Dam Safety

Dam SafetyDam Safety is a combination of two authoritative documents on this vital subject.

  • Federal Guidelines for Dam Safety (FEMA 93): These guidelines apply to management practices for dam safety of all Federal agencies responsible for the planning, design, construction, operation, or regulation of dams. They are not intended as guidelines or standards for the technology of dams.
  • Safety of Dams—Policy and Procedures (U.S. Army Corps of Engineers ER 1110-2-1156): This regulation prescribes the guiding principles, policy, organization, responsibilities, and procedures for implementation of risk-informed dam safety program activities and a dam safety portfolio risk management process within the United States Army, Corps of Engineers (USACE). The purpose and intent of this regulation is to ensure that responsible officials at all levels within the Corps of Engineers implement and maintain a strong dam safety program in compliance with “Federal Guidelines for Dam Safety.”

Federal Guidelines for Dam Safety

FEMA 93
April 2004

These guidelines apply to management practices for dam safety of all Federal agencies responsible for the planning, design, construction, operation, or regulation of dams. They are not intended as guidelines or standards for the technology of dams. The basic principles of the guidelines apply to all dams. However, reasonable judgements need to be made in their application commensurate with each dam’s size, complexity, and hazard. The Federal agencies have a good record and generally sound practices on dam safety. These guidelines are intended to promote management control of dam safety and a common approach to dam safety practices by all the agencies. Although the guidelines are intended for and applicable to all agencies, it is recognized that the methods of the degree of application will vary depending on the agency mission and functions.

Safety of Dams—Policy and Procedures

ER 1110-2-1156
1 November 2010

This regulation prescribes the guiding principles, policy, organization, responsibilities, and procedures for implementation of risk-informed dam safety program activities and a dam safety portfolio risk management process within the United States Army, Corps of Engineers (USACE). Risk is defined as a measure of the probability and severity of undesirable consequences or outcome. The purpose and intent of this regulation1 is to ensure that responsible officials at all levels within the Corps of Engineers implement and maintain a strong dam safety program in compliance with Federal Guidelines for Dam Safety. The program ensures that all dams and appurtenant structures are designed, constructed, and operated safely and effectively under all conditions, based on the following dam safety and dam safety program purposes, as adopted by the Interagency Committee on Dam Safety (ICODS).

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