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 1st 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

Mexican Officials
Confirm Amount of Sewage from
Transboundary Spill in Mexicali

Screening for Lead in School Drinking Water and Update on the San Miguel Gate to be Discussed at March 17 Public Meeting in Benson, Arizona

Commissioners Call on
Work Group to Investigate
Transboundary Sewage Spill

Tracking Trash Across the U.S.-Mexico Border and Developing a Sustainable Water Future for the Tijuana River Watershed on Agenda for March 2 public Meeting in Imperial Beach, CA

Brownsville Levee Rehabilitation and Saltcedar Control on Agenda for February 8 Public Meeting in Mercedes, TX

Colorado River Water
Conservation Projects, Small Public Water Systems on Agenda for January 25 Public Meeting in Yuma, AZ

Rio Grande Flood Control Improvements at Canutillo and El Paso Drainage Assessment on Agenda for January 12 Public Meeting in El Paso, TX

U.S.-Mexico Release Binational Study of the San Pedro River Aquifer

Nogales Storm Water
Infrastructure to be Discussed during December 15 Public Meeting in Nogales, AZ

Environmental Assessment for the Rehabilitation of the Levee System in the Tijuana River Flood Control Project

More Press Releases . . .