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The city of Seattle, Washington, is located on a narrow isthmus between Puget Sound on the west and Lake Washington on the east; water comprises approximately 41% of the total area of the city. [1] It was founded on the harbor of Elliott Bay , home to the Port of Seattle —in 2002, the 9th busiest port in the United States by TEUs of container ...
As of 2023, the U.S. state of Washington has 1,242 dams that are able to impound 10 acre-feet or more of water and are regulated by the Washington State Department of Ecology (DOE). These include dams that produce hydroelectricity and create reservoirs for irrigation, drinking water, or recreational uses. According to the DOE, approximately 52 ...
The Lake Washington Ship Canal is a canal that runs through the city of Seattle and connects the fresh water body of Lake Washington to the salt water inland sea of Puget Sound. The Hiram M. Chittenden Locks accommodate the approximately 20-foot (6.1 m) difference in water level between Lake Washington and the sound.
The average volume of water flowing in and out of Puget Sound during each tide is 1.26 cubic miles (5.3 km 3). The maximum tidal currents, in the range of 9 to 10 knots, occurs at Deception Pass. [3] Water flow through Deception Pass is approximately equal to 2% of the total tidal exchange between Puget Sound and the Strait of Juan de Fuca. [3]
Efforts to use the Cedar River as a water source began in the 1890s. A dam was built at Landsburg and water diverted into a 29-mile (47 km) pipeline. The pipeline sent water to Seattle's Volunteer Park and Lincoln reservoirs on Capitol Hill. The first deliveries occurred in 1901. A second pipeline was built in 1909 and a third in 1923. [10] [11]
Lake Union (Lushootseed: x̌ax̌čuʔ) [3] [a] is a freshwater lake located entirely within the city limits of Seattle, Washington, United States.It is a major part of the Lake Washington Ship Canal, which carries fresh water from the much larger Lake Washington on the east to Puget Sound on the west.
Around 1900, Seattle began discharging sewage into Lake Washington. During the 1940s and 1950s, eleven sewage treatment plants were sending state-of-the-art treated water into the lake at a rate of 20 million gallons per day. At the same time, phosphate-based detergents came into wide use.
The Montlake Cut is the easternmost section of the Lake Washington Ship Canal, which passes through the city of Seattle, linking Lake Washington to Puget Sound.It opened in 1916 after 56 years of conversation and construction to create the manmade canal.