Levees

Schnabel is a leading provider of levee, dam, water resources, geotechnical, and tunnel engineering services across the country. We’ve performed levee and flood risk mitigation services on projects in 19 states. We provide engineering assessment, analysis, design, and construction support services for federal, state, and local governments; water boards and commissions; and other consulting engineers.

More than 160 staff are dedicated exclusively to levee, dam, and water resource projects, providing exceptional breadth and depth to focus on flood risk mitigation services. Our experts include levee, dam, water resources, geotechnical, civil, environmental, and geostructural engineers; hydrogeologists and hydrologists; geophysicists and geologists; wetlands specialists; program and project managers; and construction quality control managers. We’re a sustaining member of both the Association of State Dam Safety Officials (ASDSO) and the United States Society on Dams (USSD), the two premier organizations dedicated to dam and levee safety in the U.S. Schnabel has numerous professionals engaged in leadership positions within these and other dam-related organizations.

Component and System Performance Evaluation

• Interior drainage
• Floodwalls
• Levee embankments
• Closure structures, gates, and penetrations
•  Pump stations
• Concrete, RCC and earth dam design

Levee Evaluation, Design, and Construction

• Coastal and riverine system evaluation
• Geotechnical site investigation and laboratory testing
• Routine and periodic inspections
• Hydrologic/hydraulic analysis, and evaluation and modeling
• Embankment protection and stability
• Steady state and transient seepage evaluation
• Emergency action plans (EAPs)
• Operations and maintenance (O&M) plans
• Construction quality assurance/quality control (QA/QC) Related services
• Risk assessments and evaluations
• Permitting
• Wetland investigations and mitigation design
• Stream stabilization
• Sediment and erosion studies
• FEMA levee certifications (CFR65.10)