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Summary of selected characteristics of large reservoirs

Published by U.S. Geological Survey | Department of the Interior | Catalog Last Checked: July 13, 2026 at 07:28 PM | Dataset Last Updated: November 17, 2020 at 12:00 AM
This is a point coverage of dams in the United States and Puerto Rico, which originally was derived from the national inventory of dams data base (U.S. Army Corps of Engineers, 1982). The coverage includes locations of and selected characteristics of approximately 2,700 reservoirs and controlled natural lakes that have normal capacities of at least 5,000 acre-feet or maximum capacities of at least 25,000 acre-feet and that were completed as of January 1, 1988.

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