What is the largest manmade lake in the united states?

With a total area of about 205,000 acres in both Louisiana and Texas and providing water supply, hydroelectric power, and a plethora of recreational uses, Toledo Bend Lake is the largest human-made body of water in the south and the ninth largest in the United States. read more

The area of some lakes fluctuates substantially. For those lakes partially in Canada or Mexico the area given for the lake is the total area, not just the part of the lake in the United States. Of the top 100 lakes, 55 are man-made and 45 are natural. Three lakes in the top 100 are primarily salt water. read more

Quick Answer. As of 2014, the largest man-made lake in the U.S. is Lake Mead. Lake Mead is located in Arizona and Nevada, as part of the Lake Mead National Recreation Area. read more