U.S. International Boundary and Water Commission
@usibwc
The official X Account for the U.S. Section of the International Boundary and Water Commission (USIBWC). Following, Reposts, and Likes ≠ endorsement.
🇺🇸🇲🇽 Major Milestone Reached! The US & Mexico are collaborating to improve water infrastructure in the Tijuana River watershed. The US will fund key projects, continue expanding the South Bay wastewater plant capacity, and inform Mexico of trash removal expenses. Mexico will…

The new US-Mexico agreement today delivers a massive victory for San Diego area residents who have been desperately waiting decades for this permanent 100% solution to the Tijuana River Sewage Crisis. nbcsandiego.com/news/local/u-s…
Hoy se firmó el Memorando de Entendimiento entre 🇲🇽 y 🇺🇸 mediante el cual se destaca el compromiso del @GobiernoMX por atender el saneamiento fronterizo de la región Tijuana-San Diego, y de continuar implementando los proyectos acordados bajo el Acta 328 de esta Comisión.
The Trump Admin is excited to deliver this MASSIVE environmental and national security win for Americans in the San Diego area who have been suffering for decades, living with disgusting raw sewage flowing into their communities from Tijuana, Mexico. Since my visit to San Diego…
"This agreement is a major step toward achieving the Trump Administration's goal of a long-lasting, comprehensive solution to the Tijuana River pollution crisis." #Read @usibwc Commissioner W. C. “Chad” McIntosh's Statement on today's Tijuana River Sewage Memorandum of…
THANK YOU FOR YOUR ATTENTION TO THIS MATTER. epa.gov/newsreleases/u…
In Mexico City now, on behalf of the USA and Trump Admin, I am signing a detailed Memorandum of Understanding with Mexico to achieve a 100% PERMANENT and URGENT solution to the decades old Tijuana River Sewage Crisis! The Trump Admin’s top 3 goals/milestones in this agreement…
🇺🇸South Bay Project Design Build - Incremental Increase Update! This week, work continues with installing pipes and electrical systems to ensure all our wastewater equipment operates optimally. Crews were seen placing 4,000lb metal plates to redirect water flow during upgrades…


I am on my way to Mexico City, Mexico, where tremendous progress has been made in negotiations to finalize a 100% solution to urgently and permanently end the decades-long Tijuana River Sewage Crisis. MAJOR announcement coming later today.
The #USIBWC is dedicated to #ProtectingAmericans’ health and quality of life by addressing critical issues such as #MexicanSewage, adequate infrastructure maintenance, flooding, and ensuring fair water apportionment to all Americans. We are committed to working with our federal,…

The #USIBWC is committed to #ProtectingAmericans from #MexicanSewage and holding #Mexico accountable as we move towards a comprehensive solution to this decades-long issue. In doing so, we’re inviting all interested wastewater treatment plant operators to join us for an Industry…

Today, @EPA leadership, @USAmbMex, @StateDept, and I met with Mexico’s delegation at EPA HQ, where we made measurable progress toward a permanent 100% solution to the decades-old Tijuana River sewage crisis. EPA is committed to pursuing this solution with the utmost urgency!
#USIBWC South Bay Project Design Build Update: Huge advancements this week. We've received the pipes needed for our incremental expansion project! Pipe Installation began immediately which will help deliver solids to the sludge thickening tanks and send sewage through our…


U.S. Amb to Mexico Ron Johnson and Mexico’s delegation are here at EPA HQ today as negotiations ramp up to reach a permanent 100% solution to urgently end the Tijuana River sewage crisis. The Trump EPA is fighting hard to deliver clean air, land, and water for ALL Americans!
@USAmbMex visitó la Planta Internacional de South Bay @USIBWC y San Antonio de los Buenos #SAB @conagua_mx, ambas claves para mitigar la contaminación del Océano Pacífico. Agradecemos a @BCGobierno por su hospitalidad. Estas obras binacionales protegen nuestras aguas y…
Vi de primera mano esfuerzos en ambos lados de la frontera para enfrentar desafíos regionales de aguas residuales. Las mejoras en la planta de South Bay de @USIBWC en San Ysidro y en San Antonio de los Buenos en Tijuana son clave para mitigar la contaminación, pero falta más por…
I saw first-hand efforts on both sides of the border to address regional wastewater challenges. The improvements at the @USIBWC South Bay International Plant in San Ysidro and the San Antonio de los Buenos Plant in Tijuana are key to mitigating pollution, but more needs to be…
Today we welcomed U.S. Ambassador to #Mexico Ronald Johnson & #Tijuana Consul General Christopher Teal, @EPAregion9 Administrator Josh Cook and Thomas Corlett, Senior Advisor to @epaleezeldin to tour the #USIBWC South Bay International Wastewater Treatment Plant. Ambassador…


The Amistad Dam International crossing, located on Texas Spur 349 in Del Rio, Texas, is temporarily closed. The Amistad Dam International crossing is tentatively scheduled to reopen on Friday, August 1, 2025. This most recent closure is due to maintenance issues.
Last month, the #USIBWC advanced restoration of native vegetation along critical waterways in the #ElPaso #TX & #LasCruces #NM. Restoring native plants reinforces our levees, reduces erosion, and improves water retention, directly strengthening #AmericanInfrastructure. This work…

