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Topic: Duwamish River


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In the News (Fri 9 Jan 09)

  
  Duwamish River - Wikipedia, the free encyclopedia
The Duwamish River is the name of the lower 12 miles (19 km) of Washington state's Green River.
At one time, the Black River and the White and Green Rivers, which combined at Auburn, joined at Tukwila to form the Duwamish; however, in 1912 the Cedar River was diverted to empty into Lake Washington instead of the Black River, though the lake itself still emptied into the Black.
[1] The cleanup of the river has been controversial: the original plan was to dredge the river and dump the resulting sludge in Tacoma's Commencement Bay, 26 miles to the southwest.
en.wikipedia.org /wiki/Duwamish_River   (271 words)

  
 Green/Duwamish River Ecosystem Restoration   (Site not responding. Last check: 2007-10-06)
To date, 97 percent of the river's estuary has been filled, 70 percent of the flows of its former watershed have been diverted out of the basin and about 90 percent of the once-extensive floodplain is no longer flooded on a regular basis.
The Black River was the outlet channel of Lake Washington and the Cedar River.
The levee is designed to direct river currents away from an adjacent road and farmland and not as a flood control levee.
www.epa.gov /owow/showcase/duwamish/summary.html   (630 words)

  
 Untitled Document   (Site not responding. Last check: 2007-10-06)
Today, the small community surrounding the Duwamish estuary, finding it to be mostly Mexican families, lives in a neglected, degraded ecosystem-the result largely of industrial exploitation of the waterway and the growth of the American consumer based culture.
When the Duwamish Indians were forced to become a landless tribe by Euro-Americans in the late 1800's, all of their cultural contributions to the Duwamish estuary became meaningless.
According to Cara Montana in her article, "Duwamish recognized, history of delays mitigated", after many years if injustice, the Duwamish tribe was recognized in January, 2001 and is currently beginning a lone attempt to restore its culture along the Duwamish River.
students.washington.edu /jenhutt   (2274 words)

  
 Introduction
The Duwamish River estuary is a temperate, tidally influenced system supporting a wide variety of life (from salmonids and Dungeness crabs and other shellfish to the higher trophic levels of birds and marine mammals).
Since the salt wedge is a dynamic feature of the river and the copepod concentration maximum is presumed to move in relation to the salt wedge, methods of sampling were executed while the wedge was moving and while the wedge was stationary.
Temperature in the river is determined by the irradiation of the surface waters, the intrusion of the marine waters, and the mixing of the two.
www.ocean.washington.edu /people/oc549/savent/projects/duwamish.htm   (4703 words)

  
 Preservation Seattle - Preservation and the Environment: June/July 2004: The Last of the Duwamish Farmhouses?
The problem of saving the Duwamish Farmhouse, what we're calling the Hansen Farmhouse after George and Carrie Hansen, the original owners, is not as complex as the effort to save First United Methodist Church.
In 1887, when the Hansen's purchased 40 acres along the Duwamish, they joined a number of early residents who, attracted by the opportunities of the fertile river plain, farmed for a while, and were then absorbed into the industrial work that supported a large number of Seattlites throughout most of the twentieth century.
Straightening the Duwamish, along with filling in the tideflats and taming Seattle's hills downtown were all part of comprehensive efforts to improve Seattle's economic prospects.
historicseattle.org /preservationseattle/preservationenv/defaultjune3.htm   (1087 words)

  
 Preservation Seattle - Preservation and the Environment: August 2004: Reinventing the Duwamish River
According to a report by the Duwamish Coalition in 1995, a consortium of groups interested in a spectrum of social, economic, and environmental issues, the Duwamish Industrial Waterway employed 67,000 people accounting for a tenth of all the jobs in King County.
On the river's west side, along West Marginal Way, the West Seattle Cultural Trail is perhaps the most extensive effort to honor the history of waterway as it changes.
The Duwamish is a transition zone in a transition period.
www.historicseattle.org /preservationseattle/preservationenv/defaultaugust3.htm   (968 words)

  
 Duwamish River Cleanup Coalition
PCBs ñ an industrial cancer-causing chemical ñ are found in nearly all salmon in the river, and the river bottom exceeds safe standards for heavy metals like mercury by up to 400%.
While thousands of salmon still return to the river and restoration efforts are slowly rebuilding pockets of habitat, historical and ongoing pollution threatens a full recovery.
Because of the serious health concerns, EPA is requiring extensive studies of the risks to people, fish and wildlife and will require the major contributors to the pollution to pay for its cleanup.
www.duwamishcleanup.org   (163 words)

  
 WWW.TABLETNEWSPAPER.COM--LIFE   (Site not responding. Last check: 2007-10-06)
Dredging and straightening the lower Duwamish River was one of Seattle's early industrial and governmental partnerships, which produced many aggressive engineering projects, including damming and redirecting the Cedar River for piped drinking water and building the Lake Washington Ship Canal.
The Duwamish was declared an EPA Superfund Site in September of 2001 because studies showed that four feet of sediment in the bottom of the river was contaminated with arsenic, mercury, polychlorinated biphenyls (PCBs), volatile organic compounds (from human sewage), industrial chemicals and other heavy metals.
While salmon make two trips through the Duwamish River every year, and have higher levels of PCBs than their relatives who spawn in other Puget Sound rivers, environmental regulators are hesitant to admit the salmon's health, or the people who eat them, could also be threatened by the pollution.
www.tabletnewspaper.com /life/48_wsduwamish.html   (970 words)

  
 Village Descriptions--Duwamish-Seattle
At the confluence of the Tolt and Snoqualmie Rivers, on a flat opposite the present town of Carnation.
In a (former) bend of the Duwamish River at the N end of present-day Boeing Field.
At the confluence of the Green River and the (former) Black River at the N edge of present-day Fort Dent Park.
coastsalishmap.org /Village_Descriptions_Duwamish-Seattle.htm   (3489 words)

  
 The benefits of dredging the rivers
Twenty million cubic yards of mud and sand are moved until the bends of the river are filled and the main channel is deepened.
A deeper, straighter river would allow ships to navigate to the industries envisioned for the reclaimed land, and would also alleviate the flooding that plagued the area.
Duwamish Diary, (Seattle: Cleveland High School, 1949), 65; Clarence Bagley, The History of Seattle from the Earliest Times to the Present Day (Chicago: The S.J. Clarke Publishing Co., 1916), 357; Paul Dorpat and Genevieve McCoy, Building Washington: A History ov Washington State Public Works, (Seattle: Tartu Publications, 1998), 42, 171, 257.
www.citizenreviewonline.org /july_2003/benefits.htm   (416 words)

  
 ATSDR - PHA - Lower Duwamish Waterway, Seattle, King County, Washington
The LDW is a section of the Duwamish River that extends approximately 6 miles from the southern tip of Harbor Island south to Turning Basin #3.
Although the amount of crab consumption along the river is not known, people have been witnessed catching crabs in the Duwamish, and therefore, advice on the risk of crab consumption from the LDW is necessary.
Although the Duwamish Tribe is not currently recognized by the federal government, DOH acknowledges their extensive cultural involvement with the river.
www.atsdr.cdc.gov /HAC/pha/lowerduwamish/ldw_p1.html   (8307 words)

  
 Shared Strategy for Puget Sound
The Green flows into the Duwamish River eleven miles from its mouth flanked by landscape that shifts from suburban to industrial as it approaches the waterways at the delta, where sports stadiums built on the former mudflat and giant shipping cranes welcome the Duwamish as it flows into Elliott Bay.
The Duwamish River, a key passage to the inland portions of the state, was a prime focus of heavy industrial development over the last century.
The lower river’s meandering course through 9 miles of wetlands, tidal marshes and intertidal mudflats was straightened (channelized) and dredged down to 5 miles between 1900 and 1940 to provide shipping lanes and new land for Seattle’s burgeoning industrial and manufacturing district.
www.sharedsalmonstrategy.org /watersheds/watershed-green.htm   (1219 words)

  
 Duwamish River - Elliott Bay Water Quality Assessment
Over the past 100 years, human activities have eliminated most of the original habitat in the river corridor and have affected fish runs, shellfish harvests, and wildlife populations, as well as recreation such as fishing, boating, clamming, and bird watching.
Human activities include the diversion of the Black and White rivers for navigation and flood control; the dumping of ship ballast, dredged materials, and soils; the discharges of untreated sewage, stormwater, and combined sewer overflows (CSOs); and the discharges and runoff from shipbuilding and other industrial and manufacturing processes.
In order to have a better understanding of the dynamics of the Duwamish River/Elliott Bay estuary and the impacts of CSOs relative to other pollutant sources, King County undertook an extensive study: King County Combined Sewer Overflow Water Quality Assessment for the Duwamish River and Elliott Bay (hereafter referred to as "the study").
dnr.metrokc.gov /wlr/waterres/wqa/wqpage.htm   (1057 words)

  
 ECOSS Duwamish River Superfund
The lower Duwamish River is fished for recreational, commercial, and subsistence purposes and is part of the traditional fishing ground for the Muckleshoot and Suquamish Indian tribes.
Puget Sound Chinook salmon utilize the lower Duwamish River during a critical stage of their migration from a fresh water to a salt water environment.
Former and current owners of properties that have contributed or are contributing to the contamination problems in the Lower Duwamish Waterway may be responsible for implementing source control measures and for participating in other remedial activities.
www.ecoss.org /forbusiness/drs.htm   (951 words)

  
 waterres - cedargreenriver
The purpose was to modify the weir to improve upstream salmon migration and to improve the river bank habitat for wildlife.
The Duwamish Waterway was completed in 1931, except for a settling basin originally planned for the upper end.
Feasibility studies, initiated in 1979, were terminated in 1981 at the request of the city and the port due to their inability to meet local cost-sharing requirements of the breakwater needed for the project.
www.nws.usace.army.mil /PublicMenu/Menu.cfm?sitename=waterres&pagename=cedargreenriver   (3454 words)

  
 Our Troubled Sound: Duwamish muck headed for Tacoma
The braided river that coursed by marshes and mudflats here nourished an astounding collection of birds, fish and plants that fed the tribe for hundreds of years.
All along the banks of the Duwamish are the legacy of a century of manufacturing and trade: polychlorinated biphenyls, toxic mercury, arsenic and more.
Taking the Duwamish waste to Tacoma "appears like a win-win situation," said Al Meek of Occidental Chemical, which once operated a plant on Commencement Bay and is a key party in the cleanup there.
seattlepi.nwsource.com /local/135355_duwamish16.html   (2176 words)

  
 HistoryLink Essay:Seattle and King County's First White Settlers
The Duwamish Valley and Elliott Bay were not an uninhabited wilderness when Euro-Americans began arriving in the middle of the nineteenth century.
The valleys of these rivers will average about 15 miles in width and are about equally divided in prairie and timber." He declared the Sound to be "decidedly ahead of any other country" he had ever seen.
It is worth noting that the Duwamish River farmers assisted the Denny Party and conducted commerce with the growing city to the north.
www.historylink.org /essays/printer_friendly/index.cfm?file_id=1660   (3574 words)

  
 [No title]
Considered by many to be the "industrial breadbasket" of King County, the Duwamish River corridor hosts one of the largest manufacturing and industrial centers in the state and provides jobs for more than 67,000 people.
Studies showed that sediments in the river were contaminated with polychlorinated biphenyls and, to a lesser degree, metals and other organic chemicals.
This is a significant net benefit to the health of the waterway, the people who live, work and play on the Duwamish, the natural resources that reside in and along the banks of the waterway, and to tribal and recreational fishers.
www.djc.com /news/en/11159539.html   (1131 words)

  
 Coastal America: Project Summary - Duwamish River Estuary Intertidal Wetlands
The Duwamish River provides a passageway to the inland portions of the state, and thus has been an area of heavy industrial development.
These habitats are critical to juvenile salmon and many other species of aquatic and terrestrial wildlife, and their loss represents a serious threat to the ecological integrity of both the Duwamish River Estuary and the greater Puget Sound.
The river still supports a limited heron rookery and salmon fishery, however, that productivity could be increased if additional habitat were established.
www.coastalamerica.gov /text/regions/nw/duwamish.html   (942 words)

  
 White River Journal: Archaeology of the White River Valley
Immediately after the Osceola Mudflow, the mouth or delta of the ancestral Duwamish River was near the confluence of the Green River and the White River, in the southern portion of Auburn.
In the native Lushootseed language, the aboriginal inhabitants of the White River Valley were known as the Stkamish, the Smulkamish, and the Skopamish.
Steq meant "a log jam," in reference to the pile of logs in the river that was formerly an obstacle to native canoers.
www.wrvmuseum.org /journal/journal_0401.htm   (1797 words)

  
 History: The Lower Duwamish Waterway Group   (Site not responding. Last check: 2007-10-06)
Untreated sewage and stormwater from cities along the Green/Duwamish River is sent to the new treatment plant.
Approximately $1.4 million was spent in the Lower Duwamish to separate sanitary and storm sewers and improve drainage.
Initial removal of approximately 80 gallons of oil from the river bottom was performed in October 1974.
www.ldwg.org /history.htm   (1967 words)

  
 Elliott Bay/Duwamish River Restoration Program - Northwest Region - DARP   (Site not responding. Last check: 2007-10-06)
The inner bay receives fresh water from the Duwamish River and most of the stormwater runoff from 67 square kilometers of highly developed land in metropolitan Seattle.
The lower Duwamish River is a salt-wedge estuary, influenced by tidal ation over a 16 kilometer downstream reach.
Near its mouth, the river is divided by Harbor Island into the East and West Waterways, which are approximately 160 meters wide.
www.darp.noaa.gov /northwest/elliott   (189 words)

  
 ATSDR - PHA - Lower Duwamish Waterway, Seattle, King County, Washington
The Lower Duwamish Waterway is closed for commercial shellfish harvesting as is the King County shoreline, except for Vashon-Maury Island.
The King County Water Quality Assessment concluded that occasional swimming or recreation in the Duwamish River is not likely to result in chemical exposures that are of a health concern.
DOH is not aware of any residences along the Duwamish river that are being impacted by seeps from the river.
www.atsdr.cdc.gov /HAC/PHA/lowerduwamish/ldw_p3.html   (5756 words)

  
 DJC.COM: Thursday, October 20, 2005, provided by Seattle Daily Journal of Commerce   (Site not responding. Last check: 2007-10-06)
Archaeologists hired by Sound Transit have uncovered hundreds of ancient artifacts in the path of the agency's planned light rail line where it crosses the Duwamish River in Tukwila.
James Rasmussen of the Duwamish River Cleanup Coalition; and...
The state Department of Labor and Industries is seeking Western Washington forklift drivers to compete in the Aug. 13 forklift rodeo at Boeing's Oxbow Facility in Duwamish.
www.djc.com /search/news.html?action=search&query=duwamish&searchtype=all&nsection=&date=2004-10-19&sort=s   (667 words)

  
 Green River Watershed, King County, Washington
The Green River Watershed is the land area where rainwater drains to the Green-Duwamish River.
Comprehensive study of the Green-Duwamish River water quality and the land area draining to it, to help guide policy, prioritize cleanup and restoration efforts, and protect salmon stocks from depletion.
Analysis of water and sediment quality in the Duwamish River and Elliott Bay to use as a basis for cleanup and restoration projects.
dnr.metrokc.gov /wlr/watersheds/green.htm   (1179 words)

  
 estuaries.gov, ESTUARYLive Program - Washington
The Duwamish River Estuary is an example of a salt-wedge estuary, influenced by tidal action over a 16-kilometer downstream reach that flows and ebbs through the industrial heart of Seattle, Washington.
Duwamish River Photo Tour has several aerial photos of the Duwamish Waterway.
Students will be instructed to label on the maps their estimate of where fresh water from the Duwamish and salt water from Elliot Bay meet.
www.estuaries.gov /Paddila2.html   (1357 words)

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