Zaaihoek Dam
The 745th tallest dam in the world
Zaaihoek Dam is a gravity type dam located on the Slang River in Kwazulu-Natal Province of South Africa. The dam, which has a 185,000,000 m3 capacity, was built in 1988. The dam primarily provides water for industrial and municipal uses. Its hazard potential has been ranked high (3). It is 39.45 km (24.5 mi) long. It is somewhat known for fishing.
Dam data from Wikidata (CC0) plus curated additions. Summary from Wikipedia (CC BY-SA).