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Major Dams in the United States
Entry ID: UTC_USdams

Abstract: This data set portrays major dams of the United States, including Puerto Rico and the U.S. Virgin Islands. The data set was created by extracting dams 50 feet or more in height, or with a normal storage capacity of 5,000 acre- feet or more, or with a maximum storage capacity of 25,000 acre-feet or more, from the 75,187 dams in the U.S. Army Corps of Engineers National Inventory of Dams. These ... View entire text
Geographic Coverage
Spatial coordinates   
  N: 68.07   S: 18.02   E: -66.01   W: -162.93

Data Set Citation
Dataset Originator/Creator: U.S. Geological Survey
Dataset Title: Major Dams in the United States
Dataset Release Date: 1999-01-01T00:00:00.000Z
Dataset Release Place: Reston, Virginia
Dataset Publisher: U.S. Geological Survey
Version: Not provided
Data Presentation Form: vector digital data
Online Resource:
Temporal Coverage
Start Date: 1995-01-01
Stop Date: 1996-12-31
Quality This file contains those dams from the National Inventory of Dams with a height
of 50 feet or more, or with a normal storage capacity of 5000 acre-feet or
more, or with a maximum storage capacity of 25,000 acre-feet or more. Dams
outside of the 50 States, Puerto Rico, and the U.S. Virgin Islands are not
included, nor are dams for which there is no positional information in the
National Inventory of Dams.
Access Constraints None
Use Constraints None. Acknowledgment of the National Atlas of the United States of America
would be appreciated in products derived from these data.
Data Set Progress
Data Center
National Geospatial Programs Office, U.S. Geological Survey, U.S. Department of the Interior Supplemental Info
Data Center URL:

Data Center Personnel
Email: atlasmail at
Contact Address:
National Atlas
U.S. Geological Survey
508 National Center
12201 Sunrise Valley Drive
City: Reston
Province or State: Virginia
Postal Code: 20192
Country: USA

Data Center Personnel
Fax: 303-202-4742
Email: sponce at
Contact Address:
Box 25046, Denver Federal Center Mail Stop 150
City: Denver
Province or State: CO
Postal Code: 80225-0046
Country: USA
Phone: (301) 614-6898
Fax: 301-614-5268
Email: Tyler.B.Stevens at
Contact Address:
NASA Goddard Space Flight Center
Global Change Master Directory
City: Greenbelt
Province or State: MD
Postal Code: 20771
Country: USA
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Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date: 2003-03-28
Last DIF Revision Date: 2018-07-02