Groundwater Management Area 1

Groundwater Management Area 1 Webpage

Groundwater management area 1 location map

Contact Information

Panhandle Regional Planning Commission
Alex Guerrero
Local Government Services Director
4415 Southwest Eighth Avenue
P.O. Box 9257
Amarillo, Texas 79105
Telephone: (806) 372-3381
Email: aguerrero@theprpc.org

2021 Joint Planning Desired future conditions and modeled available groundwater

Summary of Desired Future Conditions for GMA 1

Summary of Modeled Available Groundwater for GMA 1 by Groundwater Conservation District

Summary of Modeled Available Groundwater for GMA 1 by County

Additional 2021 Joint Planning Documents

Groundwater Conservation Districts (4 either partially or completely included)

  • Hemphill County Underground Water Conservation District
  • High Plains Underground Water Conservation District No. 1
  • North Plains Groundwater Conservation District
  • Panhandle Groundwater Conservation District

Additional Groundwater Conservation District Information


Exempt Groundwater Use Estimates

Projected Exempt Groundwater Use Estimates for GMA 1

Aquifers(either partially or completely included)

Component Counties

GMA 1 Reports

ID Date Type Description
R-111 03/11/1970 TWDB numbered report An Investigation of Clouds and Precipitation for the Texas High Plains
R-116 05/01/1970 TWDB numbered report Quantity and Chemical Quality of Low Flow in the Prairie Dog Town Fork Red River near Wayside, Texas, February 6-9,1968
R-288 05/01/1984 TWDB numbered report Evaluating the Ground-Water Resources of the High Plains of Texas, Volumes 1-4
R-341 09/01/1993 TWDB numbered report The High Plains Aquifer System of Texas, 1980 to 1990 - Overview and Projections
R-315 11/01/1989 TWDB numbered report Evaluation of Ground-Water Resources in Dallam County, Texas
R-355 01/01/2003 TWDB numbered report Evaluation of Enhanced Recharge Potential to the Ogallala Aquifer in the Brazos River Basin, Hale County, Texas
R-357 08/01/2003 TWDB numbered report Characterization of Playa Basins on the High Plains of Texas
R-359 12/01/2003 TWDB numbered report The Groundwater Resources of the Dockum Aquifer in Texas
HA-10 01/01/1998 Hydrologic atlas Updated Water-Quality Evaluation of the Ogallala Aquifer, Including Selected Metallic and Non-Metallic Inorganic Constituents
R-010 12/01/1965 TWDB numbered report Studies of Playa Lakes in the High Plains of Texas
R-096 06/01/1969 TWDB numbered report A Statistical Study of the Depth of Precipitable Water in Western Texas and Eastern New Mexico
GMA1_DFC_01 07/07/2009 DFC submission Desired future conditions for the Ogallala and Rita Blanca aquifers
GMA1_DFC_02 06/03/2010 DFC submission Desired future conditions for the Blaine and Dockum aquifers
R-337 03/01/1992 TWDB numbered report Evaluation of Water Resources in Parts of the Rolling Prairies Region of North-Central Texas
R-342 08/01/1993 TWDB numbered report Water-Quality Evaluation of the Ogallala Aquifer, Texas
HA-01 01/01/1991 Hydrologic atlas Water-Level Changes in the High Plains Aquifer of Texas, 1980-1990
R-376 05/01/2011 TWDB numbered report Water Quality in the Blaine Aquifer
GR11-014_MP 10/04/2011 GAM run - Management Plan Management plan information for Hemphill County UWCD
GR11-009_MP 06/24/2011 GAM run - Management Plan Management plan information for High Plains UWCD No. 1
GT11-010 06/14/2011 GAM task Total pumping estimates for the Ogallala, Edwards-Trinity (High Plains), and Dockum aquifers in High Plains UWCD No. 1
GR09-014 09/21/2010 GAM run Predictive simulation for the Dockum Aquifer in Groundwater Management Area 1
GR09-014_Add 09/21/2010 GAM run Predictive simulations for the Dockum Aquifer in Groundwater Management Area 1
GR09-006_MP 03/17/2009 GAM run - Management Plan Management plan information for High Plains UWCD No. 1
GR09-003_MP 01/23/2009 GAM run - Management Plan Management plan information for High Plains UWCD No. 1
GR09-001 02/17/2009 GAM run Predictive simulations for the Ogallala Aquifer in Groundwater Management Area 1
GR09-001_S 02/26/2009 GAM run Predictive simulations for the Ogallala Aquifer in Groundwater Management Area 1
GR08-063_MP 09/24/2008 GAM run - Management Plan Management plan information for High Plains UWCD No. 1
GR08-028_MP 05/16/2008 GAM run - Management Plan Management plan information for Panhandle GCD
GR08-016 07/31/2008 GAM run Predictive simulations for the Ogallala Aquifer in Groundwater Management Area 1
GR08-016_S 09/30/2008 GAM run Predictive simulations for the Ogallala Aquifer in Groundwater Management Area 1
GR07-038_Rev1 01/15/2008 GAM run Volume calculations for the Ogallala Aquifer in Groundwater Management Area 1
GR07-031 11/11/2007 GAM run Volume calculations and pump rates for the Ogallala Aquifer in Groundwater Management Area 1
GR07-019 08/10/2007 GAM run Analysis using specified depletions for districts in Groundwater Management Area 1
GR07-006_MP 03/27/2007 GAM run - Management Plan Management plan information for North Plains GCD
GR07-001 01/22/2007 GAM run Volume calculations for the Ogallala Aquifer in Groundwater Management Area 1
GR06-025 11/02/2006 GAM run Volume calculations for the Ogallala Aquifer in Groundwater Management Area 1
GR05-026 09/01/2005 GAM run Water budget and GIS information for the Ogallala Aquifer in Hemphill County
GR05-021 06/20/2005 GAM run Saturated thickness shapefile for the Ogallala Aquifer in Hemphill County
GR05-021_Att 06/20/2005 GAM run Saturated thickness shapefile for the Ogallala Aquifer in Hemphill County (zip file)
GR05-017 05/16/2005 GAM run Saturated thickness maps for the Blaine and Seymour aquifers in Region A
GR05-016 06/12/2005 GAM run Saturated thickness maps for the Ogallala Aquifer in Region A
GR05-011 03/04/2005 GAM run Groundwater volumes for the Ogallala Aquifer in Randall and Oldham counties
GR05-010 03/03/2005 GAM run Comparison of groundwater volumes between GR 04-13 and GR 05-09 for the Ogallala Aquifer in Region A
GR05-009 02/28/2005 GAM run Saturated thickness, groundwater volumes, and water level maps for the Ogallala Aquifer in Region A
GR05-012 04/08/2005 GAM run Various pumping scenarios for the Ogallala Aquifer in Hemphill County
GR04-022 03/04/2005 GAM run Volume in storage for Seymour and Baline aquifers in Childress, Collingsworth, Hall, and Wheeler counties
GR04-016 03/21/2005 GAM run Water budget and volume of water in storage for Hemphill County using a predictive simulation
GR04-015 10/21/2004 GAM run Saturated thickness map for the Ogallala (north) Aquifer
GR04-014 09/22/2004 GAM run Recharge rates per model cell in the Ogallala (north) Aquifer GAM
GR04-014_Att 09/22/2004 GAM run Recharge data for GAM run 04-014
GR04-013 09/22/2004 GAM run Groundwater in storage for Region A using a 1.25% annual depletion rate
GR04-012 10/01/2004 GAM run Hydraulic conductivity data for the Ogallala Aquifer GAMs
GR04-002 04/30/2004 GAM run Determine pumping rate equivalent to a volume depletion rate of no more than 1% per year
GR11-021_MP 01/27/2012 GAM run - Management Plan Panhandle GCD Management Plan
GR10-020_MAG 06/22/2011 GAM run - MAG Managed available groundwater for the Blaine Aquifer in Groundwater Management Area 1
GR09-026_MAG 06/22/2011 GAM run - MAG Managed available groundwater for the Ogallala Aquifer in Groundwater Management Area 1
GR12-003_MP 07/02/2012 GAM run - Management Plan Management plan data for North Plains GCD
GR12-005_MAG 08/21/2012 GAM run - MAG Modeled available groundwater for the Ogallala Aquifer in Groundwater Management Area 1
CR-0704830686 01/01/2009 Contract report Groundwater Recharge in the Central High Plains of Texas: Roberts and Hemphill Counties
GR10-019_MAG_Ver2 08/30/2011 GAM run - MAG Managed available groundwater for the Dockum Aquifer in Groundwater Management Area 1
GR07-038_Ver2 01/05/2008 GAM run Volume calculations for the Ogallala Aquifer in Groundwater Management Area 1
GR05-013_Ver2 05/17/2012 GAM run Saturated thickness maps for the Ogallala Aquifer in Region A
GR12-003_MP_Ver2 09/17/2012 GAM run - Management Plan Revised management plan data for North Plains GCD
GT13-025_TERS 08/20/2013 GAM task - Total Estimated Recoverable Storage Total Estimated Recoverable Storage for aquifers in Groundwater Management Area 1
GT13-042_TERS 11/01/2013 GAM task - Total Estimated Recoverable Storage Total Estimated Recoverable Storage by county for aquifers in High Plains UWCD No. 1
GT15-006_TERS 12/17/2015 GAM task - Total Estimated Recoverable Storage Total Estimated Recoverable Storage for aquifers in Groundwater Management Area 1
GR16-001_MP 04/28/2016 GAM run - Management Plan Management plan information for Panhandle GCD
GR16-010 10/31/2016 GAM run Management Plan Information for Hemphill County UWCD
GR17-008_MP 04/07/2017 GAM run - Management Plan Management plan information for North Plains GCD
GR16-029_MAG 04/20/2017 GAM run - MAG Modeled available groundwater for the aquifers in GMA 1
GR19-002_MP 3/1/2019 GAM run - Management Plan Management plan information for High Plains UWCD #1
GR22-001_MP 2/2/2022 GAM run - Management Plan Management plan information for Hemphil County UWCD
GR22-015_MP 1/13/2023 GAM run - Management Plan Management plan information for North Plains GCD
GR21-007_MAG 2/28/2023 GAM run - MAG Modeled available groundwater estimates for the High Plains Aquifer System in Groundwater Management Area 1
GR24-003_MP 04/02/2024 GAM run - Management Plan Management plan information for Panhandle Groundwater Conservation District
GR24-006_MP 05/20/2024 GAM run - Management Plan Management plan information for High Plains UWCD #1
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