The Najran Valley Dam is an arch dam on Wadi Najran about 15 km (9.3 mi) southwest of Najran in Najran Province of southwest Saudi Arabia. It has several purpose to 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 Abdul-Aziz Al Saud in 1982.
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