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Aquifers of Texas

Description: "This report is an update to the Texas Water Development Board (TWDB) Report 345, Major and Minor Aquifers of Texas, published in 1995 and coauthored by John B. Ashworth and Janie Hopkins."
Date: July 2011
Creator: Mace, Robert E.; Petrossian, Rima & George, Peter G.

Changes in Water Levels in Texas, 1995 to 2005

Description: This report examines the median water level changes in the state's major and minor aquifers, and describes where the largest declines and increases were within an aquifer and presents regional trends.
Date: July 2011
Creator: Boghici, Radu

Compilation of Results of Aquifer Tests in Texas

Description: "The mission of the Texas Water Development Board's (TWDB) Groundwater Resources Division is to collect, interpret, and provide accurate, objective information on the groundwater resources of Texas. In support of this mission, the TWDB has undertaken a long-term process of mapping and characterizing the aquifers of Texas."
Date: April 2012
Creator: Wuerch, David Robert & Christian, Brent

Groundwater Availability Model: Hill Country Portion of the Trinity Aquifer of Texas

Description: This report describes updates to the earlier developed groundwater availability model for the Hill Country portion of the Trinity Aquifer System, "by (1) adding the Lower Trinity Aquifer as another layer to the model, (2) revising the spatial distribution of parameters, such as recharge and pumping, and (3) calibrating the steady-state water level and river discharge conditions for 1980 and historical transient water level and discharge conditions for 1987 through 1997" (p. 1).
Date: June 2011
Creator: Jones, Ian C.; Anaya, Roberto & Wade, Shirley C.

Groundwater-Surface Water Interaction in the Brazos River Basin: Evidence from Lake Connection History and Chemical and Isotopic Compositions

Description: This report describes study methods used in determining the sources of the water in oxbow lakes along the Brazos River, characteristics of the Brazos River and oxbow lakes, and the hydrogeologic setting that hydraulically connects the aquifer, river, and lakes.
Date: October 2010
Creator: Chowdhury, Ali H.; Osting, Tim; Furnans, Jordan & Mathews, Ray

Irrigation Metering and Water Use Estimates: A Comparative Analysis, 1999-2007

Description: This report analyzes data on irrigation water use by crop type collected from 1999-2007 in the Panhandle, North Plain, Mesa, Hudspeth, Gateway, Rolling Plains, Coastal Bend, and High Plains groundwater conservation districts and the Lower Neches Valley Authority.
Date: July 2011
Creator: Texas Water Development Board

Pecos Valley Aquifer, West Texas: Structure and Brackish Groundwater

Description: "The pilot study has helped lay the foundation for future Brackish Resources Aquifer Characterization System projects by developing a database management system in which variety of data can be stored and processed."
Date: June 2012
Creator: Wise, Matthew R.; Kalaswad, Sanjeev & Meyer, John E.

Water Quality in the Blaine Aquifer of Texas

Description: "The purpose of this report is to describe the water quality of the Blaine Aquifer, particularly as compared with public drinking water standards, and to analyze, if possible, any changes in water quality over time."
Date: May 2011
Creator: Hopkins, Janie & Muller, Chris
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