Arguments are ongoing about when and how much water to spill at The
Dalles Dam to provide the optimum survival benefit for migrating Columbia-Snake
river juvenile salmon, but river operators can now weigh the advice of
a third party — the Independent Scientific Advisory Board.
Columbia Basin fish managers and federal agencies involved in dam operations
are in the process of designing a Year 2000 study plan to help them determine
a spill regime that maximizes juvenile passage survival. …
