Groundwater Management Area 9

Maps

Map of GMA 9 Administrative Boundary

Map of GMA 9 Groundwater Conservation District boundaries

Map of GMA 9 Major Aquifer boundaries

Map of GMA 9 Minor Aquifer boundaries


Contact Information

  • Groundwater Management Area 9 Public Comment Form (posted 10/1/15)

    Blanco-Pedernales Groundwater Conservation District

    Ron Fieseler
    General Manager
    P.O. Box 1516
    Johnson City, Texas 78636
    Telephone:(830) 868-9196
    Fax: (830) 868-0376
    Email: manager@blancocountygroundwater.org

    Regional Water Planning Group Representatives:

    Region J: David Jeffery
    Region K: Ron Fieseler
    Region L: Don Dietzmann

  • Groundwater Conservation Districts (either partially or completely included)

    • Bandera County River Authority and Ground Water District
    • Barton Springs/Edwards Aquifer Conservation District
    • Blanco-Pedernales Groundwater Conservation District
    • Comal Trinity Groundwater Conservation District
    • Cow Creek Groundwater Conservation District
    • Edwards Aquifer Authority
    • Hays Trinity Groundwater Conservation District
    • Headwaters Groundwater Conservation District
    • Medina County Groundwater Conservation District
    • Trinity-Glen Rose Groundwater Conservation District

    Additional Groundwater Conservation District Information


    Exempt Groundwater Use Estimates

    Projected Exempt Groundwater Use Estimates for GMA 9

    GMA 9 Reports

    ID Date Type Description
    GR16-023_MAG 3/28/2017 GAM run - MAG Modeled available groundwater estimates for the aquifers in Groundwater Management Area 9
    HA-03 1/1/1995 Hydrologic atlas Water Quality in the Edwards-Trinity (Plateau) Aquifer, Edwards Plateau and Trans-Pecos, Texas
    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
    B-5911 10/1/1959 Groundwater bulletin Ground-Water Geology of Bexar County, Texas
    B-5601 8/1/1956 Groundwater bulletin Geology and Ground-Water Resources of Medina County, Texas
    B-6004 8/1/1960 Groundwater bulletin Geology and Ground-Water Resources of Hays County, Texas
    B-6210 5/1/1962 Groundwater bulletin Ground-Water Geology of Bandera County, Texas
    R-235 7/1/1979 TWDB numbered report Occurrence, Availability, and Chemical Quality of Ground Water in the Edwards Plateau Region of Texas
    R-296 11/1/1986 TWDB numbered report Carbonate Geology and Hydrology of the Edwards Aquifer in the San Antonio Area, Texas
    R-322 3/1/1990 TWDB numbered report Ground-Water Evaluation in and Adjacent to Dripping Springs, Texas
    R-276 6/1/1983 TWDB numbered report Occurrence, Availability, and Quality of Ground Water in Travis County, Texas
    R-102 11/1/1969 TWDB numbered report Ground-Water Resources of Kerr County, Texas
    R-174 7/1/1973 TWDB numbered report Ground-Water Resources of Blanco County, Texas
    R-029 9/1/1966 TWDB numbered report Base-Flow Studies, Upper Guadalupe River Basin, Texas, Quality and Quantity
    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
    R-071 3/1/1968 TWDB numbered report Reconnaissance of the Chemical Quality of the Surface Waters of the Colorado River Basin, Texas
    R-377 6/1/2011 TWDB numbered report Groundwater Availability Model: Hill Country Portion of the Trinity Aquifer of Texas
    GT10-031 1/25/2011 GAM task Additional results from the analysis completed in GAM Task 10-005
    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
    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
    GR08-037_MP 6/20/2008 GAM run - Management Plan Management plan information for Barton Springs/Edwards Aquifer Conservation District
    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
    GR08-007_MP 4/29/2008 GAM run - Management Plan Management plan information for Headwaters 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
    GR05-035 9/12/2005 GAM run Effects on Guadalupe River flow from various pumping scenarios in the Trinity Aquifer
    GR05-031 7/21/2005 GAM run Recharge information for the Carrizo-Wilcox and Trinity aquifers in Medina County
    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
    GR03-025 9/2/2003 GAM run Recharge, leakage, and total storage for the Trinity (Hill Country) in Bandera County River Authority and GCD
    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
    GR03-005 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
    AA10-01_MAG 6/22/2011 Aquifer assessment MAG Managed available groundwater estimates for the Ellenburger-San Saba Aquifer in Groundwater Management Area 9
    AA10-02_MAG 6/22/2011 Aquifer assessment MAG Managed available groundwater estimates for the Hickory Aquifer in Groundwater Management Area 9
    AA10-14_MAG 6/22/2011 Aquifer assessment MAG Managed available groundwater estimates for the Marble Falls Aquifer in Groundwater Management Area 9
    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
    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
    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
    GR12-009_MP 7/20/2012 GAM run - Management Plan Management plan data for Bandera County River Authority and Ground Water District
    GR12-021_MP 9/4/2012 GAM run - Management Plan Management plan data for Headwaters GCD
    GR08-011_MP 4/29/2008 GAM run - Management Plan Management plan information for Blanco-Pedernales GCD
    GR13-001_MP 1/24/2013 GAM run - Management Plan Management plan data for Blanco-Pedernales GCD
    GR08-068_MP_Ver2 4/28/2010 GAM run - Management Plan Management plan information for Bandera County River Authority and Ground Water District
    GT13-032_TERS 10/2/2013 GAM task - Total Estimated Recoverable Storage Total Estimated Recoverable Storage for aquifers in Groundwater Management Area 9
    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
    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
    GR16-022_MP 6/16/2016 GAM run - Management Plan Management plan data for Comal Trinity GCD
    GR16-019_MP 9/17/2016 GAM run - Management Plan Management plan information for Headwaters GCD
    GR17-004_MP 11/29/2017 GAM run - Management Plan Management plan information for Bandera County RA&GD
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