Presidio Border Wall Lawsuit: Judge Allows DHS Plan Through Texas Levee

In a ruling that clears the way for construction to move forward, a federal judge has allowed the Department of Homeland Security to proceed with plans to build a border wall through the levee system protecting Presidio, Texas. The decision, handed down late Sunday, rejects arguments from the small border town that the project could lead to deadly flooding.

Presidio, home to about 3,200 residents, sits along the Rio Grande in the Big Bend region of southwestern Texas. The town's development district, the Presidio Municipal Development District (PMDD), filed a lawsuit in June to stop the project, warning that replacing the existing earthen levee with a 30-foot-tall steel and concrete barrier would make residents "vulnerable to deadly flash floods capable of destroying infrastructure, homes, farmland and agriculture."

Legal Battle Over Presidio Levee

The lawsuit targeted DHS and U.S. Customs and Border Protection, claiming the agencies had violated the Rivers and Harbors Act of 1899 by seeking to build the wall along the city's levee system without approval from the U.S. Army Corps of Engineers. But the legal landscape shifted dramatically on July 2, just two weeks after the lawsuit was filed, when Homeland Security Secretary Markwayne Mullin waived the law, allowing the agencies to bypass it entirely.

That waiver proved decisive. In his ruling, U.S. District Judge Reggie B. Walton wrote that the July 2 waiver "defeats any claim that the defendants violated" the Rivers and Harbors Act. Despite acknowledging the "understandable concerns" raised by the town, Walton said he was "compelled" to deny PMDD's request for a temporary block on construction.

The decision marks a victory for the Trump administration as it races to build a border wall along the U.S.-Mexico border, with cost estimates ranging from $46 billion to $48 billion. The administration has already begun awarding contracts and putting "boots on the ground" to start construction, according to the town's lawyers, who noted in June that the work was proceeding without approval from relevant agencies.

The Rivers and Harbors Act waiver was just the latest in a series of regulatory rollbacks. DHS has waived numerous laws designed to protect the environment, wildlife, archaeological sites, and Native American cultural resources to expedite border wall construction across the region. This pattern of waivers has drawn opposition from landowners, environmental groups, and Native American tribes who argue that the rapid construction endangers sensitive sites and traditional ways of life.

For Presidio, the stakes are existential. The levee system is not just a flood control measure; it's the town's primary defense against the Rio Grande's seasonal surges. Replacing it with a solid barrier, the town argues, could turn a manageable flood into a catastrophe. The PMDD expressed deep disappointment with the ruling, vowing in a Monday statement to "remain committed to protecting the Big Bend area and those who rely on the threatened levees."

Judge Walton's decision doesn't end the legal fight. The ruling only denies a temporary stay; the underlying case will continue. But the waiver of the Rivers and Harbors Act has removed a key legal hurdle, and the administration shows no signs of slowing down. Senior officials have said a first layer of the wall will be completed by next year.

The Presidio case is a microcosm of the broader tensions surrounding border wall construction: national security priorities clashing with local safety concerns, environmental protections, and legal process. The judge's ruling suggests that, at least for now, the administration's use of waiver authority will hold up in court, even when the consequences could be severe for the communities in the wall's path.

For residents of Presidio, the wait is over — but the worry is not. The wall is coming, and with it, the uncertainty of what it will mean for their town's future.

For more on border wall legal battles, see related coverage on the NBC News report and Marfa Public Radio's coverage.