Dam, Levee, and Basin Analysis

Sudden and unexpected flooding resulting from the breach of a reservoir, levee, or large-volume storage pond can have dire effects on downstream communities and ecosystems. Recent failures of levees in New Orleans; dam failures in Missouri, Washington, Michigan, and Hawaii; and the failure of a coal ash disposal pond in Pennsylvania and mine tailings dams in Mississippi and Florida underscore the hazards posed by dam and levee failures. Extreme storm events or seismic activity are examples of incidents that can trigger breaches of reservoirs, levees, and storage ponds.

We are skilled in performing analyses of the risks associated with potential breaches to develop an understanding of the expected flow paths, velocities, and flood depths that could result. We utilize state-of-the-art tools and methods to develop numerical models to simulate breaches and use visualization and animation tools to graphically illustrate the results of our analysis. In addition, we work closely with our clients to develop strategies to mitigate flood risks and develop emergency response protocols.

Our project experience and expertise includes:

• Safety assessments of dams and embankments
• Numerical modeling of flood waters using one- and two-dimensional models
• Dam break and levee breach modeling
• Analysis of the stability of dams and levees
• Flood inundation and hazard mapping
• Socio-economic impact assessment and risk analysis
• Recommendations for flood warning and communication systems
• Development of emergency response plans
• Design of safety measures
• Graphical rendering and animation of results

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