Groundwater Management Area 11

GMA 11-2025.10.14 Presentation by Dr. William R. Hutchison

Texas Water Development Board – GMA 11 Website

GMA 11 Boundary Map

GCDs in GMA 11

GCDs in Texas

Reports:

Resolution Adopting DFC’s August 11, 2021

Modeled Available Groundwater – 2017

Draft Explanatory Report 

Proposed DFC Resolution

Technical Memorandum 16-06

Technical Memorandum 16-05

Technical Memorandum 16-04

Technical Memorandum 16-03

Technical Memorandum 16-02 Draft 2

Technical Memorandum 16-02 Draft 1

Technical Memorandum 16-01 Draft 1

GMA 11 Presentation – March 22, 2016

2015 Groundwater Availability Model (GAM) – Initial Simulations

Agendas:

GMA 11-October 14, 2025 Meeting Agenda

GMA 11- May 15, 2024 Meeting Agenda

GMA 11- April 5, 2023 Meeting Agenda

GMA 11 – August 11, 2021 Meeting Agenda

GMA 11 – April 28, 2021 Meeting Agenda 

GMA 11 – March 10, 2021 Meeting Agenda 

GMA 11 – February 9, 2021 Meeting Agenda 

GMA 11- November 18, 2020 Meeting Agenda 

GMA 11 – July 22, 2020 Meeting Agenda

GMA 11 – October 8, 2019 Meeting Agenda

GMA 11 – July 3, 2019 Meeting Agenda 

Meeting Minutes

May 15, 2024 GMA 11 Board Meeting Minutes

April 5, 2023 GMA 11 Board Meeting Minutes

April 20, 2022 GMA 11 Board Meeting Minutes

August 11, 2021 GMA 11 Board Meeting Minutes

April 28, 2021 GMA 11 Board Meeting Minutes

March 10, 2021 GMA 11 Board Meeting Minutes

February 9, 2021 GMA 11 Board Meeting Minutes

November 18, 2020 GMA 11 Board Meeting Minutes

July 22, 2020 GMA 11 Board Meeting Minutes

October 8, 2019 GMA 11 Board Meeting Minutes

Other Links:

Explanatory Report & Tech Memo 

Proposed DFC’s April 28, 2021

Notice of Public Comment Period

Modeled Available Groundwater

For more information on the Texas Water Development Board’s Groundwater Availability Model for our area, see the following:

Northern Carrizo-Wilcox GAM Report