what we do

Significant flooding of the White River has affected homes, businesses, and infrastructure over the years. The flooding was due in part to the ongoing sedimentation in the White River; because of its gradient change, the White River near Pacific has been gradually losing channel capacity over the last several years. The goal of the Countyline Levee Setback project was to address this loss in channel capacity and reduce flood elevations by removing 4,500 linear feet of existing levee and reconnecting the river with 121 acres of off-channel aquatic habitat. A new setback levee, 6,000 feet in length, has been built, and is protected by a 5,780-foot wood structure called a bio-revetment and several engineered log jams. The existing levee was removed. Parametrix provided construction management, construction inspection, and surveying for the project.