Glines Canyon Dam

Glines Canyon Dam
Glines Canyon Dam
	Glines Canyon Hydroelectric Power Plant
	U.S. National Register of Historic Places
	U.S. Historic district
Nearest city	Port Angeles, Washington
Area	7 acres (2.8 ha)
Built	1926
Architectural style	Other, Classical Revival, Neoclassical
MPS	Hydroelectric Power Plants in Washington State, 1890--1938 MPS
NRHP reference No.	88002742
Added to NRHP	December 15, 1988

Glines Canyon Dam (also known as Upper Elwha Dam^[2]), built in 1927, is a 210-foot (64 m) high concrete arch dam that forms Lake Mills 13 miles (21 km) upstream from the Elwha River's mouth.

Lacking passage for migrating salmon, its construction blocked access by anadromous salmonids^[3] to the upper 38 miles (48 km) of mainstem habitat and more than 30 miles (48 km) of tributary habitat. The Elwha River watershed once supported salmon runs of more than 400,000 adult returns on more than 70 miles (110 km) of river habitat. Today, less than 4,000 adult salmon return each year.

The "Elwha River Ecosystem and Fisheries Restoration Act of 1992" authorized the US Federal Government to acquire the Glines Canyon hydroelectric power projects for decommissioning and demolition for habitat restoration.

The Elwha Ecosystem Restoration project began removal of the dam, along with nearby Elwha Dam, in September 2011, an effort expected to continue over a period of 2.5 – 3 years. Once removed, the area that is currently under Lake Mills will be revegetated and its banks secured to prevent erosion and to speed up ecological restoration.

References

NPS Elwha River Restoration

Sources

Grossman, Elizabeth (2002). Watershed: The Undamming of America, Basic Books, ISBN 1582431086.

External links

48°0′7″N 123°36′0″W / 48.00194°N 123.60000°W / 48.00194; -123.60000

[nris-1] "National Register Information System". National Register of Historic Places. National Park Service. July 9, 2010.

[2] U.S. Geological Survey Geographic Names Information System: Upper Elwha Dam

[3] Grossman 2002, p. 155

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