From the Corps of Engineers

The breaches that have occurred on the levees surrounding New Orleans are located on the 17th Street Canal Levee and London Avenue Canal Levee. The 17th Street Canal Levees and London Avenue Canal Levees are completed segments of the Lake Ponchartrain and Vicinity Hurricane Protection Project. Although other portions of the Lake Ponchartrain project are pending, these two segments were complete, and no modifications or improvements to these segments were pending, proposed, or remain unfunded.

Three major pending projects are in various stages of development: two hurricane protection projects -- the West Bank and Vicinity project and the remaining portions of the Lake Ponchartrain project, and the Southeast Louisiana flood damage reduction project. Even if these three projects in development were completed and in place, they would not have prevented the breach and the flooding caused by the breach. Like the levee that was breached, the hurricane protection projects were designed to withstand forces of a hurricane that has a .5% chance of occurrence in any given year. This translates to what is now classified as a Category 3 hurricane.