Border 2020: The Texas-Tamaulipas-Nuevo Leon-Coahuila Regional Workgroup

The Texas/Tamaulipas/Nuevo León/Coahuila Regional Workgroup (often called the "Four-State Regional Workgroup") is one of four regional workgroups in the U.S.-Mexico Border 2020 Environmental Program (successor to Border 2012). That program is a partnership among the U.S. EPA, Mexico’s SEMARNAT (counterpart to EPA), the ten border states in the two countries, and U.S. border tribes.
- EPA's main Border 2020 website
(with a map of the four regions). - Calendar for Four-State Region
The Four-State Region extends from the Coahuila-Chihuahua border in Mexico (when that border reaches the Rio Grande, it is in the Big Bend area) eastward to the Gulf of Mexico.
As in other regions, the Four-State Regional Workgroup has four co-chairs: one from each of the two federal environmental agencies, and one from a state environmental agency on each side of the border.
Regional Co-Chairs
Federal Co-Chairs |
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United States![]() |
Sam Coleman Deputy Regional Administrator, EPA/Region 6 |
Mexico![]() |
Vacant |
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State Co-Chairs |
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United States![]() |
Carlos Rubinstein Commissioner, Texas Commission on Environmental Quality |
Mexico![]() |
Humberto René |
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Mexico |
Biol. Eglantina Canales Secretary of of the Environment, State of Coahuila |
Mexico |
Ing. Fernando Gutiérrez Moreno Secretary of Sustainable Development, State of Nuevo León |
The Regional Workgroup's Task Forces
Because this is a large geographic region with numerous cities, it has been divided geographically into three task forces (see map):
The Amistad Task Force — Val Verde, Kinney, and Maverick Counties in Texas and the Municipios of Acuña and Piedras Negras in Coahuila
The Falcon Task Force — Webb and Zapata Counties in Texas, the Municipio of Nuevo Laredo in Tamaulipas, and the Municipios of Anáhuac and Sabinas Hidalgo in Nuevo León
The Gulf Task Force — Cameron, Hidalgo, Willacy, and Starr Counties in Texas and the Municipios of Matamoros, Valle Hermoso, Reynosa, Rio Bravo, Miguel Alemán, and Camargo in Tamaulipas
Each task force has co-leaders from both sides of the border and has committees that focus on specific environmental issues (water, waste, etc.). See each task force for additional information, including priorities and projects.
Success Stories from the predecessor Border 2012 Program
- Accomplishments in 2011-2012
- Accomplishments in 2010-2011
- Accomplishments in 2007-2009
- Water-related Infrastructure in the Four-State Region with Financing from the NADB
Other Regional Information
- Calendar of Events and Meetings
- La Paz Agreement (1983 Framework Agreement between the U.S. and Mexico on Environmental Topics)

- Binational Population Data in Sister Cities along the Rio Grande
- Air Quality in Texas' Border Region
- “Municipal Guide for Comprehensive Management of Electronic Waste in the Northeast of Mexico” (English) “Guia municipal de gestión integral de residues de aparatos eléctricos and electrónicos para el noreste de México” (español)

- Border Energy web site

- Border Tire Network

- Cross-Border Agreements Related to Emergency Response








