Oregon has no timeline for removing abandoned military vessels on Columbia River "We have spent over $300,000 to have these vessels assessed and remove any pollution that could be on them," U.S. Coast Guard Lt. Lisa Siebert said. Author: Morgan Romero Updated: 7:15 PM PDT July 27, 2021 PORTLAND, Ore. — As you cross the beautiful Columbia River on the I-5 bridge, it's not unusual to see ships. But look closer at two large vessels moored near the shore of Hayden Island, and you'll see they aren't so much ships as floating pieces of garbage — two extreme examples of a very complicated problem on waterways across Oregon and the country.