Shoreline Living and Restoration

How the Elwha Dam Removals Changed the River’s Mouth

January 18, 2018

Read in UW News

For decades, resource managers agreed that removing the two dams on the Elwha River would be a big win for the watershed as a whole and, in particular, for its anadromous trout and salmon. The dams sat on the river for more than 100 years, trapping approximately 30 million tonnes of sediment behind their concrete walls. As the dams were removed between 2012 and 2014, much of this sediment was released downstream — and ...

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Elwha River Update — Dramatic Changes Afoot

March 20, 2015

A paper in Geomorphology was just published on the dramatic changes that have come to the Elwha River delta following the removal of two dams and the restoration of natural sediment flow. The paper was coauthored by Washington Sea Grant’s (WSG) Coastal Hazards Specialist and resident geologist Ian Miller. Ian’s Port Angeles base gives him a ringside seat on this historic process. See “Large-scale dam removal on the Elwha River, Washington, USA: Coastal geomorphic change.”

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