Before construction of the Lake Washington Ship Canal in 1916, Lake Washington's outlet was the Black River[?], which joined the Duwamish River and emptied into Elliott Bay[?]. When the canal was opened, the level of the lake dropped nearly nine feet. The canal to Puget Sound became the lake's sole outlet, causing the Black River to dry up and disappear, as a few years earlier, the Cedar River had been diverted to empty into Lake Washington instead of the Black.
Shoreline cities and towns: (clockwise)
Seattle, Lake Forest Park, Kenmore, Kirkland, Yarrow Point, Clyde Hill, Hunts Point, Medina, Bellevue, Beaux Arts Village, Mercer Island, Newcastle, Renton
Bridges:
Statistics:
Area of lake | 21,500 acres | 87.6 sq km |
---|---|---|
Area of drainage basin | 300,000 acres | 1,274 sq km |
Volume | 2,350,000 acre-feet | 2,900,000,000 cu m |
Depth (mean) | 108 feet | 32.9 m |
Depth (max) | 214 feet | 65.2 m |
Length | 13 miles | 21 km |
Height* | 20.6 feet | 6.3 m |
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