Wemmershoek Dam
The 605th tallest dam in the world
Wemmershoek Dam is a rock-fill type dam located on the Wemmershoek River near Franschhoek and Paarl in South Africa. It was constructed between 1953 and 1957 on behalf of the City of Cape Town. With a reservoir capacity of 58,644 megalitres (2,071.0×10^6 cu ft), it provides approximately 6.5% of the storage capacity of the Western Cape Water Supply System which supplies Cape Town and surrounding areas.
Dam data from Wikidata (CC0) plus curated additions. Summary from Wikipedia (CC BY-SA).