CONTACT & LOCATIONS NEWS MENU ≡ MARKETS WATER Dams / Levees Harnessing the power of water Shannon & Wilson offers high-level expertise and experience to help clients develop cost-effective, reliable solutions to the challenges of water supply, irrigation, renewable power generation, transportation, recreation, and flood control, while protecting habitat and maintaining public safety. Our clients benefit from our extensive experience designing water retention and navigation structures, including dams, levees, channels, fish passages, and appurtenant structures. SERVICES INCLUDE: Site and borrow-source investigations Permitting (construction, operation and natural resources) Embankment design, including stability and settlement studies Seepage analysis, including filter and groundwater cut-off design Seismic ground motion and liquefaction studies Federal Energy Regulatory Commission relicensing Safety and assessment inspections and risk analyses Contaminated soil / sediment characterization and management plans Detailed cost-estimating and preparation of contract documents, including plans and specifications DAMS/LEVEES PROJECTS Fir Island Farm Estuary Restoration Water MORE Baker Dam Water MORE Smith Island Setback Levee & Estuary Restoration Water MORE Olive Lake Dam Assessment Water MORE Lower Dungeness Levee Setback & Floodplain Restoration Water MORE Southern Flow Corridor Project Water MORE Cougar Dam Downstream Fish Passage Federal MORE Reedsport Levee Certification Project Transportation MORE Delta Levee Investment Strategy Water MORE Echo Water Project Water MORE Urban & Non-Urban Levee Evaluation Water MORE Lake Chesterfield Water MORE Lake Fort Smith Dam Water MORE Periodic Levee Inspections Water MORE SEE ALL PROJECTS Let's Talk About Your Project GET IN TOUCH MARKETS Transportation Water Property Development Industrial Federal SERVICES Geotechnical Engineering Contamination / Remediation Geologic Hazards Natural Resources Water Resources Design-Build Tunneling / Underground Arctic Engineering Construction Management Specialty Services ABOUT The Company People Corporate Responsibility/Scholarships CONTACT & LOCATIONS Seattle Anchorage Chicago Denver Fairbanks Jacksonville Los Angeles Madison Portland Sacramento Salt Lake City St. Louis Tri-Cities PROJECTS Explore CAREERS Working At Shannon & Wilson CONTACT & LOCATIONS NEWS CLIENT PORTAL © 2021 SHANNON & WILSON, INC. SEATTLE WEBSITE DESIGN