Fisher Slough Floodgate, Levee, Marsh Construction
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The Nature Conservancy; Fisher Slough Floodgate, Levee, Marsh Construction (#07-1914)
08/15/2016, Attachment #311456, SF Skagit & Fisher Slough Aerial Photo
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The restoration of Fisher Slough has been identified as a priority in the Skagit Chinook Recovery Plan. The project
is intended to break a long-standing deadlock between agriculture and conservation interests over estuary
restoration and restore critical Chinook rearing habitat. Project partners include Dike District 3, Skagit
County, and Drainage District 17. Restoration will include levee setbacks, tidal marsh restoraiton, and installation of self regulating floodgates. Preliminary engineering design predicts approximately 60 acres of freshwater tidal habitat will be restored, providing enough habitat to support the production of more than 16,000 Chinook smolt, improve water quality and improve fish access to the 22 square mile Carpenter Creek Watershed. In addition, the restoration will provide important flood protection benefits for residents and farmland in the watershed.
During this proposed phase of the project the existing antiquated floodgates will be replaced and modified to improve Chinook rearing habitat, maximize tidal influence, improve fish passage and improve water quality. The Conservancy and its partners will use this investment of State funds to leverage an additional $4M to complete the final phases of restoration.
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General Area:
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Near Conway, WA
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County:
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Skagit
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Legislative District:
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10
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Congressional District 2022:
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02
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Salmon Recovery Regions:
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Puget Sound
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Watershed Administrative Unit:
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Carpenter
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HUC8:
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Lower Skagit (17110007)
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WRIA:
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Lower Skagit - Samish
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Sections:
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30
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Township:
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T33NR04E
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Coordinates:
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48.32369503
-122.34375820
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| Worksite Name | Scope of Work | Actual Restoration Cost |
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Fisher Slough (#1)
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Architectural & Engineering (A&E), Channel modification (C.9.c.1), Creation of new estuarine area (C.9.q.1), Dike Or berm modification / removal (C.9.d.1), Estuarine plant removal / control (C.9.j.1), Fish passage blockages removed or altered (C.2.c.1), Regrading of slope (C.9.i.1), Restored land maintained (C.11.c.1), Riparian Plant removal / control (C.5.h.1), Road-crossing removal (C.2.i.1), Shoreline armor removal or modification (C.9.k.1), Streambank stabilization (C.4.e.1), Tidegate alteration / removal (C.9.e.1)
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$847,575
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| | Total | $847,575 |
Amounts may not be complete
| Worksite Name | | Property Name | Landowner Type |
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Fisher Slough (#1)
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Property 1 - Fisher Slough
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Local Government
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Amounts may not be complete
| | Category / Work Type / Metric | Final |
Restoration Metrics (rolled up from Worksite level) |
Fish Passage Improvement |
| Fish passage blockages removed or altered (C.2.c.1) |
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Number of Blockages/Impediments/Barriers Removed/Altered (C.2.c.2)
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4
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Instream Habitat Project |
| Streambank stabilization (C.4.e.1) |
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Miles of Streambank Stabilized (C.4.e.3)
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0.62
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Riparian Habitat Project |
| Riparian Plant removal / control (C.5.h.1) |
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Acres of riparian treated for plant removal/control (C.5.h.3)
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7.3
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Estuarine / Nearshore Project |
| Channel modification (C.9.c.1) |
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Yards (linear measure) of Channel Modified/Created (C.9.c.2)
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2034
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Acres of Estuary Treated (C.9.c.3)
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9.7
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| Dike Or berm modification / removal (C.9.d.1) |
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Miles Of Dikes Modified/Removed (C.9.d.2)
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0.84
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Acres of Habitat Made Available To Salmonids through dike or berm modification/removal (C.9.d.3)
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50.3
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| Tidegate alteration / removal (C.9.e.1) |
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Number of Tidegates Altered/Removed To Allow Fish Passage (C.9.e.2)
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3
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Acres opened To Fish Passage through tidegate alteration/removal (C.9.e.3)
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60.0
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| Regrading of slope (C.9.i.1) |
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Acres of Estuary Treated through slope regrading (C.9.i.2)
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1.0
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| Estuarine plant removal / control (C.9.j.1) |
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Acres of Estuary Treated for plant removal/control (C.9.j.3)
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7.3
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| Creation of new estuarine area (C.9.q.1) |
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Acres of Estuary Created (C.9.q.2)
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50.3
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Site Stewardship Project |
| Restored land maintained (C.11.c.1) |
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Acres of restored land maintained (C.11.c.2)
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9.1
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Fish Passage Improvement |
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Number of blockages / impediments / barriers impeding passage (C.2.b.4)
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4
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| Milestone Name | Target Date | Description |
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Applied for Permits
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06/16/2008
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Completed prior to project fund date
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Project Start
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07/10/2008
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Construction reserve grant approved by SRFB.
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Annual Project Billing Due
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07/31/2008
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Annual Project Billing Due
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07/31/2009
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Special Conditions Met
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09/01/2009
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Completing Federal Section 106 cultural resources review.
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Agreement End Date
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12/31/2011
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Construction elements included in this grant agreement. Elements outside grant agreement completed by 12/31/2011.
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