Members
- Ashley Almon
- Harlingen Citizen
- Juan Anciso
- Texas Cooperative Extension
- Sergio Del Angel
- City of La Joya
- John Avilez
- City of San Juan
- Paul Bergh
- Coalition to Save the Arroyo Colorado, Lower Laguna Madre Foundation, Coastal Conservation Association
- Randy Blankship
- Texas Parks and Wildlife Department
- Alberto Cabrera
- City of San Benito
- Mary Lou Campbell
- Sierra Club
- Julio Cerda
- City of Mission
- Ni-Bin Chang
- Texas A&M University, Kingsville
- Dr. Lee Clapp*
- Texas A&M University - Kingsville
- Anthony Covacevich
- City of Weslaco
- D.J. Davis
- TCEQ Region 15
- Eric Ellman
- Rensselaerville Institute
- Frank Flores
- City of Mission
- Juan Garcia
- Donna ISD
- Carlos Garza
- Melden and Hunt
- David Garza
- City of Pharr
- Jaime Garza
- TCEQ Region 15
- Laura De La Garza *
- Texas Sea Grant
- Jeff A. Gilbert
- City of Harlingen
- The Honorable Cesar Gonzalez
- City of San Benito
- Lino Gonzalez
- City of Rio Hondo
- Darrell Gunn
- Harlingen Wasterwater System
- Neil Haman
- Texas Water Development Board
- Oscar J. Hinojosa
- City of McAllen
- Bing Hung
- Shrimp Farm Rio Hondo
- Darla A. Jones
- City of La Feria
- Gary A. Jones
- International Boundary and Water Commission
- Ken Jones
- Lower Rio Grande Valley Development Council
- Kim Jones
- Texas A&M University, Kingsville
- Jamie Longoria
- Texas Secretary of State Office
- Joe Lopez
- City of Rio Hondo
- Brian E. Macmanus
- East Rio Hondo Water Supply Corporation
- Don Medina
- City of Pharr
- Roger Miranda
- Texas Commission on Environmental Quality
- Jose L. Moreno
- City of McAllen
- Juan Ortiz
- City of Donna
- Rey Palomo
- City of McAllen
- Marco Pedraza
- City of McAllen
- Sunny Philip
- City of La Feria
- Ruben Puente
- City of Hidalgo
- Joe Ramos
- City of Rio Hondo
- Tony A Reid
- McAllen PUB
- Bernardo Rodriguez
- City of Weslaco
- The Honorable Rick Rodriguez
- City of Harlingen
- Wes Rosenthal
- Blacklands Research Center
- The Honorable Norberto Salinas
- City of Mission
- The Honorable Joe V. Sanchez
- City of Weslaco
- Juan Selvera
- City of San Benito
- Billie Joe Simpson
- East Rio Hondo Water Supply
- Ron Thomas
- Harlingen Water Works
- Victor Trevino
- City of San Benito
- Arnold Vera
- City of Edinberg
- Joe Vera III
- City of Hidalgo
- The Honorable Rudy Villarreal
- City of Alamo
- Linda Wade
- Harlingen Consolidated ISD
* Workgroup leader