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

• 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

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)

Pre-Project Condition

Pre-Project ConditionIssaquah Creek (Looking South)

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)

Grading in Process

Completed Grading

Installing LWD in Creek

Large LWD

One of several Mountains to Sound Greenway Trust planting events

Winter Flow Conditions

Winter Flow Conditions