Washington Boulevard Landslide Monitoring, Kitsap County, WA

Washington Boulevard, located along a steep coastal bluff, has exhibited landslide movement several times in the past decade. Aspect performed multi-phase geologic and geotechnical assessments of earth movement with focused deep-subsurface explorations. Results of the exploration and slope-stability analysis were verified with slope inclinometers and groundwater level monitoring. Based on our targeted remediation concepts and cost estimates, Kitsap County decided to add drainage improvements to enhance stormwater handling. In addition, Kitsap County implemented a groundwater and landslide monitoring program, which Aspect is effecting.