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Officials gave an update on the removal of the Gorge Dam in Cuyahoga Falls, announcing the US EPA has cleared $100 million to remove toxic sediment.
The removal of the Gorge Dam on the Cuyahoga River is in sight, as toxic sediment is to be taken to a former dump off Peck Road in Akron.
Rindge Dam near Malibu, California, built in 1924, completely silted and abandoned by the 1950s. The 100 ft (30 m) privately owned Rindge Dam on Malibu Creek in the Santa Monica Mountains of California was built in 1924 and has been allowed to completely fill with sediment, making it functionally obsolete but still a potential hazard.
From the sediment-filled Matilija Dam to the seismically unsafe Potter Valley Project complex on the North Coast, momentum around removing dams that do more harm than good is growing.
Gorge Dam is one of three along the upper Skagit River in Whatcom County, Washington, and part of the Skagit River Hydroelectric Project that supplies Seattle with some of its power needs. Construction on the original wooden Gorge Dam began in 1921, with its generators formally started by President Calvin Coolidge on September 17, 1924. [ 1 ]
The flushing flow method involves partially or completely emptying the reservoir behind a dam to erode the sediment stored on the bottom and transport it downstream. [7] [6] Flushing flows aim to restore natural water and sediment fluxes in the river downstream of the dam, however the flushing flow method is less costly compared to removing dams or constructing bypass tunnels.
The largest dam is the Gorge Metropolitan Park Dam, also known as the FirstEnergy Dam, on the border between Cuyahoga Falls and Akron. This 57-foot (17 m) dam has for over 90 years submerged the falls for which the City of Cuyahoga Falls was named; more to the point of water quality, it has created a large stagnant pool with low dissolved oxygen.
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. ... But the current sediment ...