After the Supreme Court sided with the federal government in the Texas v. New Mexico water case, the parties are going back to the drawing board.

The amendment to a 1944 treaty will help Mexico catch up with its water deliveries to the U.S. and might help Rio Grande Valley farmers devastated by low rainfall.

Mexico and the U.S. have reached an agreement to address Mexico's habit of falling behind in water-sharing payments. The agreement announced Saturday “provides Mexico with tools and flexibility."