Federal Judge Halts Border Wall Construction Across Texas Big Bend Sector Amid Environmental Lawsuit

U.S. District Judge Kathleen Cardone issued a preliminary injunction on October 2, 2026, halting all ground-disturbing activities and border barrier construction across the entire Big Bend sector in West Texas, a region spanning more than 500 miles along the Rio Grande. The ruling, delivered from the bench after a hearing in El Paso, applies to Big Bend National Park, Big Bend Ranch State Park, and surrounding private lands, staying in effect while a lawsuit challenging federal waivers of environmental laws proceeds. Plaintiffs, led by the Center for Biological Diversity on behalf of the Friends of the Ruidosa Church and local landowner/river guide Danny William Miller, argued the waivers—issued by the Department of Homeland Security to bypass the National Environmental Policy Act, Archaeological and Historic Preservation Act, and dozens of other statutes—violate constitutional separation of powers and threaten irreparable harm to biodiversity, historic sites, and private property. Cardone found the plaintiffs likely to succeed on at least one claim and at risk of serious harm without relief. The Big Bend sector, covering roughly a quarter of the U.S.-Mexico border, accounts for just 1-3% of annual migrant apprehensions, underscoring questions about resource allocation in a $46 billion border infrastructure push. CBP maintains confidence in its legal authorities, while the injunction neutralizes waivers pending full resolution. This case exemplifies broader legal tensions over expedited border projects in ecologically sensitive areas, building on prior pauses and local opposition.