Welcome

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

EEO Data
Posted Pursuant to the No FEAR Act
3rd Qtr 2014: EEO Data pdf 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)

News and Press Releases
10/15/2014
Flood Control Issues on Agenda for October 23rd Public Meeting In Las Cruces, NM

10/15/2014
Mexico Reports Normal Levels of Heavy Metals in the San Pedro River in Mexico

10/3/2014
U.S. Lab Results Normal, Mexican Results Pending After Mexican Mine Spill in San Pedro River Watershed

9/23/2014
San Pedro River Water Quality Monitored After Small Spill From Mexican Mine

9/19/2014
USIBWC and City of Nogales Assess Flood Damage to Nogales Wash

9/5/2014
Ocean Pollution on Agenda for September 18th Public Meeting In Imperial Baech, CA

9/4/2014
September 18th Public Meeting in Tucson, AZ to Discuss Regional Groundwater Issues and Drought Planning

More Press Releases . . .