Landmark: United States Logo

Dams and Reservoirs

Structures used to hold back the flow of water or to store water for future use.


Hoover Dam

Mohave County, Arizona
Hoover Dam, built during the Great Depression, allows control of the Colorado River for flood control, irrigation and the production of electricity.


Hoover Dam (Boulder Dam)

Hoover Dam is a concrete gravity-arch dam on the border between the U.S. states of Arizona and Nevada.

Top 2 Most Popular Dams and Reservoirs Landmarks

  1. Hoover Dam (Boulder Dam)
  2. Hoover Dam