Our mission 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.

About Us

The U.S. Section of the International Boundary and Water Commission (USIBWC), headed by Commissioner Edward Drusina, is a federal government agency and the U.S. component of the International Boundary and Water Commission (IBWC), which applies the boundary and water treaties of the United States and Mexico and settles differences that may arise in their application  More

U.S. IBWC Boundary Marker

No FEAR Act Data
Posted Pursuant to the No FEAR Act updated 2nd Qtr 2017: EEO Data

Freedom of Information Act
Find F.O.I.A. compliance information and procedures on how to request information from U.S. IBWC.

Flood Warning Notices
See Flood Warning Notices to the general public, all owners, lessees, licensees and users of lands in the border region.

Rio Grande Water Flows
Quick link to real time water flows of the Rio Grande

Suspected Fraud
For information on how to report suspected fraud and or to obtain IG reports, please visit:  www.oig.state.gov or 202-663-0340
Mexican Section of the IBWC
Visit the website of our counterpart, la Comisión Internacional de Límites y Aguas (CILA)

The Office of Special Counsel (OSC)
Visit the Office of Special Counsel (OSC) website to read about Whistleblower rights, the Hatch Act, Prohibited Personnel Practices or file a claim

OSC Posters:
Whistleblower Retaliation
Prohibited Personnel Practices

News and Press Releases

Notice of Availability of Draft Supplemental Environmental Assessment for Rio Grande Flood Control Improvements in Vinton and Canutillo, Texas

Groundwater Data and Arizona-Sonora Environemental Strategic Plan to be Discussed at June 15th Public Meeting in Green Valley, AZ

Developing a Sustainable Water Future for the Tijuana River Watershed and Investigative Report on the February Spill in the Tijuana River on Agenda for June 1st Public Meeting in Imperial Beach, CA

Trends in the Border Patrol's Rio Grande Valley Sector and Mexico's Rio Grande Water Deliveries to the United States Set for May 10th Public Meeting in Mecredes, TX

New River Improvement Project for Calexico, Salton Sea Policy on Agenda for April 26 Public Meeting in El Centro, CA

Investigation Finds Sewer Line Break and Other Wastewater Sources Affected the Tijuana River

2017 Rio Grande Water Deliveries for Irrigation Season, De-Silting Projects on Agenda for April 13 Public Meeting in Las Cruces

Mexican Officials
Confirm Amount of Sewage from
Transboundary Spill in Mexicali

More Press Releases . . .