The Secretary of the Army shall maintain and update information on the inventory of dams in the United States. Such inventory of dams shall include any available information assessing each dam based on inspections completed by either a Federal agency or a State dam safety agency.
33 U.S. Code § 467d. National dam inventory
A prior section 467d, Pub. L. 92–367, § 5, Aug. 8, 1972, 86 Stat. 507, directed Secretary report to Congress on or before July 1, 1974, on activities under this subchapter, including in report an inventory of dams in the United States, a review of each inspection made, recommendations to State Governors and implementation of those recommendations, recommendations for comprehensive national program for inspection and safety regulation, and recommendations on responsibilities which should be assumed by Federal, State, and local governments and by public and private interests, prior to repeal by Pub. L. 104–303, title II, § 215(c)(2), Oct. 12, 1996, 110 Stat. 3685.