Groundwater Management Area 13

Maps

Map of GMA 13 Administrative and Major Aquifer boundaries

Map of GMA 13 Groundwater Conservation District boundaries

Map of GMA 13 Major Aquifer boundaries

Map of GMA 13 Minor Aquifer boundaries


Contact Information

Evergreen Underground Water Conservation District

Greg Sengelman
110 Wyoming Blvd.
Pleasanton, Texas 78064
Telephone: (830) 569-4186
Fax: (830) 569-4238

Regional Water Planning Group Representatives:

Region L: Diane Savage
Region N: Lonnie Stewart

Groundwater Conservation Districts (either partially or completely included)

  • Edwards Aquifer Authority
  • Evergreen Underground Water Conservation District
  • Gonzales County Underground Water Conservation District
  • Guadalupe County Groundwater Conservation District
  • McMullen Groundwater Conservation District
  • Medina County Groundwater Conservation District
  • Plum Creek Conservation District
  • Uvalde County Underground Water Conservation District
  • Wintergarden Groundwater Conservation District

Additional Groundwater Conservation District Information


Aquifers(either partially or completely included)

Other Aquifers(determined to be relevant through the desired future conditions process in 2011)

  • Leona Gravel

GMA 13 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
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
CR-0099483279 3/1/2000 Contract report Transmissivity, Hydraulic Conductivity, and Storativity of the Carrizo-Wilcox Aquifer in 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
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-5601 8/1/1956 Groundwater bulletin Geology and Ground-Water Resources of Medina County, Texas
R-032 12/1/1966 TWDB numbered report Ground-Water Resources of Atascosa and Frio Counties, Texas
R-296 11/1/1986 TWDB numbered report Carbonate Geology and Hydrology of the Edwards Aquifer in the San Antonio Area, Texas
R-180 3/1/1974 TWDB numbered report Reconnaissance of the Chemical Quality of Surface Waters of the Rio Grande Basin, Texas
GMA13_DFC_03 7/13/2011 DFC submission Desired future conditions for the Leona Gravel Aquifer
GT10-020 11/22/2010 GAM task Depth to aquifer layers for the Carrizo-Wilcox, Queen City, and Sparta aquifers in McMullen County
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
GR10-015_MP 6/15/2010 GAM run - Management Plan Management plan information for Evergreen UWCD
GR09-034 6/29/2010 GAM run Predictive simulations for the Carrizo-Wilcox, Queen City, and Sparta aquifers in Groundwater Management Area 13
GR09-031_MP 7/9/2010 GAM run - Management Plan Management plan information for Medina County GCD
GR09-004 6/29/2010 GAM run Predictive simulations for the Carrizo-Wilcox, Queen City, and Sparta aquifers in Groundwater Management Area 13
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
GR08-043 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
GR08-002_MP 4/10/2008 GAM run - Management Plan Management plan information for McMullen GCD
GR07-025_MP 9/6/2007 GAM run - Management Plan Management plan information for Guadalupe GCD
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
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
GR06-018_MP 8/2/2006 GAM run - Management Plan Management plan information for Plum Creek Conservation District
GR05-036_MP 11/28/2005 GAM run - Management Plan Management plan information for McMullen GCD
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
GR11-017_MP 11/29/2011 GAM run - Management Plan Management plan information for Guadalupe GCD
GR05-018 4/29/2005 GAM run Water budget information for the Carrizo-Wilcox, Queen City, and Sparta aquifers in Bee, Live Oak, and McMullen counties
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
GR10-041_MAG 12/7/2011 GAM run - MAG Modeled available groundwater estimates for the Yegua-Jackson Aquifer in Groundwater Management Area 13
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
GR12-011_MP 6/25/2012 GAM run - Management Plan Management plan information for McMullen GCD
GR12-001_MP 7/2/2012 GAM run - Management Plan Management plan data for Plum Creek CD
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
GR08-022_MP_Ver2 8/14/2008 GAM run - Management Plan Management plan information for Gonzales County UWCD
GR13-014_MP 6/25/2013 GAM run - Management Plan Management Plan data for Gonzales County UWCD
GT13-036_TERS_Ver2 7/15/2013 GAM task - Total Estimated Recoverable Storage Total Estimated Recoverable Storage for aquifers in Groundwater Management Area 13
AA14-01 3/20/2014 Aquifer assessment Total Estimated Recoverable Storage for the Leona Gravel in Medina County