Dams in the Pacific Northwest Impacts on Anadromous Fish FREEING THE ELWHA
Dams in the Pacific Northwest
Mar 23, 2016
Dams in the Pacific Northwest. Impacts on Anadromous Fish. Columbia Lake 1,243 miles. Historic Range of Salmon. 1,243 miles . 212-ft Shoshone Falls 948 miles. Grand Coulee Dam 596 miles. Current Range of Salmon. Hells Canyon Dam 581 miles. Dams of the Columbia River Watershed. - PowerPoint PPT Presentation
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FREEING THE ELWHA
Dams in the Pacific Northwest
Impacts on Anadromous Fish
FREEING THE ELWHA
Historic Range of Salmon
1,243 miles
212-ft Shoshone Falls948 miles
Columbia Lake1,243 miles
FREEING THE ELWHA
Current Range of Salmon Grand Coulee Dam
596 miles
Hells Canyon Dam581 miles
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Dams of the
Columbia River
Watershed
FREEING THE ELWHA
Downstream Passage of Salmon
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Another Option for Downstream Passage:
Barging and Trucking of Salmon
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Fish Ladders
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The Effects of Dams on Flow“Artificial Lakes”
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South Fork Skykomish River
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The Silencing of Celilo Falls
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Hanford ReachO The last undammed, free-flowing stretch of the Columbia river
left.O Despite it being a low hot desert, this stretch is a very important
spawning ground for fall chinook.
FREEING THE ELWHA
Saving the Salmon River Salmon
Blocked to salmon
Time for dam removal?
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Redfish Lake, Idaho
FREEING THE ELWHA
This project was made possible in part by a grant from
Washington’s National Park Fund.
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