Settlers Dam
The 928th tallest dam in the world
Settlers Dam is situated outside Grahamstown, South Africa, east of the Kariega and Palmiet River's confluence. Its purpose is recreation and water supply for Grahamstown. The dam is flanked on its northern shore by the Thomas Baines Nature Reserve.
Dam data from Wikidata (CC0) plus curated additions. Summary from Wikipedia (CC BY-SA).