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Approximately 87 percent of dams in Washington are earth fill dams, with the second most-common type being concrete gravity dams (6%). Only 113 dams in the state are taller than 50 feet (15 m). King County has 123 dams—the most of any county in the state. [1] The majority of dams were built between 1960 and 1999. [1]
Major dam construction began in the early 20th century and picked up the pace after the Columbia River Treaty in the 1960s, by the mid 1980s all the big dams were finished. Including just the dams listed below, there are 60 dams in the watershed, with 14 on the Columbia, 20 on the Snake , seven on the Kootenay , seven on the Pend Oreille ...
The Pacific Northwest Power Company, a consortium of four private utilities, proposed the "High Mountain Sheep Dam" on the Snake River just upstream of the Salmon River. The even bigger "Nez Perce Dam", proposed by the Washington Public Power Supply System, would be located downstream of the Salmon River.
Pages in category "Dams in Washington (state)" The following 70 pages are in this category, out of 70 total. This list may not reflect recent changes. ...
The cost of the dam was $13 million ($153,339,181 in 2006 dollars). [6] In 1961 a new Gorge High Dam was completed (300 feet (91 meters)) to replace the original Gorge Dam. This dam was featured in Alan Pakula's 1974 thriller The Parallax View, starring Warren Beatty. Construction of Diablo Dam was begun in 1927, five miles upstream from Gorge Dam.
The nearly 8100 major dams in the United States in 2006. The National Inventory of Dams defines a major dam as being 50 feet (15 m) tall with a storage capacity of at least 5,000 acre-feet (6,200,000 m 3), or of any height with a storage capacity of 25,000 acre-feet (31,000,000 m 3).
Swift Dam or Swift No. 1 is an earth-type hydroelectric dam on the Lewis River, in the U.S. state of Washington. [2] Completed in 1958, [ 2 ] it is located in Skamania County and its reservoir is called Swift Reservoir .
This is a list of natural lakes and reservoirs located fully or partially in the U.S. state of Washington. Natural lakes that have been altered with a dam, such as Lake Chelan, are included as lakes, not reservoirs. Swimming, fishing, and/or boating are permitted in some of these lakes, but not all.