Downstream migrating fish above the dam will be passed through a series of fish screens that will eventually drop them in a plunge pool below the dam.

An interesting situation is that there is a large resident Rainbow population above the dam (sorry guys no fishing allowed!) and for the first time in over a 100 years they will be allowed to swim below the dam and all the way to Puget Sound. This could increase salmon smolt predation in the lower river. Hopefully, opening the habitat in the upper river for salmon will offset the negative aspects of the proposal.

BD
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Bobber Down

"It makes no sense to regulate salmon habitat on land while allowing thousands of yards of gill nets to be stretched across salmon habitat in the water"

John Carlson, Gubernatorial Contender, Sept. 2000 speech at the Ballard Locks