Duwamish Gardens Estuarine Rehabilitation Design
#10-1605 #10-1605
Organization Green/Duwamish and Central Puget Sound Watershed (WRIA 9) Lead Entity
Sponsor City of Tukwila
Status Completed
Schedule Start Date: 10/7/2010 End Date: 11/7/2014
Category Category: Planning
DESCRIPTION
The City of Tukwila used funding to complete final design and permitting for a restoration project that when constructed will create shallow water habitat on a 2.16 acre site (and on adjacent WADNR aquatic lands) on the right bank of the Duwamish River immediately downstream of river mile 7.0. Restoration design calls for excavating 27,000 cubic yards of material to establish approximately 2.0 acres of shallow water mudflat and marsh habitat and approximately 0.8 acre of uplands planted with native vegetation. The site is in the high priority "transition zone" of the Duwamish River, which provides the appropriate range of salinities for juvenile Chinook and chum to transition from fresh to salt water. Off channel and shallow water habitats in this stretch of the Duwamish are limited. When constructed (restoration is funded through project 13-1099) the area will provide opportunities for juvenile fish to move out of the main channel to habitats where they can feed and rear. Longer residence times in the estuary allow for larger, healthier smolts prior to ocean migration. The property is among the largest remaining pieces of under-developed sites for habitat restoration remaining in the Duwamish corridor. When restored, it will be the largest off-channel habitat between the Codiga Farms restoration at RM 8.5 and North Wind's Weir restoration at RM 6.4.
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FUNDING SOURCES
FUNDING ENTRIES FROM GRANT PROJECT AGREEMENT
TypeDateFunding OrgFunding ProgramMatchAmount
Requested08/24/2010City of TukwilaMatch$52,929.00
Requested08/24/2010Recreation and Conservation Office (RCO)Salmon State Projects$197,299.00
Allocated02/14/2012Recreation and Conservation Office (RCO)Puget Sound Acq. & Restoration$31,755.00
Allocated02/14/2012City of TukwilaMatch$54,059.00
Allocated02/14/2012Recreation and Conservation Office (RCO)Salmon Federal Projects$215,589.00
Spent10/08/2013Recreation and Conservation Office (RCO)Puget Sound Acq. & Restoration-$31,755.00
Spent11/07/2014City of TukwilaMatch-$54,059.00
Spent11/07/2014Recreation and Conservation Office (RCO)Salmon Federal Projects-$215,589.00
Grant Project Agreement Totals Proposed Requested Allocated Spent Balance
Not entered $250,228.00 $301,403.00 $301,403.00 $0.00
OTHER FUNDING (Funding that is NOT in a grant project agreement)
TypeDateFunding OrgFunding ProgramMatchAmount
Other Funding Totals Proposed Requested Allocated Spent Balance
Grand Totals Proposed Requested Allocated Spent Balance
PRIMARY SPONSOR
PROJECT CONTACT
PROJECT MANAGER
PHOTOS

 
LOCATION
Chinook-Pop (ESU):Chinook-Puget Sound, Green River, Threatened
Chum-Pop (ESU):Chum-Puget Sound/Strait of Georgia, Not Warranted
City Areas:Tukwila
Coho-Pop (ESU):Coho-Puget Sound/Strait of Georgia, Species of Concern
County:King
HUC12:Green River (171100130305)
HUC8:Duwamish (17110013)
Lead Entity Area:Green/Duwamish/Central Puget Sound Watershed (WRIA 9)
Legislative District:11
Pink-Pop (ESU):Pink-Odd Year, Not Warranted
Puget Sound Action Areas:South Central Puget Sound
Salmon Recovery Regions:Puget Sound
Sections:10
Steelhead-Pop (ESU):Steelhead-Puget Sound, Green River, Threatened
Township:T23NR04E
Watershed Administrative Unit:Lower Green-Duwamish
WRIA:Duwamish - Green
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Related Projects

  APPLICATION FINAL 
PLANNING METRICS
Area Encompassed (acres) (B.0.b.1)
2.70acres2.70acres
Miles of Stream and/or Shoreline Affected (B.0.b.2)
0.20mi