Groundwater Management Area 10

Groundwater management area 10 location map

Regional Water Planning Group Representatives:
Region J: Genell Hobbs
Region K: Tim Loftus (alternate: Kendall Bell-Enders)
Region L: Daniel Meyer

2021 Joint Planning Desired future conditions and modeled available groundwater

Summary of Desired Future Conditions for GMA 10

Additional 2021 Joint Planning Documents

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

Modeled available groundwater from 2016 joint planning is available here.

Groundwater Conservation Districts (6 either partially or completely included)

  • Barton Springs/Edwards Aquifer Conservation District
  • Comal Trinity Groundwater Conservation District
  • Kinney County Groundwater Conservation District
  • Medina County Groundwater Conservation District
  • Plum Creek Conservation District
  • Uvalde County Underground Water Conservation District

Other Districts

  • Edwards Aquifer Authority

Additional Groundwater Conservation District Information


Aquifers(either partially or completely included)

Other Aquifers(determined to be relevant through the desired future conditions process in 2010)

  • Austin Chalk
  • Buda Limestone
  • Leona Gravel
  • Saline Edwards

Component Counties

GMA 10 Reports

ID Date Type Description
GR16-033_MAG 7/20/2018 GAM run - MAG Modeled available groundwater estimates for the aquifers in Groundwater Management Area 10
AA 16-01 TERS 12/9/2016 Aquifer assessment - Total Estimated Recoverable Storage Supplemental report of Total Estimated Recoverable Storage for Groundwater Management Area 10
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
LP-214 2/1/1995 Limited publication Evaluation of Ground-Water Quality in Texas Counties Bordering the Rio Grande
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
B-6212 7/1/1962 Groundwater bulletin Geology and Ground-Water Resources of Uvalde County, Texas
B-5911 10/1/1959 Groundwater bulletin Ground-Water Geology of Bexar 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-340 7/1/1992 TWDB numbered report Model Refinement and Applications for the Edwards (Balcones Fault Zone) Aquifer in the San Antonio Region, Texas
B-5601 8/1/1956 Groundwater bulletin Geology and Ground-Water Resources of Medina County, Texas
B-6216 12/1/1962 Groundwater bulletin Geology and Ground-Water Resources of Kinney County, Texas
B-6004 8/1/1960 Groundwater bulletin Geology and Ground-Water Resources of Hays County, 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-325 4/1/1990 TWDB numbered report Test Well Drilling Investigation to Delineate the Downdip Limits of Usable-Quality Ground Water in the Edwards Aquifer in the Austin Region, Texas
R-276 6/1/1983 TWDB numbered report Occurrence, Availability, and Quality of Ground Water in Travis County, Texas
R-071 3/1/1968 TWDB numbered report Reconnaissance of the Chemical Quality of the Surface Waters of the Colorado River Basin, 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
GT10-027_D 2/9/2011 GAM task Predictive simulations for the Edwards (Balcones Fault Zone) and Edwards-Trinity (Plateau) aquifers in Kinney County GCD
GR10-022_MP 7/9/2010 GAM run - Management Plan Management plan information for Uvalde County UWCD
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
GR09-019 6/1/2011 GAM run Predictive simulations for the Edwards (Balcones Fault Zone) Aquifer in Groundwater Management Area 10
GR08-067_MP 9/3/2008 GAM run - Management Plan Management plan information for the Edwards Aquifer Authority
GR08-037_MP 6/20/2008 GAM run - Management Plan Management plan information for Barton Springs/Edwards Aquifer Conservation District
GR07-025_MP 9/6/2007 GAM run - Management Plan Management plan information for Guadalupe GCD
GR07-010 3/23/2007 GAM run Recharge calculations for the Edwards (Balcones Fault Zone) and Edwards-Trinity (Plateau) aquifers in Kinney County GCD
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
GR06-018_MP 8/2/2006 GAM run - Management Plan Management plan information for Plum Creek Conservation District
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
GR11-017_MP 11/29/2011 GAM run - Management Plan Management plan information for Guadalupe GCD
GR05-007 2/11/2005 GAM run Recharge areas in Kinney County's portions of Edwards BFZ Aquifer and Edwards-Trinity (Plateau) Aquifer (Nueces River and Rio Grande basins)
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
GR12-002_MAG 7/24/2012 GAM run - MAG Modeled available groundwater for the Edwards (Balcones Fault Zone) Aquifer in Groundwater Management Area 10 for Kinney County
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
AA10-07_MAG 8/20/2012 Aquifer assessment MAG Modeled available groundwater for the Leona Gravel Aquifer in Medina County
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
GR12-014_MP 2/11/2013 GAM run - Management Plan Management plan data for Kinney County GCD
AA10-28_MAG 2/4/2013 Aquifer assessment MAG Modeled available groundwater for the Leona Gravel Aquifer in Uvalde County
GT13-033_TERS 8/20/2013 GAM task - Total Estimated Recoverable Storage Total Estimated Recoverable Storage for aquifers in Groundwater Management Area 10
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
GT10-005 5/8/2015 GAM task Predictive simulations for the Trinity Aquifer in Groundwater Management Area 9
GR15-002_MP 6/30/2015 GAM run - Management Plan Management plan data for Medina County GCD
GR15-006_MP 6/26/2015 GAM run - Management Plan Management Plan data for Uvalde County UWCD
GR20-003_MP 8/25/2020 GAM run - Management Plan Management plan information for Medina County GCD
GR22-006_MP 3/28/2022 GAM run - Management Plan Management plan information for Barton Springs Edwards Aquifer Conservation District
GR22-012_MP 10/14/2022 GAM run - Management Plan Management plan information for Comal Trinity GCD
GR22-011_MP 11/8/2022 GAM run - Management Plan Management plan information for Kinney County GCD
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