Megadrought is testing 1944 U.S.-Mexico water treaty

U.S.–Mexico

Rio Grande water sources such as the Amistad Reservoir (above) have been taxed by the ongoing megadrought.

Mexico and the United States have again kicked the can down the road in their increasingly tense dispute over cross-border water-delivery commitments that U.S. officials say Mexico must meet and Mexican officials contend it cannot easily satisfy on account of an ongoing megadrought. After a quick round of high-level talks, the two nations on Dec. 12 announced an agreement under which Mexico would send 202,000 acre-feet of water to Texas beginning in mid-December. In a joint statement, the two nations framed the delivery as an immediate measure until a more detailed accord is reached by Jan. 31, 2026. On Dec. 22, the first water began flowing to the United States from El Cuchillo Reservoir in the northern Mexican state of Nuevo León. Under the 1944 U.S.-Mexico Water Treaty, Mexico is expected to send a total of 1.75 million acre-feet of water to Texas... [Log in to read more]

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