1. Lake Volta
Volume: 148 km3 (3rd)
Surface Area: 8,502 km2 – 3,283 sq mi (1st)
The combined volume and surface area ranking make Lake Volta the largest manmade lake in the world. Created by damming the Volta River by the Akosombo Dam, it is a very significant asset to Ghana’s economy, both in terms of electricity production and huge fisheries that operate on lake’s shores.