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United States of America - Total dam capacity

725.20 (km3) in 2012

Total cumulative storage capacity of all dams in each country. The value indicates the sum of the theoretical initial capacities of all dams, which does not change with time. The amount of water stored within any dam is likely less than the capacity due to silting. Data on small dams may not be included, although their aggregate storage capacity is generally not significant. Detailed information on dams can be accessed in regional geo-referenced dam databases on

Date Value Change, %
2012 725.20 0.00%
2007 725.20 0.00%
2002 725.20 0.17%
1997 724.00 0.39%
1992 721.20 1.66%
1987 709.40 1.63%
1982 698.00 4.73%
1977 666.50 8.50%
1972 614.30 17.08%
1967 524.70 28.51%
1962 408.30

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