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), is headed by Commissioner Maria-Elena Giner,    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 2023EEO Data

No Fear Retaliation Notice

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.hhs.gov/ or 202-663-0340
Mexican Section of the IBWC
Visit the website of our counterpart, la Comisión Internacional de Límites y Aguas (CILA)

USIBWC Strategic Plan 2021 -2025

Office of Government Ethics (OGE)
To obtain a copy of a public financial disclosure report (OGE Form 278e), please submit OGE Form 201 to the Chief Legal Counsel

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
Your Rights
Know Your Rights

News and Press Releases

Southeast Arizona Citizens Forum In-Person Meeting on June 8

Rio Grande Update

Colorado River Citizens Forum Virtual Meeting to be held on May 17th.  

EPA and USIBWC join Mexico in Announcing Funding for Infrastructure Projects to Address Transborder Sewage

USIBWC Seeks Applicants for Citizens Forums Board in San Diego

Rio Grande Water Deliveries and Water Quality to be Presented at March 15 Public Meeting

Rio Grande White Paper | Rio Grande White Paper Executive Summary | Spanish Version

Tijuana River Valley Wastewater and Sediment Projects Focus of March 2nd Public Meeting


Commission Addresses Transboundary Wastewater Flows at San Diego California-Tijuana, Baja California

Rio Grande Habitat Restoration and Sedinment Concerns on Agenda for February 23 Public Meeting

USIBWC Schedules Public Meetings January 31 - February 2 about Falcon Dam Grazing Program

Border Sanitation Concerns in Nogales, Santa Cruz River Conditions on Agenda for February 9 Webinar

Colorado River Drought Response Activities on Agenda for Jan. 18 Virtual Public Meeting

Environmental Study Released for Projects to Mitigate San Diego - Tijuana Transborder Water Pollution

USIBWC Budget and Dam Safety Plan on Agenda for November 16 Webinar

Contract Awarded to Rehabilitate Rio Grande Flood Control Levees in Dona Ana County, New Mexico and El Paso County, Texas

NOTICE: As of March 23, 2020, The United States Section of the International Boundary and Water Commission (USIBWC) has suspended routine in-person services until further notice, to help slow the spread of Coronavirus Disease 2019 (COVID-19). USIBWC staff will continue to perform duties that do not involve contact with the public. However, USIBWC will respond to emergency situations. To report an emergency, please contact the appropriate official at our field office or HQ POC.

More Press Releases . . .