Seiad Creek Habitat Enhancement
Seiad Creek is one of the most productive coho salmon tributaries in the Klamath River system. Located in the Northern California town of Seiad, most of the creek system contains high-quality fish habitat, but the habitat through the half-mile reach targeted by this project was a glaring exception. More than a century of placer mining […]
Puyallup River Basin System Analysis
Like many river systems running through developed land, the Puyallup River in Pierce County, Washington, sometimes floods. When it does, the water can impact public infrastructure, private property and engineered flood control structures. The Pierce County Surface Water Management Division contracted with GeoEngineers to analyze the river system and determine the effectiveness and specifics of […]
Lower Red River Meadow Stream and Floodplain Enhancement Design
Salmon is a vital resource for the Nez Perce Tribe (NPT), and has been for hundreds of years. The tribe has an overarching vision for the restoration and enhancement of the Lower Red River and floodplain in northern Idaho. The NPT wanted to reconfigure a reach of the Red River, making it more natural, and […]
John Day Watershed Restoration Strategy
The John Day River Basin is critical to the overall health of fisheries in the Columbia River Basin. The Confederated Tribes of the Warm Springs Reservation of Oregon (tribes), along with landowners and environmental funding agencies, needed a comprehensive watershed restoration plan for the region. These stakeholders wanted a long-term road map to direct restoration […]
Granite Creek Restoration Design
Granite Creek, located about 1.5 miles northwest of Granite, Oregon, is an important area of habitat for salmon and the people who have relied on them for thousands of years. The ecosystem has been impacted by human activity since the mid-19th century, when trappers, mineral prospectors and the timber industry began to operate in the […]
Birch Creek Geomorphic Assessment
Steelhead trout are a vital part of the economy and culture of the Pacific Northwest, but like many species they are threatened by human activity. The species is regulated under the Endangered Species Act, and state and local stakeholders are working to protect steelhead in Oregon watersheds. The Umatilla Basin in northern Oregon, and particularly […]
Revitalizing Riverfront Park
Historic Riverfront Park in Spokane, Washington, has been the heart of the city for almost 50 years. It’s situated along the Spokane River and includes scenic Spokane Falls, but the area wasn’t always a public park. The riverfront was primarily used for industrial activity during the first half of the 20th century, including hydroelectric power […]
Upgrading Green River Levees
After Hurricane Katrina, the Federal Emergency Management Agency (FEMA) and the US Army Corps of Engineers enacted a series of policy changes that have affected communities across the nation. In addition to new design and construction guidelines for levees and new processes for determining flood insurance rate maps, the Corps placed the responsibility for levee […]
Whidbey Island Landslide Emergency Response
The Ledgewood Landslide that occurred on March 27, 2013 on the west side of Whidbey Island was one of the largest shoreline landslides in recorded Puget Sound history. The slide created a near-vertical headscarp at the crest of the slide area that was approximately 600 feet wide. The slope failure pushed debris approximately 250 feet […]
US Navy Culvert Replacement and Fish Passage Design
GeoEngineers developed the civil design concept and geotechnical details for constructing a 275-foot long, 20-foot diameter tunnel to replace a failing 48-inch diameter culvert under the Shelton-Bangor-Bremerton railroad near Belfair, WA. The railroad, owned by the US Navy and maintained by Puget Sound and Pacific Railroad, is used to transport various goods, supplies, building materials, […]