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.
The request is the county’s latest effort to seek federal help to address longstanding sewage contamination in south San Diego County after the EPA denied a request to investigate the Tijuana River Valley earlier this year. The EPA said in a letter at the time that the contaminants found in the region did not exceed levels that endanger human health, while county leaders said the EPA was relying on outdated data and did not visit the site in person.
On Tuesday, the Board of Supervisors voted to ask the San Diego Regional Water Quality Control Board to fund a two-year study of soil and water at 11 sites from Los Peñasquitos Lagoon to Famosa Slough…