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Memorandum of Understanding (MOU) - US & Mexico Addressing the Sanitation and Environmental Crisis in the TJ–San Diego Region

EPA News Release - ICYMI Environmental Protection Agency Media Coverage on US/Mexico Agreement to San Diego/Tijuana Sewage Crises

USIBWC Commissioner Chad McIntosh Releases Statement on Memorandum of Understanding Between the US and Mexico Regarding the San Diego/Tijuana Sewage Crisis

USIBWC News Flash - Moving Fast and Fixing Things: USIBWC Focused On Infrastructure Improvements and Tijuana River Pollution

USIBWC Press Release - USIBWC and EPA Launch Fast-Track Expansion to Address Tijuana River Water and Air Quality Concerns

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20250730 - Update

Recent Update

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The expansion of the South Bay International Wastewater Treatment Plant, combined with wastewater infrastructure improvements in Mexico under Minute 328, is intended to eliminate up to 90% of untreated wastewater reaching the coast.

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Video Gallery

Memorandum of Understanding (MOU) signing in Mexico City, Mexico, between the US & Mexico to address and solve the decades-long Tijuana River sewage crisis.

July 24, 2025

USIBWC & South Bay wastewater treatment plant Progressive Design Build (PDB) contractors presenting 100-Day incremental increase updates to the San Diego Citizens Forum board in Coronado Island, California.

June 12, 2025

U.S. Environmental Protection Agency (EPA) Admin. Lee Zeldin, delivering remarks at a virtual press conference on Tijuana River sewage crisis in Mexico City, Mexico.

July 24, 2025