Trump Urges Mexico to Honor Water Treaty or Face Possible Sanctions, More Tariffs

The Mexican president responded by saying she was confident an agreement will be reached, noting there has been a three-year drought.

A drone view of Mexico’s El Carrizo Dam, after the U.S. announced it will deny for the first time a request by Mexico to send water through a special delivery channel from the Colorado River to Tijuana, due to shortfalls in Mexico's water deliveries under the water sharing treaty signed in 1944 by both nations, in Tecate, Mexico, March 21, 2025. Jorge Duenes/Reuters

President Donald Trump on Thursday threatened Mexico with possible sanctions and additional tariffs unless it delivers water to Texas as required by a 1944 water-sharing treaty.

Trump said that Mexico had violated the treaty, under which it is required to deliver 1.75 million acre-feet of water from the Rio Grande to the United States every five years.