Seattle District Header Image

SEATTLE DISTRICT

Home
The U.S. Army Corps of Engineers began construction on the new $112 million Mud Mountain Dam Fish Passage Facility. Kiewit Infrastructure West Company, provided this video of them diverting the White River to isolate the left bank for demolition of the existing barrier dam to begin construction of the new project.
Flip the River Video
The U.S. Army Corps of Engineers began construction on the new $112 million Mud Mountain Dam Fish Passage Facility. Kiewit Infrastructure West Company, provided this video of them diverting the White River to isolate the left bank for demolition of the existing barrier dam to begin construction of the new project.
Seattle District fishery biologist Rafael Lopez-Gonzalez holds garter snakes above Howard Hanson Dam. Rafael is working with a team of herpetologist from U.S. Army Engineer Research and Development Center (ERDC) conducting field studies to survey for reptiles and amphibians at Mud Mountain Dam and Howard Hanson Dam.
Herpetological Survey
Seattle District fishery biologist Rafael Lopez-Gonzalez holds garter snakes above Howard Hanson Dam. Rafael is working with a team of herpetologist from U.S. Army Engineer Research and Development Center (ERDC) conducting field studies to survey for reptiles and amphibians at Mud Mountain Dam and Howard Hanson Dam.
The White River’s 2016 Chinook salmon run numbers were the best seen in 71 years until 2017’s run.

Runs consistently averaged 1,565 in the early 2000s, but 2017’s count as of mid-October was 15,565, a 67 percent increase from 2016’s 9,347 total.
White River Chinook runs rising through collaborative efforts, operational changes
The White River’s 2016 Chinook salmon run numbers were the best seen in 71 years until 2017’s run. Runs consistently averaged 1,565 in the early 2000s, but 2017’s count as of mid-October was 15,565, a 67 percent increase from 2016’s 9,347 total.
Seattle District employees pose for a group photo June 29, 2017.
Seattle District
Seattle District employees pose for a group photo June 29, 2017.
The sun rises as seen from the Hiram M. Chittenden Locks (Ballard Locks) March 11, 2018.
Morning view at the Locks
The sun rises as seen from the Hiram M. Chittenden Locks (Ballard Locks) March 11, 2018.
The April-June 2018 Flagship is available to view online.
Flagship April-June 2018
The April-June 2018 Flagship is available to view online.

More Than a Century of Service

Seattle District - Clearing the way since 1896

Latest News Releases

Army Corps repairing levee along Skagit River

9/18/2018
The U.S. Army Corps of Engineers, Seattle District, will begin repairs the levee totaling 1,200 feet of damage, within Diking District 22, at a cost of about $960,000.

Chittenden Locks to close 10 hours September 18, 19

9/17/2018
SEATTLE – The Hiram M. Chittenden Locks will close to all marine traffic 6 a.m. to 4 p.m., September 18 and 19, 2018 for dive operations. These require the Locks be closed to all but emergency vessels on emergency calls.

Corps awards $10.5 million contract for Chittenden Locks filling gates, expect extended large chamber closures

9/12/2018
SEATTLE – A contract to replace the original large lock chamber’s 100-year-old filling culvert gates at the Hiram M. Chittenden Locks in Ballard was awarded by U.S. Army Corps of Engineers officials September 10, 2018. Ferndale, Washington, headquartered IMCO received the contract award for their $10.5 million bid. The project will replace the original valves, called Stoney Gate Valves, designed and originally used during the Panama Canal construction.

Photos