California pushes cross-border sewage facility upgrades to curb Tijuana River crisis

(UI) — Governor Gavin Newsom assessed progress on Tijuana River sewage cleanup efforts in a visit to wastewater treatment facilities on both sides of the U.S.-Mexico border.

The Governor highlighted recent rehabilitation efforts and secured funding aimed at reducing pollution, a cross-border issue that has impacted California communities for decades.

Newsom, working with federal, state, and local authorities, secured $453 million in federal funding to upgrade the South Bay International Wastewater Treatment Plant, which is projected to reduce sewage flows by up to 90%.

"The Tijuana River sewage crisis has impacted our communities for far too long. Thanks to our partnership with international, federal, and local partners, we are making real progress. But our work is far from over — we need serious, continued action to protect public health and restore our environment," Newsom said.

San Diego County Board of Supervisors Chairwoman Nora Vargas emphasized the importance of joint efforts: “Pollution in the Tijuana River Valley is the number one environmental health crisis impacting our region, and Governor Newsom coming to San Diego for today’s briefing shows his steadfast commitment to our communities. Our collaboration with Governor Newsom, as well as our federal partners, is critically important."

Since 2019, California has allocated $35 million toward cleaning up the Tijuana River Valley. These efforts include various targeted projects, from sediment management to habitat restoration and the installation of air purifiers for local residents impacted by pollution.

Federal officials committed to accelerating construction timelines, allowing quicker responses to sewage management issues. The San Diego Water Board, in partnership with California health officials, has enforced infrastructure improvements and continues to monitor water quality in the area. Additionally, California’s local air district has implemented air monitoring and health support efforts to mitigate pollution’s impact on local residents.

Newsom’s recent efforts have also expanded partnerships with Mexican authorities, following his visit to Mexico and discussions with Baja Governor Marina del Pilar Ávila Olmeda. Newsom continues to press for further federal and cross-border support, aiming to resolve what many consider the region’s most significant environmental health crisis.

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