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 3rd 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: https://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

USIBWC Announces Bird Hunting Areas Along the Rio Grande in Southern New Mexico and West Texas

International Boundary and Water Commission Undertakes Actions to Address Sanitation Concerns at San Diego-Tijuana Border

Sewage Leak in Nogales Has Been Contained

USIBWC Hires KE&G Construction to Perform International Sewer Pipe Repairs


50-Year History of Hurricane Beulah, Tropical Storm Predictions, and Vehicular Gates Installed on Levees to be Discussed at August 9 Public Meeting in Mercedes, TX

Pilot Fallowing Program and Aquatic Invasive Species of the Lower Colorado River on Agenda for July 26th Public Meeting in Yuma, AZ

ADDENDUM: USIBWC will be holding a public meeting to discuss the proposed Canutillo Phase II Flood Control Improvements and the Draft Environmental Assessment on Tuesday, July 18, at 5:00 p.m. at the Village of Vinton, City Hall, 436 E. Vinton Road, Vinton, Texas. The comment period for the Draft Environmental Assessment has been extended through July 26, 2017.

Rio Grande Water Quality and Boundary Preservation Project on Agenda for July 13 Public Meeting in El Paso

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

More Press Releases . . .