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Record Details:

Dam Removal - Glines Canyon Dam & Elwha Dam (Elwha River)

Organization:
Facility Type: Info/Hotline
Status: Open

Address:
, WA 00000

Region:
County/Parish:



Website: http://en.wikipedia.org/wiki/Elwha_River




Areas Served: Clallam, Jefferson



This organization provides Temporary or Permanent Service? Temporary

Notes:

FACEBOOK -
http://www.facebook.com/pages/Elwha-River-Restoration/116387105073343

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Olympic National Park, Dam Removal - Overview
http://www.nps.gov/olym/naturescience/dam-removal-overview.htm
http://www.nps.gov/olym/naturescience/dam-removal-blog.htm

Tearing Down The Elwha River Dam -
http://www.popularmechanics.com/science/environment/water/2294301
...

The two reservoirs must ultimately be drained of 48,600 acre-ft. of water--enough to flood Safeco Ballpark in Seattle, the home of the Mariners, to the height of a 130-story skyscraper. Then there is the reservoirs' sediment, 18 million cubic yards of the stuff, an amount so large that scientists have studied the debris flows from the explosion of Mount St. Helens to gauge how aquatic life will react to it washing downstream. Reservoir drawdowns will be carefully timed to manage turbidity.

By late 2011, both dams will be history, reservoirs drained and raw banks softened by sprouting trees. It will take three to five years for the river to flush out excess sediment, but the fish, Winter says, will likely reappear in a few months. It will be 30 years before the population is fully restored.

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Elwha Ecosystem Restoration Project -
http://www.nps.gov/olym/naturescience/elwha-ecosystem-restoration.htm
http://en.wikipedia.org/wiki/Elwha_Ecosystem_Restoration

Brownfields Cleanup and Redevelopment
http://www.elwhainfo.org/resource-management/brownfields-cleanup

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http://www.sustainablebusiness.com/index.cfm/go/news.display/id/21048

This is an archived story. The information and any links may no longer be accurate.

09/15/2010 10:29 AM
Biggest Dam Removal In U.S. History Underway

SustainableBusiness.com News

The largest dam removal project in U.S. History is undeway in Olympic National Park in Washington State.

Two dams on the Elwha river, constructed 100 years ago without fish ladders, are being taken out to restore roughly 70 miles of river and stream habitat for wild salmon.

Tom Banse of OPB News filed a radio report on the efforts, stating that salmon still come to the base of the lower dam after all these years and swim about aimlessly with no route to move farther inland.

Removal of the dams has been under consideration since 1986, when the Lower Elwha Klallam Indian tribe first challenged the relicensing of 210-foot tall Glines Canyon Dam and the 108-foot tall Elwha Dam.

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Preparations Underway For Biggest Dam Removal In U.S. History
September 13, 2010 | Port Angeles, WA
http://news.opb.org/article/13038-preparations-underway-biggest-dam-removal-us-history/

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Elwha River's coming dam removal has scientists flooded with unknowns
July 30, 2010
http://seattletimes.nwsource.com/html/localnews/2012495725_elwha31m.html

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http://www.elwhainfo.org/elwha-river-watershed
http://www.americanrivers.org/your-region/elwha-river-trp.html
http://elwha.blogspot.com/
http://www.elwhabiodiversity.org/
http://www.usbr.gov/pmts/sediment/projects/ElwhaRiver/ElwhaGlinesCanyon.htm
http://buffalopost.net/?tag=glines-canyon-dam

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Elwha Valley
Olympic Range within Olympic National Park

Clallam, Jefferson Counties
http://en.wikipedia.org/wiki/Clallam_County,_Washington
http://en.wikipedia.org/wiki/Jefferson_County,_Washington

Glines Canyon Dam - which forms Lake Mills Reservoir
Elwha Dam which creates Lake Aldwell

City of Port Angeles - 2010 water treatment facilities

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http://www.elwhainfo.org/people-and-communities/lower-elwha-klallam-tribe
http://www.upi.com/Business_News/Energy-Resources/2011/09/19/Elway-River-restoration-under-way-in-Washington/UPI-72801316441571/
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Condit Dam Removal:

White Salmon River in Washington gets a cleanup before Condit Dam is removed -
September 17, 2011
http://www.oregonlive.com/environment/index.ssf/2011/09/white_salmon_river_in_washingt.html
--
Time Lapse Website for Removal of Condit Dam
August 25, 2011
http://www.hydroreform.org/news/2011/08/25/time-lapse-website-for-removal-of-condit-dam
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Restore the White Salmon: keep Condit Dam removal on track for 2011
February 8, 2011
http://www.americanrivers.org/newsroom/blog/restore-the-white-salmon-2-8-2011.html
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Condit Hydroelectric Project -
http://en.wikipedia.org/wiki/Condit_Hydroelectric_Project
--
http://news.opb.org/article/13038-preparations-underway-biggest-dam-removal-us-history/

Several other dams around the country are slated to be torn down next year as well. That includes Pacific Power's 125-foot tall Condit Dam on the White Salmon River near Portland

========================

A dam in danger (Howard Hanson dam)
21 March 2011
http://www.waterpowermagazine.com/story.asp?sc=2059202

Info Source/Changes:

Created At: Thu Jan 20 01:44:40 +0000 2011
Updated At: Thu Sep 22 17:55:03 +0000 2011
Updated By: DNug


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