Regulation & law · 20/04/2010Updated: 10/17/2026 · 1 min read
Coast Guard Establishes Regulated Navigation Areas at Port of Portland Terminal 4
Summary
The U.S. Coast Guard is creating two Regulated Navigation Areas (RNAs) at the Port of Portland Terminal 4 on the Willamette River in Portland, Oregon, to protect engineered sediment caps at the Portland Harbor Superfund Site during a removal action.