U.S. Army Corps Of Engineers
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Science & Environment
Hydroelectric dams on Oregon’s Willamette River kill salmon. Congress says it’s time to consider shutting them down
The newly signed legislation follows reporting from Oregon Public Broadcasting and ProPublica that underscored the risks and costs associated with a plan to migrate salmon past hydroelectric dams using a giant fish collector and tanker trucks.

Reports: Muddy water from reservoir drawdowns strains Willamette Valley cities’ water treatment
Several cities in Oregon’s Willamette Valley have seen excessively muddy water flowing into their drinking water systems as a result of upstream reservoirs being drained, the Salem Statesman-Journal has reported.

Conservation group sues Army Corps over Columbia River pollution
A conservation group is suing the U.S. Army Corps of Engineers, saying the agency is polluting the Columbia River with hot water, oil and toxic chemicals that are killing large numbers of endangered salmon.

science environment
This Theme Park's Replica Mini-Dams Are Attracting Northwest Scientists To Mississippi
U.S. Army Corps of Engineers prepared for its biggest-ever planned spill of water over dams on the Columbia and Snake rivers by testing out options on a set of mini dams in Mississippi.