Board of Supervisors seek Tijuana River Valley pollution study

Board of Supervisors seek Tijuana River Valley pollution study

The San Diego County Board of Supervisors voted this week to seek a $1.4 million pollution study of the Tijuana River Valley, which county officials hope will convince the U.S. Environmental Protection Agency to declare the area a Superfund site.

Still eyeing Superfund designation, Supervisors request state funds for Tijuana River pollution study

The Tijuana River Estuary in August 2025. Photo by Megan Kitt San Diego County leaders are not ready to give up the fight to have the Tijuana River Valley investigated as a potential Superfund site. After a unanimous vote on Sept. 30, the county’s Board of Supervisors will ask for $1.4 million from the San Diego Regional Water Quality Board to test for and assess the extent of ground pollution related to the decades-long Tijuana sewage crisis. T…