DESCRIPTION
Bainbridge Island Land Trust will complete a preliminary design to help guide the restoration of approximately 500 feet of Manzanita Creek that is tightly channelized by rock armoring and subject to pollutants in runoff from the adjacent public road. The design will focus on removing rock armor and recontouring to mimic the natural stream conditions above and below the project area in order to enhance stream and riparian habitat complexity and reduce pollutant influx. The project is on the Land Trust-owned Miller Kirkman Preserve (Project 18-1471) approximately 850 feet upstream from where the creek enters Little Manzanita Bay. This project will further enhance stream conditions important for Coho, chum and cutthroat trout inhabiting the preserve's estuary and stream. Within the project area (approximately 50 feet wide x 500 feet long), the stream is constrained in a ditch within feet of the paved public Peterson Hill Rd. A rock wall and additional roadside armor were installed in 2005-2006 by the City of Bainbridge Island within the preserve as part of a culvert/fish passage improvement project. Now the hillside is eroding behind the rock wall and dislodged rock from armoring on both sides threaten to impede fish passage by blocking the stream channel.
Bainbridge Island Land Trust will complete a preliminary design to help guide the restoration of approximately 500 feet of Manzanita Creek that is tightly channelized by rock armoring and subject to pollutants in runoff from the adjacent public road. The design will focus on removing rock armor and recontouring to mimic the natural stream conditions above and below the project area in order to enhance stream and riparian habitat complexity and reduce pollutant influx. The project is on the Land Trust-owned Miller Kirkman Preserve (Project 18-1471) approximately 850 feet upstream from where the creek enters Little Manzanita Bay. This project will further enhance stream conditions important for Coho, chum and cutthroat trout inhabiting the preserve's estuary and stream. Within the project area (approximately 50 feet wide x 500 feet long), the stream is constrained in a ditch within feet of the paved public Peterson Hill Rd. A rock wall and additional roadside armor were installed in 2005-2006 by the City of Bainbridge Island within the preserve as part of a culvert/fish passage improvement project. Now the hillside is eroding behind the rock wall and dislodged rock from armoring on both sides threaten to impede fish passage by blocking the stream channel.