Mexico failed to deliver millions of gallons of water to South Texas farmers, in defiance of a 1944 treaty. Now, members of Texas’ congressional delegation are calling on the Trump administration to make Mexico’s failure a part of upcoming trade negotiations. … The 1944 treaty requires Mexico to deliver 1,750,000 acre-feet of water to the U.S. from six [Rio Grande] tributaries in Mexico every five years, or 350,000 acre-feet per year. In exchange, the U.S. gives Mexico 1,500,000 acre-feet of water from the Colorado River every year. However, Mexico ended the five-year cycle Friday with a debt of 925,000 acre-feet, according to preliminary numbers from the Texas Commission on Environmental Quality.

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• Spectrum News: Texas farmers brace for Mexico to not meet water treaty obligations
• MySA (San Antonio, Tex.): Mexico lags years behind on delivering water as crucial deadline looms