Corps of Engineers’ plan to address Columbia River dredge spoils could cost Southwest Washington ports millions

By: Henry Brannan

Outlets: The Columbian

Published: March 17, 2026

Words: 1,525

Last Updated: 2 months, 1 week ago

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The federal agency that maintains the Columbia River’s shipping channel is proposing to build seven giant in-water pens as part of a $377 million project to manage dredge spoils over the next 20 years.

Meanwhile, the river’s shipping industry is working to get local ports off the hook for part of the $132 million they will soon have to pay for the project.

Shippers move tens of billions of dollars in goods on the channel …

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