Najran Valley Dam
The 928th tallest dam in the world
The Najran Valley Dam (Sadd Wādī Najrān / Sudd Wādī Najrān) is an arch dam on Wadi Najran about 15 km (9.3 mi) southwest of Najran, in the Najran Province of southwest Saudi Arabia. Its purposes include water supply, flood control and groundwater recharge. Its collects run-off and sediment in the wadi and helps release it downstream slowly throughout the year. The dam was completed in 1981, and inaugurated by the Crown Prince of Saudi Arabia Nayef bin Abdulaziz Al Saud in 1982. It is owned by the Ministry of Water and Electricity.
Dam data from Wikidata (CC0) plus curated additions. Summary from Wikipedia (CC BY-SA).