With Washington Governor Jay Inslee behind an appraisal of the environmental and economic costs associated with breaching the four lower Snake River dams, U.S. Congressional Republicans have sponsored a legislative push to preserve the dams from structural modifications.
The U.S. Army Corps of Engineers operates the four lower Snake River dams that supply 1,000 average annual megawatts of electricity, helping Washington state meet its peak power loads and maintain its power grid.
Those dams also have altered the physical, chemical, hydrological, and biological composition of the Snake River, limiting the ability of salmon to spawn.
The Ice Harbor, Lower Monumental, Little Goose, and Lower Granite dams were constructed with
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