Rock Island Hydroelectric Project

Upper Columbia; Columbia River, Grant and Kittitas Counties, Washington

Project Profile

The Rock Island Hydroelectric Project affects passage and mortality of ESA-listed fish. The settlement parties are carrying out a 50-year habitat conservation plan that sets a No Net Impact project standard, including a combined 91% project survival rate for migrating juvenile and adult fish, improved hatchery practices, and funds (about $500,000 per year) for improving tributary habitat.

Listed Species

Upper Columbia River Chinook

Upper Columbia River steelhead


Public Utility District No. 1 of Chelan County (Chelan PUD)

FERC Relicensing Status

NOAA Fisheries, U.S. Fish and Wildlife Service, Washington Department of Fish and Wildlife, Colville Tribe, Yakama Tribe and Chelan PUD signed a settlement agreement for implementation of a Habitat Conservation Plan for anadromous fish in 2004. The project began operating in 1933 and the current license expires in 2028.


Federal Energy Regulatory Commission

FERC eLibrary: Docket #P-943

NOAA Fisheries Biological Opinion