Welcome to the National Inventory of Dams Web Site. To query the 2013 NID database, you must request a username and password. Non-government users can query the database using the interactive report and map functions but cannot directly download any data from this site. All questions can be directed to the NID Data Team at firstname.lastname@example.org.
Congress first authorized the US Army Corps of Engineers to inventory dams in the United States with the National Dam Inspection Act (Public