9 Nov 2020

Corps replaces king piles, part of the “unsung heroes” of navigation

A $2.1 million U.S. Army Corps of Engineers project to replace missing king piles, some of which have been in place since 1885. The project is part of a greater effort to repair pile dikes. In total, 68 new king pile markers sporadically from Puget Island (river mile 41) to Multnomah Falls (river mile 136) will go in.

13 May 2020

Corps warns mariners about underwater pile dikes on Columbia River

The U.S. Army Corps of Engineers advises recreational boaters and commercial mariners that recent high water levels may be concealing some pile dikes on the Columbia River.

15 May 2018

Corps warns mariners about underwater pile dikes on Columbia River

The U.S. Army Corps of Engineers advises recreational boaters and commercial mariners that recent high water levels may be concealing some pile dikes on the Columbia River.

21 May 2013

Corps reminds mariners to avoid pile dikes

The U.S. Army Corps of Engineers advises boaters and commercial mariners to be aware that some Columbia River pile dikes may be underwater.