Region L (South Central Texas)

Groundwater Related Reports

ID Date Type Description
R-365 2/1/2006 TWDB numbered report Aquifers of the Gulf Coast of Texas
R-236 7/1/1979 TWDB numbered report Stratigraphic and Hydrogeologic Framework of Part of the Coastal Plain of Texas
B-6520 8/1/1965 Groundwater bulletin Ground-Water Resources of La Salle and McMullen Counties, Texas
R-096 6/1/1969 TWDB numbered report A Statistical Study of the Depth of Precipitable Water in Western Texas and Eastern New Mexico
HA-03 1/1/1995 Hydrologic atlas Water Quality in the Edwards-Trinity (Plateau) Aquifer, Edwards Plateau and Trans-Pecos, Texas
GMA7_DFC_01 7/29/2010 DFC submission Desired future conditions for the Capitan Reef Complex, Dockum, Edwards-Trinity (Plateau), Ellenburger-San Saba, Hickory, Lipan, Marble Falls, Ogallala, and Rustler aquifers
LP-214 2/1/1995 Limited publication Evaluation of Ground-Water Quality in Texas Counties Bordering the Rio Grande
HA-05 1/1/1997 Hydrologic atlas Water Quality in the Sparta Aquifer
HA-06 1/1/1997 Hydrologic atlas Water Quality in the Queen City Aquifer
GMA9_DFC_01 8/29/2008 DFC submission Desired future conditions for the Edwards Group of the Edwards-Trinity (Plateau), Ellenburger-San Saba, Hickory, and Marble Falls aquifers
GMA9_DFC_02 7/26/2010 DFC submission Desired future conditions for the Edwards Group of the Edwards-Trinity (Plateau) and Trinity aquifers
AA09-01 8/26/2010 Aquifer assessment Desired future condition scenarios for the Leona Gravel Aquifer in Medina County
GMA10_DFC_01 5/17/2010 DFC submission Desired future conditions for the Leona Gravel Aquifer
GMA10_DFC_02 8/4/2010 DFC submission Desired future conditions for the fresh and saline Edwards Aquifer
GMA10_DFC_03 8/23/2010 DFC submission Desired future conditions for the Trinity, Austin Chalk, Buda Limestone, and Leona Gravel aquifers
CR-0099483279 3/1/2000 Contract report Transmissivity, Hydraulic Conductivity, and Storativity of the Carrizo-Wilcox Aquifer in Texas
B-6202 1/1/1962 Groundwater bulletin Ground-Water Resources of Victoria and Calhoun Counties, Texas
B-6312 10/1/1963 Groundwater bulletin Ground-Water Resources of Refugio County, Texas
B-6518 8/1/1965 Groundwater bulletin Ground-Water Resources of De Witt County, Texas
R-332 9/1/1991 TWDB numbered report Ground-Water Resources of the Carrizo-Wilcox Aquifer in the Central Texas Region
GMA13_DFC_01 4/9/2010 DFC submission Desired future conditions for the Carrizo-Wilcox, Queen City, and Sparta aquifers
GMA13_DFC_02 8/12/2010 DFC submission Desired future conditions for the Edwards and Yegua-Jackson aquifers
GMA15_DFC_01 7/14/2010 DFC submission Desired future conditions for the Gulf Coast Aquifer
B-6212 7/1/1962 Groundwater bulletin Geology and Ground-Water Resources of Uvalde County, Texas
B-6003 6/1/1960 Groundwater bulletin Geology and Ground-Water Resources of Dimmit County, Texas
B-5911 10/1/1959 Groundwater bulletin Ground-Water Geology of Bexar County, Texas
B-5710 7/1/1957 Groundwater bulletin Ground-Water Geology of Wilson County, Texas
R-019 3/1/1966 TWDB numbered report Ground-Water Resources of Guadalupe County, Texas
R-012 9/1/1975 TWDB numbered report Ground-Water Resources of Caldwell County, Texas
R-004 11/1/1965 TWDB numbered report Ground-Water Resources of Gonzales County, Texas
R-340 7/1/1992 TWDB numbered report Model Refinement and Applications for the Edwards (Balcones Fault Zone) Aquifer in the San Antonio Region, Texas
LP-208 1/1/1989 Limited publication A Digital Model of the Carrizo-Wilcox Aquifer Within the Colorado River Basin of Texas (cross-section figures linked here)
B-6004 8/1/1960 Groundwater bulletin Geology and Ground-Water Resources of Hays County, Texas
R-032 12/1/1966 TWDB numbered report Ground-Water Resources of Atascosa and Frio Counties, Texas
R-234 6/1/1979 TWDB numbered report Geohydrology of Comal, San Marcos, and Hueco Springs
R-296 11/1/1986 TWDB numbered report Carbonate Geology and Hydrology of the Edwards Aquifer in the San Antonio Area, Texas
R-239 10/1/1979 TWDB numbered report Ground-Water Resources and Model Applications for the Edwards (Balcones Fault Zone) Aquifer in the San Antonio Region
R-273 1/1/1983 TWDB numbered report Ground-Water Availability of the Lower Cretaceous Formations in the Hill Country of South-Central Texas
R-353 9/1/2000 TWDB numbered report Groundwater Availability of the Trinity Aquifer, Hill Country Area, Texas: Numerical Simulations through 2050
R-360 2/9/2004 TWDB numbered report Conference Proceedings: Aquifers of the Edwards Plateau
R-346 3/1/1996 TWDB numbered report The Paleozoic and Related Aquifers of Central Texas
R-339 8/1/1992 TWDB numbered report Evaluation of Ground-Water Resources of the Paleozoic and Cretaceous Aquifers in the Hill Country of Central Texas
GMA13_DFC_03 7/13/2011 DFC submission Desired future conditions for the Leona Gravel Aquifer
R-377 6/1/2011 TWDB numbered report Groundwater Availability Model: Hill Country Portion of the Trinity Aquifer of Texas
AA09-02_D 4/20/2010 Aquifer assessment Desired future condition scenarios for the middle and lower Trinity Aquifer in Groundwater Management Area 10
AA10-03_D 6/10/2010 Aquifer assessment Desired future condition scenarios for the Trinity Aquifer in Groundwater Management Area 10
AA10-06 7/28/2010 Aquifer assessment Desired future condition scenarios for the Trinity Aquifer in Groundwater Management Area 10
GR10-024_MP 8/18/2010 GAM run - Management Plan Management plan information for Wintergarden GCD
GT10-012 9/9/2010 GAM task Predictive simulations for the Yegua-Jackson Aquifer
GR10-022_MP 7/9/2010 GAM run - Management Plan Management plan information for Uvalde County UWCD
GT10-031 1/25/2011 GAM task Additional results from the analysis completed in GAM Task 10-005
GR10-015_MP 6/15/2010 GAM run - Management Plan Management plan information for Evergreen UWCD
GR10-008 6/30/2010 GAM run Predictive simulations for the Gulf Coast Aquifer in Groundwater Management Area 15
GR10-008_Add 6/30/2010 GAM run Predictive simulations for the Gulf Coast Aquifer in Groundwater Management Area 15
GR09-034 6/29/2010 GAM run Predictive simulations for the Carrizo-Wilcox, Queen City, and Sparta aquifers in Groundwater Management Area 13
GR09-033_MP 7/29/2010 GAM run - Management Plan Management plan information for Hays Trinity GCD
GR09-031_MP 7/9/2010 GAM run - Management Plan Management plan information for Medina County GCD
GR09-030_MP 10/21/2009 GAM run - Management Plan Management plan information for Cow Creek GCD
GR09-011 9/14/2010 GAM run Predictive simulations for the Edwards-Trinity (Plateau) and Trinity aquifers in Groundwater Management Area 9
GR09-012 9/14/2010 GAM run Predictive simulations for the Edwards-Trinity (Plateau) and Trinity aquifers in Groundwater Management Area 9
GR09-024 9/14/2010 GAM run Predictive simulations for the Edwards-Trinity (Plateau) and Trinity aquifers in Groundwater Management Area 9
GR09-011_S 9/13/2010 GAM run Predictive simulations for the Edwards-Trinity (Plateau) and Trinity aquifers in Groundwater Management Area 9
GR09-012_S 9/13/2010 GAM run Predictive simulations for the Edwards-Trinity (Plateau) and Trinity aquifers in Groundwater Management Area 9
GR09-024_S 9/13/2010 GAM run Predictive simulations for the Edwards-Trinity (Plateau) and Trinity aquifers in Groundwater Management Area 9
GR09-019 6/1/2011 GAM run Predictive simulations for the Edwards (Balcones Fault Zone) Aquifer in Groundwater Management Area 10
GR09-004 6/29/2010 GAM run Predictive simulations for the Carrizo-Wilcox, Queen City, and Sparta aquifers in Groundwater Management Area 13
GR08-070 12/2/2008 GAM run Predictive and steady-state simulations for the Trinity Aquifer in Groundwater Management Area 9
GR08-067_MP 9/3/2008 GAM run - Management Plan Management plan information for the Edwards Aquifer Authority
GR08-062_MP 9/3/2008 GAM run - Management Plan Management plan information for Evergreen UWCD
GR08-056 3/17/2009 GAM run simulation for the Gulf Coast Aquifer in Groundwater Management Area15
GR08-043 9/19/2008 GAM run Predictive simulation for the Carrizo-Wilcox, Queen City, and Sparta aquifers in Groundwater Management Area 13
GR08-043_CM 9/29/2008 GAM run Average drawdowns by county for GAM Runs 08-41, 08-42, and 08-43 in Groundwater Management Area 13
GR08-042 9/12/2008 GAM run Predictive simulation for the Carrizo-Wilcox, Queen City, and Sparta aquifers in Groundwater Management Area 13
GR08-041 9/17/2008 GAM run Predictive simulation for the Carrizo-Wilcox, Queen City, and Sparta aquifers in Groundwater Management Area 13
GR08-039_MP 5/30/2008 GAM run - Management Plan Management plan information for Refugio GCD
GR08-038_MP 5/30/2008 GAM run - Management Plan Management plan information for Pecan Valley GCD
GR08-037_MP 6/20/2008 GAM run - Management Plan Management plan information for Barton Springs/Edwards Aquifer Conservation District
GR08-032_MP 5/23/2008 GAM run - Management Plan Management plan information for Victoria County GCD
GR08-030 8/19/2008 GAM run Predictive simulation for the Trinity Aquifer in Groundwater Management Area 9
GR08-020 7/28/2008 GAM run Predictive simulation for the Trinity Aquifer in Groundwater Management Area 9
GR08-015 7/8/2008 GAM run Predictive simulation for the Trinity Aquifer in Groundwater Management Area 9
GR08-009_MP 4/10/2008 GAM run - Management Plan Management plan information for Goliad County GCD
GR07-043 3/21/2008 GAM run Predictive simulation for the Gulf Coast Aquifer in Groundwater Management Area 15
GR07-042 3/21/2008 GAM run Predictive simulation for the Gulf Coast Aquifer in Groundwater Management Area 15
GR07-037 4/9/2008 GAM run Predictive simulation for the Edwards-Trinity (Plateau) Aquifer in Groundwater Management Area 7
GR07-032 12/11/2007 GAM run Historic and predictive simulation for the Edwards-Trinity (Plateau) Aquifer in Groundwater Management Area 7
GR07-025_MP 9/6/2007 GAM run - Management Plan Management plan information for Guadalupe GCD
GR07-024_MP 9/5/2007 GAM run - Management Plan Management plan information for Cow Creek GCD
GR07-018 7/13/2007 GAM run Simulation to document locations and discharges to springs and rivers, and document the water budget in Groundwater Management Area 9
GR07-017 9/28/2007 GAM run Predictive simulation for the Carrizo-Wilcox, Queen City, and Sparta aquifers in Groundwater Management Area 13
GR07-016 6/26/2007 GAM run Predictive simulation for the Carrizo-Wilcox, Queen City, and Sparta aquifers in Groundwater Management Area 13
GR07-012 4/19/2007 GAM run Predictive simulation for the Gulf Coast Aquifer in Groundwater Management Areas 15 and 16
GR07-014 10/15/2007 GAM run Predictive simulation for the Gulf Coast Aquifer in Groundwater Management Areas 15 and 16
GR06-033 2/12/2007 GAM run Effects on springflow and river flow of various pumping scenarios in the San Antonio Segment of the Edwards (Balcones Fault Zone) Aquifer
GR06-030 4/18/2008 GAM run Simulation of discharge to the Leona Gravel Aquifer from the Edwards (Balcones Fault Zone) Aquifer
GR06-029 1/11/2007 GAM run Predictive simulation for the Carrizo-Wilcox, Queen City, and Sparta aquifers in Groundwater Management Area 13
GR06-029_CM 11/8/2011 GAM run Average drawdowns for the Carrizo-Wilcox, Queen City, and Sparta aquifers based on the analysis completed in GAM Run 06-029
GR07-014_CM 12/11/2007 GAM run Additional results from the analysis completed in GAM Run 07-014
GR06-018_MP 8/2/2006 GAM run - Management Plan Management plan information for Plum Creek Conservation District
GR05-035 9/12/2005 GAM run Effects on Guadalupe River flow from various pumping scenarios in the Trinity Aquifer
GR05-034_MP 9/8/2005 GAM run - Management Plan Management plan information for Wintergarden GCD
GR05-030 7/15/2005 GAM run Recharge information for the Carrizo-Wilcox, Edwards-Trinity (Plateau) and Trinity aquifers in Uvalde County
GR05-031 7/21/2005 GAM run Recharge information for the Carrizo-Wilcox and Trinity aquifers in Medina County
GR05-028 7/20/2005 GAM run Recharge information for the Queen City and Sparta aquifers in Dimmit, La Salle, and Zavala counties
GR05-028_Add 7/25/2005 GAM run Water budget information for the Queen City and Sparta aquifers in Dimmit, La Salle, and Zavala counties
GR05-027 10/27/2005 GAM run Predictive simulation for the Gulf Coast Aquifer in Goliad County
GR11-017_MP 11/29/2011 GAM run - Management Plan Management plan information for Guadalupe GCD
GR05-015 7/13/2005 GAM run Predictive simulation for the Gulf Coast Aquifer in Goliad County
GR05-014 5/17/2005 GAM run Predictive simulation for the Gulf Coast Aquifer in Goliad County
GR05-004 1/23/2005 GAM run Calibration of the Gulf Coast (central) Aquifer GAM to evaluate drawdowns from fully penetrating wells in the Evangeline Aquifer
GR04-018 10/7/2004 GAM run Recharge rates for the Trinity Aquifer in Hays Trinity GCD
GR03-034 5/14/2004 GAM run Analytical groundwater modeling to assess water level drawdown by implementing hypothetical well fields
GR03-029 10/31/2003 GAM run Decadal water level declines for the Upper and Middle Trinity aquifers of the Trinity (Hill Country) GAM
GR03-027 9/22/2003 GAM run Water budget and total storage above 4000 depth in Evergreen UWCD
GR03-012 7/18/2003 GAM run Water budget, storage, and drawdown in 2050 for the Trinity (Hill Country) and Carrizo-Wilcox aquifers in Medina County GCD
GR03-011 3/21/2003 GAM run Water budget by county for the Trinity (Hill Country) Aquifer
GR03-007 3/7/2005 GAM run Refugio county water budget for the Gulf Coast Aquifer
GR03-005 5/20/2003 GAM run Estimated water levels at specified locations in the Trinity (Hill Country) GAM
GR03-002 3/21/2003 GAM run Average well yield in Kendall County for the Trinity (Hill Country) Aquifer GAM
GR10-041_MAG 12/7/2011 GAM run - MAG Modeled available groundwater estimates for the Yegua-Jackson Aquifer in Groundwater Management Area 13
GR08-090_MAG 3/6/2009 GAM run - MAG Managed available groundwater estimates for the Edwards Group of the Edwards-Trinity (Plateau) Aquifer in Groundwater Management Area 9
GR03-001 5/20/2005 GAM run Predictive simulation for the Gulf Coast Aquifer in Goliad County GCD
GR02-001 3/21/2003 GAM run County water budget for the Trinity (Hill Country) Aquifer GAM
GR02-002 3/21/2003 GAM run County water budget for the Trinity (Hill Country) Aquifer GAM
AA08-05 10/22/2009 Aquifer assessment Desired future condition scenarios for the Edwards-Trinity (Plateau) Aquifer in Groundwater Management Area 7
GR10-050_MAG_Rev1 3/30/2012 GAM run - MAG Modeled available groundwater estimates for the Trinity Aquifer in Groundwater Management Area 9
GR10-049_MAG_Rev1 3/28/2012 GAM run - MAG Modeled available groundwater estimates for the Edwards Group of the Edwards-Trinity (Plateau) Aquifer in Groundwater Management Area 9
GR11-007 6/12/2012 GAM run Estimated drawdown under assumed future pumping for the Carrizo-Wilcox, Queen City, and Sparta aquifers in Groundwater Management Area 13
GR11-007_Add 6/12/2012 GAM run Drawdown maps and water budget for GAM run 11-007
GR09-034_Add 6/27/2012 GAM run Predictive simulations for the Carrizo-Wilcox, Queen City, and Sparta aquifers in Groundwater Management Area 13
GR12-001_MP 7/2/2012 GAM run - Management Plan Management plan data for Plum Creek CD
GR10-028_MAG 11/18/2011 GAM run - MAG Modeled available groundwater for the Gulf Coast Aquifer in Groundwater Management Area 15
AA10-26_MAG 8/19/2011 Aquifer assessment MAG Managed available groundwater for the Austin Chalk Aquifer in Uvalde County
AA10-27_MAG 8/19/2011 Aquifer assessment MAG Managed available groundwater for the Buda Limestone Aquifer in Uvalde County
AA10-29_MAG 11/29/2011 Aquifer assessment MAG Modeled available groundwater for the Trinity Aquifer in Groundwater Management Area 10
AA10-35_MAG 11/20/2011 Aquifer assessment MAG Modeled available groundwater for the saline Edwards Aquifer in the Northern Subdivision of Groundwater Management Area 10
CR-0904831001 10/31/2011 Contract report Estimation of Groundwater Recharge to the Gulf Coast Aquifer in Texas, USA
GR10-012_MAG 8/2/2012 GAM run - MAG Modeled available groundwater for the Carrizo-Wilcox, Queen City, and Sparta aquifers in Groundwater Management Area 13
AA10-40_MAG 8/20/2012 Aquifer assessment MAG Modeled available groundwater for the Edwards Aquifer in Frio County
AA10-41_MAG 8/20/2012 Aquifer assessment MAG Modeled available groundwater for the Leona Gravel Aquifer in Medina County
AA10-07_MAG 8/20/2012 Aquifer assessment MAG Modeled available groundwater for the Leona Gravel Aquifer in Medina County
CR-0904830820 4/1/2010 Contract report Application of PEST to Re-Calibrate the Groundwater Availability Model for the Edwards-Trinity (Plateau) and Pecos Valley Aquifers
CR-0804830795 2/1/2010 Contract report Hydrostratigraphy of the Gulf Coast Aquifer from the Brazos River to the Rio Grande
GR10-043_MAG_Rev1 11/12/2012 GAM run - MAG Modeled available groundwater for the Edwards-Trinity (Plateau), Pecos Valley, and Trinity aquifers in Groundwater Management Area 7
GR12-024_MP 12/5/2012 GAM run - Management Plan Management plan information for Pecan Valley GCD
GR12-018_MP 11/30/2012 GAM run - Management Plan Management plan data for Goliad County GCD
GR12-022_MP 11/29/2012 GAM run - Management Plan Management plan data for Victoria County GCD
GR04-021_Ver2 2/14/2005 GAM run Predictive model input files for the Gulf Coast (central) Aquifer
GR10-059_MAG_Ver2 12/7/2011 GAM run - MAG Modeled available groundwater for the Edwards (Balcones Fault Zone) Aquifer in the Northern Subdivision of Groundwater Management Area 10
GR09-010_Ver2 9/16/2010 GAM run Predictive simulation for the Gulf Coast Aquifer in Groundwater Management Area 15
GR08-022_MP_Ver2 8/14/2008 GAM run - Management Plan Management plan information for Gonzales County UWCD
GR12-018_MP_Ver2 1/24/2013 GAM run - Management Plan Goliad County GCD Management Plan GAM Run, version 2
AA10-28_MAG 2/4/2013 Aquifer assessment MAG Modeled available groundwater for the Leona Gravel Aquifer in Uvalde County
GR13-008_MP 6/25/2013 GAM run - Management Plan Management Plan data for Refugio GCD
GR13-014_MP 6/25/2013 GAM run - Management Plan Management Plan data for Gonzales County UWCD
GR13-029_MP 11/15/2013 GAM run - Management Plan Management plan data forCow Creek GCD
GR09-032_MP 7/9/2010 GAM run - Management Plan Management plan information for Trinity-Glen Rose GCD
GR15-001_MP 2/17/2015 GAM run - Management Plan Management plan data for Trinity Glen Rose GCD
GR15-005_MP 3/6/2015 GAM run - Management Plan Management plan data for Hays Trinity GCD
GR15-009_MP 3/18/2015 GAM run - Management Plan Management Plan data for Edwards Aquifer Authority
GR15-002_MP 6/30/2015 GAM run - Management Plan Management plan data for Medina County GCD
GR15-004_MP 6/30/2015 GAM run - Management Plan Management Plan data for Evergreen UWCD
GR15-006_MP 6/26/2015 GAM run - Management Plan Management Plan data for Uvalde County UWCD
GR15-007_MP 7/29/2015 GAM run - Management Plan Management Plan data for Wintergarden GCD
GR15-010_MP 8/12/2015 GAM run - Management Plan Management Plan data for Calhoun County GCD
AA16-01_S 12/14/2016 Aquifer assessment Total Estimated Recoverable Storage for Groundwater in GMA 10 (Supplement to GAM Task 13-033)
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