ASDSO Dam Safety Toolbox


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Angat Afterbay Regulator Dam.

(Image Source: Wikimedia)

"State governments regulate 80 percent of the approximately 87,000 dams listed in the National Inventory of Dams (NID). Although state programs vary in the scope of their authority, program activities pertaining to the construction of new or modification of existing dams typically provide for:

In addition to state dam safety regulation, dam construction or rehabilitation projects may be subject to regulation by other local, state and federal agencies pertaining to environmental impacts, cultural resources and more. Hydropower dams in the United States may also be subject to regulation by the Federal Energy Regulatory Commission (FERC).

Best Practices Resources

Model State Dam Safety Program (FEMA P-316)

Federal Guidelines for Dam Safety (FEMA P-93)


On-Demand Webinar: The History of Dam Safety Governance in the US Including Risk Analysis

On-Demand Webinar: Introduction to Public Safety Risk Evaluation and Treatment for Dams and Levees


Revision ID: 7469
Revision Date: 07/28/2023