U.S. Army Corps of Engineers begins Lake Washington annual spring refill > Seattle District > Seattle District News Releases
![File:Lake Washington Ship Canal, U.S. Government Locks, Seattle, Washington. Looking east to Lake Union. - NARA - 298857.jpg - Wikimedia Commons File:Lake Washington Ship Canal, U.S. Government Locks, Seattle, Washington. Looking east to Lake Union. - NARA - 298857.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/1/14/Lake_Washington_Ship_Canal%2C_U.S._Government_Locks%2C_Seattle%2C_Washington._Looking_east_to_Lake_Union._-_NARA_-_298857.jpg)
File:Lake Washington Ship Canal, U.S. Government Locks, Seattle, Washington. Looking east to Lake Union. - NARA - 298857.jpg - Wikimedia Commons
![File:Lake Washington Ship Canal, U.S. Government Locks, Seattle, Washington. View of Lake Union and Aurora Ave. bridge... - NARA - 298869.jpg - Wikimedia Commons File:Lake Washington Ship Canal, U.S. Government Locks, Seattle, Washington. View of Lake Union and Aurora Ave. bridge... - NARA - 298869.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/thumb/8/83/Lake_Washington_Ship_Canal%2C_U.S._Government_Locks%2C_Seattle%2C_Washington._View_of_Lake_Union_and_Aurora_Ave._bridge..._-_NARA_-_298869.jpg/1006px-Lake_Washington_Ship_Canal%2C_U.S._Government_Locks%2C_Seattle%2C_Washington._View_of_Lake_Union_and_Aurora_Ave._bridge..._-_NARA_-_298869.jpg)
File:Lake Washington Ship Canal, U.S. Government Locks, Seattle, Washington. View of Lake Union and Aurora Ave. bridge... - NARA - 298869.jpg - Wikimedia Commons
![Lake Washington Ship Canal Bridge under construction, Seattle, December 27, 1960 - Museum of History and Industry - University of Washington Digital Collections Lake Washington Ship Canal Bridge under construction, Seattle, December 27, 1960 - Museum of History and Industry - University of Washington Digital Collections](https://digitalcollections.lib.washington.edu//iiif/2/imlsmohai:446/full/640,/0/default.jpg)
Lake Washington Ship Canal Bridge under construction, Seattle, December 27, 1960 - Museum of History and Industry - University of Washington Digital Collections
![Due to construction of Lake Washington Ship Canal, Lake Washington is lowered 9 feet beginning on August 28, 1916, and the Black River disappears. - HistoryLink.org Due to construction of Lake Washington Ship Canal, Lake Washington is lowered 9 feet beginning on August 28, 1916, and the Black River disappears. - HistoryLink.org](https://www.historylink.org/Content/Media/Photos/Large/construction-of-lake-washington-ship-canal-seattle-1912.jpg)
Due to construction of Lake Washington Ship Canal, Lake Washington is lowered 9 feet beginning on August 28, 1916, and the Black River disappears. - HistoryLink.org
![Lake Washington Ship Canal, U.S. Government Locks, Seattle, Washington. View of Lake Union and Aurora Ave. bridge under construction. Vertical clearance of 135 feet; horizontal distance between center line of piers, 800 Lake Washington Ship Canal, U.S. Government Locks, Seattle, Washington. View of Lake Union and Aurora Ave. bridge under construction. Vertical clearance of 135 feet; horizontal distance between center line of piers, 800](https://c8.alamy.com/comp/TY7GH8/lake-washington-ship-canal-us-government-locks-seattle-washington-view-of-lake-union-and-aurora-ave-bridge-under-construction-vertical-clearance-of-135-feet-horizontal-distance-between-center-line-of-piers-800-feet-scope-and-content-the-us-army-corps-of-engineers-extensively-photographed-many-of-the-civil-works-project-and-river-and-harbor-improvement-that-they-were-involved-with-the-lake-washington-ship-canal-and-the-hiram-chittenden-locks-were-built-to-allow-passage-between-fresh-water-lake-union-and-salt-water-puget-sound-TY7GH8.jpg)
Lake Washington Ship Canal, U.S. Government Locks, Seattle, Washington. View of Lake Union and Aurora Ave. bridge under construction. Vertical clearance of 135 feet; horizontal distance between center line of piers, 800
![Lake Washington Ship Canal, U.S. Government Locks, Seattle, Washington. Removing lower guard gate, small laock, showing leaf being placed ond U.S.E.D. Scow no. 5.; Scope and content: The US Army Corps of Lake Washington Ship Canal, U.S. Government Locks, Seattle, Washington. Removing lower guard gate, small laock, showing leaf being placed ond U.S.E.D. Scow no. 5.; Scope and content: The US Army Corps of](https://c8.alamy.com/comp/TY7GHA/lake-washington-ship-canal-us-government-locks-seattle-washington-removing-lower-guard-gate-small-laock-showing-leaf-being-placed-ond-used-scow-no-5-scope-and-content-the-us-army-corps-of-engineers-extensively-photographed-many-of-the-civil-works-project-and-river-and-harbor-improvement-that-they-were-involved-with-the-lake-washington-ship-canal-and-the-hiram-chittenden-locks-were-built-to-allow-passage-between-fresh-water-lake-union-and-salt-water-puget-sound-TY7GHA.jpg)