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Elwha River The Elwha River, showing location of the dams. The Elwha Ecosystem Restoration Project is a 21st-century project of the U.S. National Park Service to remove two dams on the Elwha River on the Olympic Peninsula in Washington state, and restore the river to a natural state.
Removal of the Marmot Dam, Sandy River, Oregon. Dam removal is the process of demolishing a dam, returning water flow to the river [1]. Arguments for dam removal consider whether their negative effects outweigh their benefits. The benefits of dams include hydropower production, flood control, irrigation, and navigation.
The Elwha River Ecosystem and Fisheries Restoration Act of 1992 was signed by the first President Bush after it was passed by Congress. The project was projected to cost $350 million. [ 9 ] The act authorized the Secretary of the Interior to acquire and remove the two dams on the river and restore the ecosystem and native anadromous fisheries.
Since the 1950s, public agencies, tribal governments and private utilities have invested heavily in fishery restoration and hatchery programs, with limited success. The proposed removal of the four lower Snake River dams for fish passage is a significant ongoing policy debate in the Pacific Northwest.
The Freshwater Trust returns degraded streams to healthy conditions. [4] Restoration actions include planting streamside, or riparian, forests to provide shade to a stream and stabilize banks; placing large woody structures instream to provide habitat for spawning and rearing habitat; restoring flow to dewatered streams; and reconnecting streams to closed floodplains.
A tumultuous weather pattern will continue to focus across the Northwest U.S. early this week, AccuWeather experts warn. After one atmospheric river funneled moisture into Washington, Oregon to ...
The Elwha River Ecosystem and Fisheries Restoration Act of 1992 authorized the US Federal Government to acquire the Elwha Dam and Glines Canyon Dam hydroelectric power projects for decommissioning and demolition for habitat restoration. Removal of the Elwha Dam began in September 2011 and was fully complete by March 2012, allowing the Elwha ...
2 people are dead as an atmospheric river pummels the Northwest with more than 9 inches of rain. And the danger isn’t over. Elizabeth Wolfe, Robert Shackelford, Mary Gilbert and Holly Yan, CNN.