Pymatuning Lake is created by Pymatuning Dam which was built on the Shenango River. Shenango River Dam and Lake are downriver.
Shenango River Dam.
Pymatuning State Park - Pennsylvania - was created in 1934.
Man-made: Pymatuning Lake Natural: Harvey's Lake
The Hoover Dam, also called Boulder Dam, generates electricity and provides flood control. It also creates a large lake used as a water reservoir and for recreational purposes.
Lake Darling Dam was created in 1936.
The state of Alaska has around 167 dams. Some of them are the Akhoik Dam, the Adak Dam, the Akutan Power Dam, and the Blue Lake Dam. Some additional dams on the list are the Lake Demarie Dam, the Engstrom Dam, and the Chester Lake Dam.
Lake Mead is the reservoir lake formed in Arizona and Nevada by Hoover Dam.
There is no Lake formed by the Headgate Rock Dam. It is just a diversion dam with a powerplant.
The Kariba Dam creates most of the electricity in central Africa.
The Hoover dam is at the end of Lake Mead. So they are not the same thing.
what do you call an artificially body of water that forms behind a dam
Kariba Dam / Lake Kariba is the largest manmade lake in the world.
Definitely Summersville Lake Dam