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
Recent Update
🇺🇸South Bay Project Design Build – Incremental Increase Update, Day 94!
— U.S. International Boundary and Water Commission (@usibwc) August 21, 2025
We're getting closer to our final week of increasing our capacity to treat an additional 10 Million Gallons per Day (MGD) in just 100 days. The #USIBWC stands committed to #ProtectingAmericans from… pic.twitter.com/eQiHtDYuH3
Photo Gallery
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.
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