Tijuana River Updates - San Diego, CA - IBWC

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Tijuana River Dashboard

USMCA Tijuana River MOU

Contact Us

USIBWC Office of Public Affairs
U.S. International Boundary and Water Commission, Office of Public Affairs
4191 N. Mesa St.
El Paso, Texas 79902-1423
United States

Email:
pao@ibwc.gov

Regional Updates

March 17, 2026 - USIBWC Reports Transboundary Flow at Stewarts Drain

A pump failure at Mexican Pump Station PB1 caused excess transboundary flows at... Click to Read More

February 10, 2026 - USIBWC Reports Transboundary Flow at Stewart's Drain

A pipeline used to bypass Junction Box 1 (JB-1) and send wastewater from... Click to Read More

December 19, 2025 - USIBWC Successfully Completes Ozone Pilot Project in Tijuana River

Working with contractor Green Water Solutions LLC of Ohio, USIBWC conducted... Click to Read More

December 15, 2025 - United States and Mexico Sign Agreement to Address Border Sanitation Problem at San Diego California - Tijuana, Baja California

Today, December 15, 2025, by means of Minute 333 of the International Boundary and Water Commission (IBWC)... Click to Read More

Novemeber 21, 2025 - EPA Releases First Quarterly Public Update on Progress Toward Implementing a Permanent 100% Solution to Tijuana River Sewage Crisis

WASHINGTON – Today, in coordination with the U.S. International Boundary and Water Commission (USIBWC), U.S. Environmental Protection Agency (EPA)... Click to Read More

October 30, 2025 - Trump EPA Announces Additional Construction Timeline Reductions for Infrastructure Projects Aimed at Cleaning Up the Tijuana River Valley

WASHINGTON – Today, upon completion of a 100-day review of all existing Minute 328 infrastructure projects... Click to Read More

August 29, 2025 - EPA Administrator Op-Ed: Quick Progress in Repairs to Address Tijuana River Sewage Crisis

WASHINGTON – Yesterday, U.S. Environmental Protection Agency (EPA) Administrator Lee Zeldin published an op-ed in... Click to Read More

August 28, 2025 - Trump Administration Achieves 100-Day Goal of Increasing San Diego Plant Capacity

One hundred days ago, the U.S. Section of the International Boundary and Water Commission (USIBWC) and the... Click to Read More

July 24, 2025 - USIBWC Commissioner Statement on Tijuana River Sewage Memorandum of Understanding

Statement by W. C. “Chad” McIntosh, P.E., Commissioner (U.S. Section), International Boundary and Water Commission... Click to Read More

June 12, 2025 - Moving Fast and Fixing Things: USIBWC Focused on Infrastructure Improvements and Tijuana River Pollution

The U.S. Section of the International Boundary and Water Commission (USIBWC), working closely with U.S. EPA and other partners... Click to Read More

May 20, 2025 - USIBWC and EPA Launch Fast-Track Expansion To Address Tijuana River Water and Air Quality Concerns

The USIBWC and EPA are announcing the acceleration of the incremental expansion of the South Bay International Wastewater Treatment Plant... Click to Read More

This page is under development. More details will be posted soon.