The U.S. Section of the International Boundary and Water Commission (USIBWC) is a federal government agency which applies the boundary and water treaties of the United States and Mexico and settles differences that may arise in their application.
The mission of the International Boundary and Water Commission is to provide binational solutions to issues that arise during the application of United States - Mexico treaties regarding boundary demarcation, national ownership of waters, sanitation, water quality, and flood control in the border region.