Unified Interior Regions

Region 6: Arkansas-Rio Grande-Texas-Gulf

Regions L2 Landing Page Tabs

Filter Total Items: 88
Province 5044 Permian Basin Oil and Gas Assessments
Date Published: November 1, 2018
Status: Active

Permian Basin Oil and Gas Assessments

The USGS has conducted several assessments of undiscovered oil and gas in formations in the Permian Basin of western Texas.  This inlcudes the following:

Extent of Gulf Coast Petroleum System Project and Oil and Gas Wells
Date Published: August 9, 2018
Status: Active

Gulf Coast Petroleum Systems Project - Assessments

This site highlights the assessments of the Gulf Coast Petroleum Systems Project.   Scientifically robust assessments of undiscovered, technically recoverable hydrocarbon resources are published in a variety of USGS publications.  This project also conducts research on the processes that impact the formation, accumulation, occurrence and alteration of hydrocarbon energy resources (...

 McFaddin Project D1 site boundary with 4 ground control points
Date Published: June 18, 2018
Status: Active

Using Unmanned Aerial Systems (UAS) Capabilities to Help Identify Hummock-Hollow Formation and Fragmentation in Critical Marsh Habitat for Mottled Ducks

For many years, coastal marshes in Texas and Louisiana have served as critical habitat for the mottled duck (Anas fulvigula), which is considered a priority species in the Texas/Louisiana Gulf Coast area.

Photo of Bird Bands in a Variety of Sizes and Types
Date Published: May 1, 2018
Status: Active

Bird Banding Laboratory

The Bird Banding Laboratory (BBL) is an integrated scientific program established in 1920 supporting the collection, archiving, management and dissemination of information from banded and marked birds in North America.  This information is used to monitor the status and trends of resident and migratory bird populations. Because birds are good indicators of the health of the environment, the...

Photo Highlighting Predicted Erosion and Inundation areas in Texas
Date Published: February 1, 2018
Status: Completed

Hurricane Harvey - Forecast and Documentation of Coastal Change

Hurricane Harvey coastal change forecast and pre- and post-storm photos documenting coastal change.

Oblique aerial photograph near Rodanthe, NC, looking south along the coast on August 30, 2011, three days after landfall of Hurr
Date Published: January 18, 2018
Status: Active

National Assessment of Storm-Induced Coastal Change Hazards

This project focuses on understanding the magnitude and variability of extreme storm impacts on sandy beaches. The overall objective is to improve real-time and scenario-based predictions of coastal change to support management of coastal infrastructure, resources, and safety. 

Contacts: Kara Doran
coastal vulnerability of sea-level rise map
Date Published: January 18, 2018
Status: Active

National Assessment of Coastal Vulnerability to Sea Level Rise

The original national coastal vulnerability index (CVI) assessment was motivated by expected accelerated sea-level rise (SLR) and the uncertainty in the response of the coastline to SLR. This research was conducted between 1999 and 2001, and is currently being updated using new data sources and methodology. This original study was part of the ...

Oblique aerial photograph looking to the southwest along the southern end of Cedar Island, Virginia
Date Published: January 18, 2018
Status: Active

Long-Term Coastal Change

Goals of this task include developing and improving coastal-change assessments and supporting long-term planning and decision making to ensure sustainable coastal economies, infrastructure, and ecosystems.

Moss-draped oak in the Columbia Bottomlands
Date Published: December 11, 2017
Status: Active

Use of Remote Sensing Data to Quantify Bird and Bat Distributions and Inform Migratory Bird Conservation Efforts

Three federal wildlife refuge complexes on the upper Texas coast include portions of the Columbia Bottomlands and other forests that are important for migratory birds and possibly bats: Texas Mid-Coast, Trinity River, and Chenier Plain.

A perspective model of the morphology and geologic framework near Petit Bois Island showing the relationships between seafloor f
Date Published: December 7, 2017
Status: Active

Geologic and Morphologic Evolution of Coastal Margins

A combination of geophysics, sediment sampling, and chronology techniques are used to characterize the regional geomorphologic response of coastal systems to environmental changes.

Gulf of Mexico Dashboard USGS Obsservation Stations
Date Published: December 5, 2017
Status: Active

The Gulf of Mexico Water Dashboard: Cross-Center Collaboration Brings Real-time, USGS Water Data to the Gulf Coast through a Spatially Enabled Mapping Application

The USGS Southeast Regional Office has funded a cross-center collaboration between the Wetland and Aquatic Research Center and the Texas Water Science Center for the development of the Gulf of Mexico Water Dashboard. The objective of this effort is to expand the Texas Water Dashboard platform to include the coastal regions of the five Gulf states: Texas, Louisiana, Mississippi, Alabama, and...

Filter Total Items: 42
OK surface-water example
April 13, 2017

Real-time and historical streamflow data collected throughout Oklahoma.

OK groundwater example
April 13, 2017

Current and historical groundwater data for Oklahoma.

OK qw example
April 13, 2017

Current and historical water-quality data for Oklahoma.

OK lake example
April 13, 2017

Real-time and historical lake-level data for Oklahoma.

OK flood table example
January 1, 2017

Access recent flood and stage data for streams and rivers throughout Oklahoma.

USGS
August 4, 2016

These data are part of a larger USGS project to develop an updated geospatial database of mines, mineral deposits and mineral regions in the United States. Mine and prospect-related symbols, such as those used to represent prospect pits, mines, adits, dumps, tailings, etc., hereafter referred to as “mine” symbols or features, are currently being digitized on a st

Structure datasets for the nation from The National Map
April 20, 2016

USGS data portray selected structures data, including the location and characteristics of manmade facilities. Characteristics consist of a structure's physical form (footprint), function, name, location, and detailed information about the structure. The types of structures collected are largely determined by the needs of the disaster planning and response and homeland security organizations.

3D Lidar Point Cloud Image of San Francisco Bay and Golden Gate Bridge
April 19, 2016

The USIEI is a comprehensive, nationwide listing of known high-accuracy topographic and bathymetric data for the United States and its territories. The project is a collaborative effort of the USGS and NOAA with contributions from other federal agencies. The inventory supports the 3D Elevation Program and the Integrated Ocean and Coastal Mapping effort. This resource is updated in Spring and Fall.

Filter Total Items: 1,576
Publication Thumbnail
Year Published: 2019

Summary of climatic, geographic, geologic, and available hydrologic data and identification of data gaps for the Black Bear Creek watershed of the Pawnee Nation Tribal Jurisdictional Area, Oklahoma

The Pawnee Nation is compiling a comprehensive water-management plan for the Pawnee Nation Tribal Jurisdictional Area in north-central Oklahoma. One of the first steps needed in preparing such a plan is a summary and analysis of available hydrologic data and reports that have been published for the area. In phase I of a three-phase, watershed-...

Varonka, Matthew S.
Varonka, M.S., 2019, Summary of climatic, geographic, geologic, and available hydrologic data and identification of data gaps for the Black Bear Creek watershed of the Pawnee Nation Tribal Jurisdictional Area, Oklahoma: U.S. Geological Survey Scientific Investigations Report 2019–5043, 39 p., https://doi.org/10.3133/sir20195043.

Publication Thumbnail
Year Published: 2019

Water resources of Tensas Parish, Louisiana

Information concerning the availability, use, and quality of water in Tensas Parish, Louisiana, is critical for proper water-supply management. The purpose of this fact sheet is to present information that can be used by water managers, parish residents, and others for stewardship of this vital resource. In 2014, 38.01 million gallons...

White, Vincent E.
White, V.E., 2019, Water resources of Tensas Parish, Louisiana: U.S. Geological Survey Fact Sheet 2019–3004, 6 p., https://doi.org/10.3133/fs20193004.

Publication Thumbnail
Year Published: 2019

Characterizing groundwater/surface-water interaction using hydrograph-separation techniques and groundwater-level data throughout the Mississippi Delta, USA

The Mississippi Delta, located in northwest Mississippi, is an area dense with industrial-level agriculture sustained by groundwater-dependent irrigation supplied by the Mississippi River Valley Alluvial aquifer (alluvial aquifer). The Delta provides agricultural commodities across the United States and around the world. Observed declines in...

Killian, Courtney D.; Asquith, William H.; Barlow, Jeannie R. B.; Bent, Gardner C.; Kress, Wade H.; Barlow, Paul M.; Schmitz, Darrel W.

Publication Thumbnail
Year Published: 2019

Adjudicating groundwater: A judge’s guide to understanding groundwater and modeling

Dividing the Waters offers this groundwater science bench book that cannot be matched by any other scientific or judicial publication.  Adjudicating Groundwater combines the expertise and experience of academic scientists (UC Davis/Stanford), federal scientists (U.S. Geological Survey), and judicial officers to create a...

Brandt, Alf; Fienen, Michael N.; White, Jeremy; Harter, Thomas; Moran, Tara; Wildman, Eric

Publication Thumbnail
Year Published: 2019

Preferential groundwater seepage in karst terrane inferred from geoelectric measurements

The Ellenburger–San Saba aquifer discharges spring flows into the overlying Hamilton Creek bed in Burnet County, central Texas. The aquifer is susceptible to contamination from surface‐water reservoirs because of the presence of dissolution cavities that are hydraulically connected to the reservoirs in some locations. There is concern that...

Ikard, Scott; Pease, Emily

Publication Thumbnail
Year Published: 2018

Simulation of groundwater flow and analysis of projected water use for the Rush Springs aquifer, western Oklahoma

The U.S. Geological Survey, in cooperation with the Bureau of Reclamation and the Oklahoma Water Resources Board, (1) quantified the groundwater resources of the Rush Springs aquifer in western Oklahoma by developing a numerical groundwater-flow model, (2) evaluated the effects of estimated equal-proportionate-share (EPS) pumping rates on aquifer...

Ellis, John
Ellis, J.H., 2018, Simulation of groundwater flow and analysis of projected water use for the Rush Springs aquifer, western Oklahoma: U.S. Geological Survey Scientific Investigations Report 2018–5136, 156 p., https://doi.org/10.3133/sir20185136.

Publication Thumbnail
Year Published: 2018

Land-cover changes associated with oil and natural-gas production and concentrations of selected constituents in surface-water and streambed-sediment samples collected upstream from and within an area of oil and natural-gas production, south Texas, 2008–17

The extensive development of oil and natural-gas resources in south Texas during the past 10 years has led to questions regarding possible environmental effects of processes associated with oil and natural-gas production, in particular the process of hydraulic fracturing, on water and other natural resources. Part of the lower San Antonio River...

Crow, Cassi L.; Opsahl, Stephen P.; Pedraza, Diana E.; Pease, Emily C.; Kushnereit, Ross K.
Crow, C.L., Opsahl, S.P., Pedraza, D.E., Pease, E.C., and Kushnereit, R.K., 2018, Land-cover changes associated with oil and natural-gas production and concentrations of selected constituents in surface-water and streambed-sediment samples collected upstream from and within an area of oil and natural-gas production, south Texas, 2008–17: U.S. Geological Survey Scientific Investigations Report 2018–5119, 52 p., https://doi.org/10.3133/sir20185119.

Publication Thumbnail
Year Published: 2018

Geologic framework and hydrostratigraphy of the Edwards and Trinity aquifers within Hays County, Texas

The Edwards and Trinity aquifers are classified as major aquifers by the Texas Water Development Board and are major sources of water in south-central Texas, where Hays County is located. Detailed maps and descriptions of the geologic framework and hydrostratigraphic units (HSUs) of these karstic aquifers in Hays County are needed for water...

Clark, Allan K.; Pedraza, Diana E.; Morris, Robert R.
Clark, A.K., Pedraza, D.E., and Morris, R.R., 2018, Geologic framework and hydrostratigraphy of the Edwards and Trinity aquifers within Hays County, Texas: U.S. Geological Survey Scientific Investigations Map 3418, 1 sheet, scale 1:24,000, pamphlet, https://doi.org/10.3133/sim3418.

Publication Thumbnail
Year Published: 2018

Annual and approximately quarterly series peak streamflow derived from interpretations of indirect measurements for a crest-stage gage network in Texas through water year 2015

In 2006, the U.S. Geological Survey (USGS), incooperation with the Texas Department of Transportation,began collecting annual and approximately quarterly seriespeak-streamflow data at streamflow-gaging stations in smalltomedium-sized watersheds in central and western Texasas part of a crest-stage gage (CSG) network, along withselected flood-...

Asquith, William H.; Harwell, Glenn R.; Winters, Karl E.
Asquith, W.H., Harwell, G.R., and Winters, K.E., 2018, Annual and approximately quarterly series peak streamflow derived from interpretations of indirect measurements for a crest-stage gage network in Texas through water year 2015: U.S. Geological Survey Scientific Investigations Report 2018–5107, 24 p., https://doi.org/10.3133/sir20185107.

Publication Thumbnail
Year Published: 2018

New insights into surface-water/groundwater exchanges in the Guadalupe River, Texas, from floating geophysical methods

In south-central Texas, the amount of streamflow in the Guadalupe River is a primary concern for local and downstream communities because of municipal, agricultural, wildlife, and recreational uses. Understanding the flow paths and rates of exchange between the surface water in the river and the groundwater in the underlying Carrizo-Wilcox aquifer...

Ikard, Scott J.; Banta, J. Ryan; Stanton, Gregory P.
Ikard, S.J., Banta, J.R., and Stanton, G.P., 2018, New insights into surface-water/groundwater exchanges in the Guadalupe River, Texas, from floating geophysical methods: U.S. Geological Survey Fact Sheet 2018–3057, 4 p., https://doi.org/10.3133/fs20183057.

Publication Thumbnail
Year Published: 2018

Status of groundwater-level altitudes and long-term groundwater-level changes in the Chicot, Evangeline, and Jasper aquifers, Houston-Galveston region, Texas, 2018

Since the early 1900s, most of the groundwater withdrawals in the Houston-Galveston region, Texas, have been from the three primary aquifers that compose the Gulf Coast aquifer system—the Chicot, Evangeline, and Jasper aquifers. Withdrawals from these aquifers are used for municipal supply, industrial, and irrigation purposes. This report,...

Shah, Sachin D.; Ramage, Jason K.; Braun, Christopher L.
Shah, S.D., Ramage, J.K., and Braun, C.L., 2018, Status of groundwater-level altitudes and long-term groundwater-level changes in the Chicot, Evangeline, and Jasper aquifers, Houston-Galveston region, Texas, 2018: U.S. Geological Survey Scientific Investigations Report 2018–5101, 18 p., https://doi.org/10.3133/sir20185101.

Publication Thumbnail
Year Published: 2018

Characterization of peak streamflows and flood inundation of selected areas in southeastern Texas and southwestern Louisiana from the August and September 2017 flood resulting from Hurricane Harvey

Hurricane Harvey made landfall near Rockport, Texas, on August 25, 2017, as a Category 4 hurricane with wind gusts exceeding 150 miles per hour. As Harvey moved inland, the forward motion of the storm slowed down and produced tremendous rainfall amounts over southeastern Texas, with 8-day rainfall amounts exceeding 60 inches in some locations,...

Watson, Kara M.; Harwell, Glenn R.; Wallace, David S.; Welborn, Toby L.; Stengel, Victoria G.; McDowell, Jeremy S.
Watson, K.M., Harwell, G.R., Wallace, D.S., Welborn, T.L., Stengel, V.G., and McDowell, J.S., 2018, Characterization of peak streamflows and flood inundation of selected areas in southeastern Texas and southwestern Louisiana from the August and September 2017 flood resulting from Hurricane Harvey: U.S. Geological Survey Scientific Investigations Report 2018–5070, 44 p., https://doi.org/10.3133/sir20185070.

Filter Total Items: 265
Photograph showing Comal 1 spring run
December 31, 2017

Comal 1 spring run

Back cover photo from
Opsahl, S.P., Musgrove, M., Mahler, B.J., and Lambert, R.B., 2018, Water-quality observations of the San Antonio segment of the Edwards aquifer, Texas, with an emphasis on processes influencing nutrient and pesticide geochemistry and factors affecting aquifer vulnerability, 2010–16: U.S. Geological Survey Scientific Investigations Report 2018–

...
Photograph showing nitrate sensor at the Frio River at Concan, Tex.
December 31, 2017

Nitrate sensor at the Frio River at Concan, Tex.

Back cover photo from
Opsahl, S.P., Musgrove, M., Mahler, B.J., and Lambert, R.B., 2018, Water-quality observations of the San Antonio segment of the Edwards aquifer, Texas, with an emphasis on processes influencing nutrient and pesticide geochemistry and factors affecting aquifer vulnerability, 2010–16: U.S. Geological Survey Scientific Investigations Report 2018–

...
Photograph showing Comal spring run
December 31, 2017

Comal spring run

Cover background photo from
Opsahl, S.P., Musgrove, M., Mahler, B.J., and Lambert, R.B., 2018, Water-quality observations of the San Antonio segment of the Edwards aquifer, Texas, with an emphasis on processes influencing nutrient and pesticide geochemistry and factors affecting aquifer vulnerability, 2010–16: U.S. Geological Survey Scientific Investigations Report

...
Photograph showing Frio Stilling well
December 31, 2017

Frio Stilling well

Photo from pages 8 and 9 of
Opsahl, S.P., Musgrove, M., Mahler, B.J., and Lambert, R.B., 2018, Water-quality observations of the San Antonio segment of the Edwards aquifer, Texas, with an emphasis on processes influencing nutrient and pesticide geochemistry and factors affecting aquifer vulnerability, 2010–16: U.S. Geological Survey Scientific Investigations Report

...
Photograph showing dry Frio below Concan
December 31, 2017

Dry Frio below Concan

Photograph from page 19 of
Opsahl, S.P., Musgrove, M., Mahler, B.J., and Lambert, R.B., 2018, Water-quality observations of the San Antonio segment of the Edwards aquifer, Texas, with an emphasis on processes influencing nutrient and pesticide geochemistry and factors affecting aquifer vulnerability, 2010–16: U.S. Geological Survey Scientific Investigations Report

...
Photograph showing Helotes flood
December 31, 2017

Helotes flood

Page 67 photo from
Opsahl, S.P., Musgrove, M., Mahler, B.J., and Lambert, R.B., 2018, Water-quality observations of the San Antonio segment of the Edwards aquifer, Texas, with an emphasis on processes influencing nutrient and pesticide geochemistry and factors affecting aquifer vulnerability, 2010–16: U.S. Geological Survey Scientific Investigations Report 2018–5060

...
A crest stage gage in Texas.
November 17, 2017

A crest-stage gage provides a one-time measure of a flood peak height.

A Crest Stage Gage

Here is a low-tech device made of solely of a metal pipe, a wooden pole, and crushed cork that is invaluable to providing a one-time measurement of the maximum height (stage) that a stream hits during a high-water event.

Visit our

...
September 30, 2017

USGS Hurricane Preparedness

Before a hurricane, USGS Scientists undertake a data collection effort of a grand scale. They install a temporary mobile network of sensors along the coasts to collect additional data on the intensity of storm surge, one of the most dangerous elements of a hurricane. This effort provides critical information that allows various USGS partners and emergency responders to

...
Image shows a USGS scientist in a PFD taking a high-water measurement
September 11, 2017

Taking a High-Water Mark after Hurricane Harvey

USGS scientist Steve Hannes marks high water marks along the Colorado River after flooding from Hurricane Harvey in Wharton County, Texas.

Image shows a USGS scientist in a PFD taking a high-water measurement
September 11, 2017

Taking a High-Water Mark after Hurricane Harvey

USGS scientist Steve Hannes marks high water marks along the Colorado River after flooding from Hurricane Harvey in Wharton County, Texas.

Image shows a USGS scientist in a PDF taking a high-water mark
September 11, 2017

Taking a High-Water Mark after Hurricane Harvey

USGS scientist Steve Hannes marks high water marks along the Colorado River after flooding from Hurricane Harvey in Wharton County, Texas.

Image shows a USGS scientist in a PFD taking a high-water mark
September 11, 2017

Taking a High-Water Mark after Hurricane Harvey

USGS scientist Steve Hannes marks high water marks along the Colorado River after flooding from Harvey in Matagorda County, Texas.

Filter Total Items: 168
This is a screenshot of the USGS Coastal Change Hazards Portal, which shows current coastal impact projections for Hurricane Har
August 24, 2017

To learn more about USGS’ role providing science to decision makers before, during and after Hurricane Harvey, visit the USGS Hurricane Harvey page.

UPDATE: This story has been revised to reflect new NOAA-National Hurricane Center storm surge projections which were released August 25 at 7 a.m.

Satellite image of Hurricane Harvey
August 24, 2017

To learn more about USGS’ role providing science to decision makers before, during and after Hurricane Harvey, visit the USGS Hurricane Harvey page.

Storm-tide sensors are being installed at key locations along the Texas Gulf Coast by the U.S. Geological Survey in advance of Hurricane Harvey.

House damage in central Oklahoma from a magnitude 5.6 earthquake in 2011
August 11, 2017

Editor:  In the public interest and in accordance with Federal Aviation Administration regulations, the USGS is announcing this low-level airborne project.  Your assistance in informing the local communities is appreciated.

This image demonstrates how the USGS Search API can be used to show the suggested locations appearing in the menu on the map
July 26, 2017

The U.S. Geological Survey Search API is a custom JavaScript library useful for creating a location search widget in a webpage, typically in conjunction with a web map. The widget connects to a database created for the API, or Application-Programming Interface, to quickly find and suggest locations as the user enters text to navigate to areas of interest. 

USGS scientist collects a groundwater-level measurement in Freeport, Texas. 
July 19, 2017

A new interactive web application illustrates how groundwater, sediment compaction and land-elevation change are related in the Houston-Galveston region in Texas. The new app was developed by the U.S. Geological Survey and is available online.

High Plains aquifer water-level changes, predevelopment to 2015
June 16, 2017

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 for two separate periods: from 1950 – the time prior to significant groundwater irrigation development – to 2015, and from 2013 to 2015.

Two men collecting groundwater samples at a public well in the middle of a grassy field in Texas
May 31, 2017

Decades or longer may be needed to fully assess the effects of unconventional oil and gas production on the quality of groundwater used for drinking water in Arkansas, Louisiana, and Texas

Image shows a map of U.S. states colored based on the value of their mineral industry
April 14, 2017

In 2016, these five states led the pack in mineral production, accounting for about one third of the total mineral production value for the entire country.

This image shows a damaged street sign and flood debris left behind by record flood waters of the Blanco River near Martindale,
April 10, 2017

The new “Water On-the-Go” mobile app gives the public easy access to current conditions in streams across Texas. This product was developed by the U.S. Geological Survey to help raise water awareness during both floods and normal conditions.

Filter Total Items: 102