Regional and Border Assistance

The Office of Regional and Border Assistance (ORBA) is committed to helping communities across Arizona protect public health and the environment. Our two main focuses are:

  • Assisting the public and regulated community in every region
  • Protecting public health and the environment in border communities

Community Liaisons

To better assist the public and regulated community, ORBA’s Community Liaisons serve six designated regions of Arizona | Contact Us >

The Regions Are:

  • Apache, Navajo and Gila Counties
  • Coconino and Yavapai Counties
  • Maricopa County
  • Mohave, La Paz and Yuma Counties
  • Graham, Greenlee, Cochise and Santa Cruz Counties
  • Pinal and Pima Counties

Which Community Liaison region do you belong to? | View Regions Map >

Environmental Protection at Arizona’s Border

ORBA focuses on cross-border issues that impact Arizona’s environment and citizens. We work in a binational and bicultural setting to promote efforts aimed at improving air quality, waste management and water quality conditions within Arizona’s border communities.

ORBA regularly meets with the Arizona-Mexico Commission (AMC) to develop action plans for projects or activities done in collaboration with the State of Sonora. Progress on action plans are reported to the AMC.

Arizona-Mexico Commission | Learn More >
Arizona-Sonora Environmental Strategic Plan | View/Download > 
Arizona-Sonora Environmental Strategic Plan Closeout Report | EnglishEspañol >

We also work with U.S. Environmental Protection Agency (EPA) through its U.S./Mexico Border 2025 Program, which includes regional coordinators addressing environmental issues spanning both sides of the border | Learn More >

Arizona Border Trash

The Arizona Border Trash website,, is no longer online due to the limited number of cleanups documented since 2019 by groups conducting them. For historical files and/or data from this website please make a public records request | Learn How >

For information about current border trash cleanups | Visit U.S. Bureau of Land Management’s Arizona State Office > or Tohono O’odham Nation Solid Waste Management Program >