Hydropower operations can be modified to improve in-river migration conditions for fish. During the juvenile fish migration seasons, from late March until fall, flows in the river are augmented, and water is spilled at the dams, to aid juvenile migration.
Content POC: Michael Coffey, 503-808-3722 | Technical POC: NWP Webmaster | Last updated: 2/23/2006 11:30:45 AM
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