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USACE National Inventory of Dams

All charts, queries and maps reflect the most current 2018 National Inventory of Dams (NID) database. State and federal dam regulators provided their data from May to November 2018 for inclusion in the 2018 database.

Data and Resources

Additional Info

Field Value
Last Updated April 27, 2022, 19:45 (UTC)
Created April 16, 2020, 17:11 (UTC)
Update Interval
Data Owner Organization USACE
Data Owner Contact Name NID
Data Owner Contact Email cespa-pa@usace.army.mil