U.S. Environmental Protection Agency Orders $1 Billion Cleanup of Portland Harbor Superfund Site

The U.S. Environmental Protection Agency has ordered a $1.05 billion cleanup of the federal Superfund site in Portland Harbor. That’s a significant increase since the draft $746 million proposal last June spurred outcry from environmental watchdogs and Native American tribes. The increased price tag results from the EPA adopting a plan that requires a more aggressive cleanup. In all, 365 acres of the bed of the Willamette River—100 more acres than previously proposed under the draft plan released on June 8—will be actively dredged or capped under this plan. Dredged river soil will be transported off-site, rather than disposed of in the river as previously proposed. The cleanup of the 10-mile long stretch of river is now expected to take 13 years.


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