Tolay Creek Stabilization and Restoration

PCI designed and installed restoration measures in lower Tolay Creek and a severely downcut and eroding tributary as partial mitigation for the widening of Highway 101.  Various repair strategies were evaluated for each reach, and PCI worked with Sonoma Land Trust and Cal Trans staff to develop a mitigation repair strategy acceptable to the San…


Jenner Headlands Preserve Public Access

PCI was retained by the Wildlands Conservancy and Sonoma Land Trust for planning and design of initial public access features for this 5,630-acre Preserve. The project involves the creation of a trailhead parking lot off Highway 1 north of Jenner, ADA-accessible restrooms and day-use area with picnic tables, ADA compliant access road and trail to…


Green Gulch Enhancement Project

Green Gulch Creek is a tributary to Redwood Creek in Marin County, one of the last streams south of Lagunitas Creek with a remaining wild run of coho salmon. The San Francisco Zen Center operates a meditation center and one of California’s oldest continuously certified organic farms on the property. Historic realignment and hardening of…


Dehlinger Winery Wetland Restoration

Based on the success of a previous stream stabilization project for the same client, PCI was hired to design and implement wetland restoration on the Dehlinger Winery property. The goal of the project was to protect and enhance a seasonal wetland on the property, where an eroding complex of gullies was lowering the water table…