Groundwater Management Area 13

Groundwater management area 13 location map

Contact Information

Guadalupe County Groundwater Conservation District
Kelley Cochran
P.O. Box 1221
Seguin, TX 78156
Phone: 830-379-5969
Email: kelley@gcgcd.org

Regional Water Planning Group Representatives:
Region L: Diane Savage
Region M: Debbie Farmer
Region N: Lonnie Stewart

2021 Joint Planning Desired future conditions and modeled available groundwater

Summary of Desired Future Conditions for GMA 13

Additional 2021 Joint Planning Documents

*Modeled available groundwater based on 2021 adopted desired future conditions coming soon*

Modeled availalbe groundwater from 2016 joint planning is available here.

Groundwater Conservation Districts (8 either partially or completely included)

  • 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

Other Districts

  • Edwards Aquifer Authority

Additional Groundwater Conservation District Information


Aquifers(either partially or completely included)

Major Aquifers

 

Minor Aquifers

 

Component Counties

GMA 13 Reports

ID Date Type Description
GR19-013_MP 4/30/2019 GAM run - Management Plan Management Plan information for Evergreen UWCD
GR17-027_MAG 10/27/2017 GAM run - MAG Modeled available groundwater for the aquifers in Groundwater Management Area 13
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
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
GR17-011_MP 11/20/2017 GAM run - Management Plan Management plan information for McMullen GCD
GR18-006_MP 4/9/2018 GAM run - Management Plan Management plan information for Gonzales County UWCD
GR20-003_MP 8/25/2020 GAM run - Management Plan Management plan information for Medina County GCD
GR20-004_MP 9/30/2020 GAM run - Management Plan Management plan information for Wintergarden GCD
Top