This article lists the largest lakes, natural and man-made, in the United States by volume—the amount of water they contain under normal conditions.
Capacity given is for normal or average lake level.
Note: Volume estimates not available for Selawik and Naknek Lakes in Alaska.
They would undoubtedly rank on this list if data available.
Information other than otherwise noted from http://www.lakelubbers.com/, accessed 9 Mar 2011