Hydropower and Fish Passage Impacts

by Robert van der Borg, Corps of Engineers, United States,
John Ferguson, Corps of Engineers, United States,

Document Type: Proceeding Paper

Part of: Waterpower '89


The Pacific Northwest Electric Power Planning and Conservation Act (Act) of 1980 formed the Northwest Power Planning Council, which establishes criteria and sets goals for developing future hydropower plants and the operation of the existing plants with respect to fish passage and, in particular, juvenile salmonids. The legislation was inacted at the request of fishery agencies and Indian tribes because of decreased adult returns, the policy of maintaining 'wild' runs of fish, and Indian fishing rights. Studies by the Electric Power Research Institute (EPRI) show that solutions to fish passage issues at the physical structures are site specific, and the authors own studies show fish passage is also species and age (yearling and subyearling) specific. The paper discusses fish passage tests, operational impacts, research evaluations, and future directions.

Subject Headings: Hydro power | Fish management | Aging (material) | Electric power | Rivers and streams | Existing buildings | Legislation | Water-based recreation | Pacific Northwest | United States

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