Customs and Border Protection has ordered construction crews building Trump’s second border wall to stop drilling wells in drought-stricken New Mexico after ranchers said pumping the groundwater needed to mix cement could threaten their livestockConstruction crews drill wells for border wall construction in July 2026, in Luna County, N.M., along the US-Mexico border. (Russell Johnson via AP)Construction crews drill wells for border wall construction in July 2026, in Luna County, N.M., along the US-Mexico border. (Russell Johnson via AP)Construction crews drill wells for border wall construction in July 2026, in Luna County, N.M., along the US-Mexico border. U.S. Customs and Border Protection, which oversees border wall construction, has said water is needed to make concrete for roads, wall construction and dust suppression. As a former Border Patrol agent, he supports the border wall but doesn’t believe it should cost him his livelihood.