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2010 Squak Valley Park Restoration Project City of Issaquah

2010 Squak Valley Park Restoration Project City of Issaquah. Project Overview. Originally conceived by Corps of Engineers in 1999 in Lake Washington General Investigation Identified in WRIA 8 3-year Implementation Plan list

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2010 Squak Valley Park Restoration Project City of Issaquah

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  1. 2010 Squak Valley Park Restoration ProjectCity of Issaquah

  2. Project Overview • Originally conceived by Corps of Engineers in 1999 in Lake Washington General Investigation • Identified in WRIA 8 3-year Implementation Plan list • Construction completed in Fall 2010 at a total cost of $1.4 million (including acquisitions) • Covers 8 acres of City open space and 1,100 feet of Issaquah Creek • Benefits Chinook, Coho and Sockeye salmon; cutthroat and steelhead trout; other wildlife

  3. Funding and Partners • King Conservation District - $320,862 • Washington Wildlife and Recreation Program – Riparian Account - $450,000 • Salmon Recovery Funding Board - $250,000 • King County Flood Control District - $70,000 • City of Issaquah - $350,000 • Mountains to Sound Greenway Trust (volunteer coordination)

  4. Pre-Project Condition

  5. Pre-Project Condition

  6. Project Features • Acquisition of 4 SFR vacant lots along creek (adjacent to city park) and one conservation easement • Instream habitat: 19 log structures (103 logs and stumps with 154 anchors) • Levee removal for floodplain reconnection (9500 CY) • Invasive plant removal • Native plants: 6,000 native trees and shrubs (700 volunteers contributing 3000 hours)

  7. Grading in Process

  8. Completed Grading

  9. Installing LWD in Creek

  10. Large LWD

  11. One of several Mountains to Sound Greenway Trust planting events

  12. Winter Flow Conditions

  13. Winter Flow Conditions

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