Army Corps plan for Columbia River dredge spoils could cost SW Washington ports millions

By: Henry Brannan

Outlets: Washington State Standard

Published: March 19, 2026

Words: 1,536

Last Updated: 1 day, 15 hours 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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