Description
The Cowlitz County is seeking a qualified firm to provide professional geomorphic assessment services for the lower Toutle and Cowlitz rivers. The purpose of this assessment is to evaluate geomorphic conditions within the study area to support future watershed planning, sediment management, floodplain planning, habitat restoration, and related decision-making efforts. The selected firm will be required to provide a comprehensive geomorphic assessment, including mapping and interpretation of watershed- and reach-scale conditions. The project objectives include characterizing existing geomorphic conditions, evaluating the processes influencing channel morphology and sediment transport, and identifying geomorphic trends affecting floodplain function and habitat.
• The study area consists of the river-floodplain corridors of the lower Toutle and lower Cowlitz rivers.
• The selected firm shall be licensed in the State of Washington to provide the professional services necessary to complete a comprehensive geomorphic assessment of the study area.
• The Consultant shall propose the technical approach, methodologies, level of effort, and sequencing of work necessary to accomplish the project objectives.
• The project schedule requires all project work to be completed no later than May 31, 2027.