natural resources in planning how to help species and ecosystems adapt to climate change.

USGS
November 1, 2013

USGS field crews are measuring flooding in parts of central Texas following intense rainfall.

USGS
April 9, 2013

The release of new maps covering Texas and New York continues the US Topo revisions, updates and product improvement
 

USGS
February 22, 2013

The U.S. Geological Survey has released a new report detailing changes of groundwater levels in the High Plains Aquifer. The report presents water-level change data in the aquifer in two separate periods: from 1950–the time prior to significant groundwater irrigation development–to 2011, and 2009 to 2011. 

USGS
February 1, 2012

Groundwater withdrawals for crop irrigation have increased to over 16 million acre-feet per year in the High Plains Aquifer, according to a recent U.S. Geological Survey study.

USGS science for a changing world logo
September 21, 2011

More than 40 years ago, release of the original geologic map of Big Bend National Park drew nature enthusiasts, scientists, historians and adventurers to this diverse and desolate terrain along the Texas/Mexico border. 

USGS science for a changing world logo
August 23, 2011

A magnitude-5.3 earthquake rattled southern Colorado Monday, August 22, at 11:46PM MDT, causing strong shaking, but minor damage, and was felt throughout the state of Colorado and neighboring states. The USGS Prompt Assessment of Global Earthquakes for Response (PAGER) system issued a Green Alert, indicating a low probability for fatalities or significant economic losses.