Monday, August 31, 2026 Search My Trip EnglishChinese
World news · travel · culture
Taiwan The Taiwan Times
Taiwan's window to the world

Copan Dam

The 928th tallest dam in the world

m

Copan Dam is a dam in the US state of Oklahoma, Washington County, in the northeastern part of the state. Construction of the earthen dam began in 1972 and was completed in 1983 by the United States Army Corps of Engineers, with a height of 73 feet (22 m) and a length of 7,730 feet (2, 360 m) long at its crest. It impounds Little Caney River for flood control and municipal drinking water. The dam is owned and operated by the Corps of Engineers. The reservoir it creates, Copan Lake, has a water surface of 7.6 square miles (20 km2), has a maximum capacity of 338,000 acre-feet (417, 000, 000 m3), and normal capacity of 43,400 acre-feet (53, 500, 000 m3). Copan Wildlife Area is a wildlife management area that was leased to the Kansas Department of Wildlife and Parks from the Corps of Engineers in 1981. The wildlife area is part of an overall project with the Copan Reservoir, located in Oklahoma. It covers 2,360 acres (9, 600, 000 m2) in Montgomery County, Kansas.

Dam data from Wikidata (CC0) plus curated additions. Summary from Wikipedia (CC BY-SA).

More dams in United States

  1. Oroville Dam234.7 m
  2. Hoover Dam · Colorado River221 m
  3. Glen Canyon Dam216 m
  4. Ross Dam164.6 m
  5. Rampart Dam155 m

Other tall dams worldwide

  1. Rogun Dam · Tajikistan335 m
  2. Shuangjiangkou Dam · China312 m
  3. Norak Dam · Tajikistan300 m
  4. Grande Dixence dam · Switzerland285 m
  5. Sayano-Shushenskaya Dam · Russia245 m
  6. Oroville Dam · United States234.7 m
  7. Bhakra Dam · India225.6 m
  8. Hoover Dam · United States221 m