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.

9 Nov 2020

Corps modifies operations to improve salmon passage at Detroit Dam

The U.S. Army Corps of Engineers is modifying operations at Detroit Dam to improve juvenile salmon downstream passage survival by releasing water exclusively through the upper regulating outlets when downstream passage rates are high.