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The Chelan River has a history of dam development for navigation, power generation, and water supply. In 1894, floodwaters pushed the lake level 11 feet (3.4 m) above the old (pre-project) high-water mark. The future spillway segment of the dam was calculated and built to avoid a recurrence of such flooding.
Lake Chelan (/ ʃ ə ˈ l æ n / shə-LAN) is a narrow, 50.5 mi (81.3 km) long lake in Chelan County, north-central Washington state, U.S. [1] It is an overdeepened lake and resembles a fjord, with an average width of 1.3 mi (2.1 km). Near its upper end, the lake surface lies more than 6,600 ft (2,000 m) below peaks less than 3 mi (4.8 km) away.
Lake Chelan Dam: Chelan: Chelan River: Lake Chelan [n 6] Gravity 59.2: 40 12 677,400 835,600 1927 Chelan County Public Utility District: Hydroelectric Lake Tapps (Multiple dikes) Pierce: Off-stream Lake Tapps: Earthfill 48,258 59,525 1911 Cascade Water Alliance: Recreation, Water supply (proposed) Little Goose Dam: Columbia/ Whitman: Snake ...
The Chelan River originates at the outlet of Lake Chelan, in the city of Chelan at the southern end of the lake. Lake Chelan Dam, also in the city of Chelan, blocks the river. The dry riverbed runs 3.9 miles (6.3 km) through a steep and rocky gorge, dropping 401 feet (122 m) before reaching the Columbia River near the community of Chelan Falls.
Rocky Reach Dam is a run-of-the-river hydroelectric dam in the U.S. state of Washington owned and operated by Chelan County Public Utility District. It has 11 generators rated in total 1300 MW. It has 11 generators rated in total 1300 MW.
The largest dam removal project in U.S. history has freed the Klamath River, inspiring hope among Indigenous activists who pushed for rewilding to help save salmon.
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.
The smallest dam, Copco No. 2, was torn down by crews using heavy machinery. The other three dams are set to be dismantled next year, starting with a drawdown of the reservoirs in January.