Unified Interior Regions

Texas

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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A water-quality-sampling truck is parked next to a well for sample collection
December 16, 2013

Collecting a sample of groundwater

This well is being sampled for water-quality constituents as part of the NAWQA Enhanced Trend Network project.

Equipment and materials for collection of a water-quality sample are set up next to a groundwater well
December 16, 2013

Set up to sample groundwater quality

This well is being sampled for water-quality constituents as part of the NAWQA Enhanced Trend Network project.

Large-volume public supply well
November 14, 2013

Large-volume public supply well

A large-volume public supply well in San Antonio, Texas.  This well is being sampled for water-quality constituents as part of the NAWQA Enhanced Trend Network project.

Water sprays from a sampling point for collection of a groundwater-quality sample
November 13, 2013

Collecting a groundwater-quality sample

This well is being sampled for water-quality constituents as part of the NAWQA Enhanced Trend Network project.

Image: USGS Responds to Near Record Flooding in Central Texas
October 31, 2013

USGS Responds to Near Record Flooding in Central Texas

USGS scientists Craig Weiss and Michael Scheider make a streamflow measurement at Onion Creek at U.S. Highway 183 in Austin, TX.

 

Image: USGS Responds to Near Record Flooding in Central Texas
October 31, 2013

USGS Responds to Near Record Flooding in Central Texas

USGS scientist Monica Langhorst measures gage height with a wire weight at Onion Creek at U.S. Highway 183 in Austin, TX.

 

Image: USGS Responds to Near Record Flooding in Central Texas
October 31, 2013

USGS Responds to Near Record Flooding in Central Texas

USGS scientist Monica Langhorst measures gage height with a wire weight at Onion Creek at U.S. Highway 183 in Austin, TX.

 

Image: USGS Responds to Near Record Flooding in Central Texas
October 31, 2013

USGS Responds to Near Record Flooding in Central Texas

USGS scientist Mark Warzecha makes a streamflow measurement with Acoustic Doppler Current Profiler downstream of a USGS streamgage station on the Blanco River at Interstate 35. The streamgage is not currently accessible, so a measurement is being made at the safest downstream location. 

 

August 27, 2013

Water-level Change in the High Plains Aquifer System

In 1986, Congress directed the USGS to regularly report groundwater-level changes in the High Plains aquifer system. To comply with this directive, the USGS compares water levels measured every two years. By measuring water levels across the entire aquifer in one year, measurements made two years later enable calculation of changes over time. Measured water levels from

July 29, 2013

Climate, Water Quality, Toxic Blooms of Golden Alga in Texas

This webinar, Climate, Water Quality, Toxic Blooms of Golden Alga in Texas, was presented by Reynaldo Patino from the USGS Texas Cooperative Fish and Wildlife Research Unit.

Collection of a suspended-sediment sample by hydrologic technicians at U.S. Geological Survey station 08185000 Cibolo Creek.
May 25, 2013

Collecting suspended-sediment sample, Cibolo Ck., Tex.

Collection of a suspended-sediment sample by hydrologic technicians at U.S. Geological Survey station 08185000 Cibolo Creek at Selma, Texas, on May 25, 2013. The technician in the foreground is using a smart phone to check peak discharge at the site during the flood by accessing http://m.waterdata.usgs.gov (

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Photo of two of the main spring discharge points of Comal springs.
April 11, 2013

Two of the main spring discharge points of Comal springs, Texas

Two of the main spring discharge points of Comal springs.

A new website now provides important information about streamflow in the Comal and San Marcos Rivers and springflow at Comal and San Marcos Springs.

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USGS
September 24, 1998

U.S. Geological Survey (USGS) scientist, Katherine Kendall, will be awarded the National Park Service’s Natural Resource Research Award on September 28, at the Service’s annual Natural Resources Stewardship and Science Meeting in Austin, Texas.

USGS
April 16, 1998

A 5-year study of water quality in the Rio Grande Valley, from its headwaters in Colorado to near El Paso, Texas, has been completed by the U.S. Geological Survey (USGS). The study focused on ground water in the flood plain of the Rio Grande and surface water in the Rio Grande and selected tributaries.

USGS
November 21, 1996

The gasoline additive MTBE (methyl tert-butyl ether) was detected in some urban stormwater samples collected in 16 cities and metropolitan areas by the U.S. Geological Survey, but all detections of MTBE were less than the lower limit of the U.S. Environmental Protection Agency’s draft lifetime health advisory for drinking water.