Provides wastewater treatment plant managers and other responsible parties with an idea of what disturbances to expect during a variety of natural disasters. The initial chapters discuss general preparedness issues, followed by chapters addressing earthquakes, floods, and hurricanes. In each type of disaster, the physics, vulnerabilities, and expected damage involved is discussed in detail. The final two chapters address last minute planning and the creation and execution of an emergency or disaster plan. Appendices provide seven case studies from the US of recent disasters, including background, emergency preparedness system, damage, short-and long-term repair efforts, and lessons learned.