The EPA remains firm: it will not review the Tijuana River estuary to determine its Superfund status.

The U.S. Environmental Protection Agency (EPA) will not reconsider its refusal to investigate whether the Tijuana River estuary qualifies as a Superfund site, a designation given to the most polluted areas in the country that require long-term cleanup. In a letter sent Friday to Imperial Beach Mayor Paloma Aguirre, Cheree Peterson, the federal agency's acting regional administrator, stated that an eligibility review remains unwarranted, even tho…