Tomeyamagawa Dam
The 745th tallest dam in the world
Tomeyamagawa Dam is a gravity dam located in Yamagata Prefecture, Japan. It serves primarily for flood control. The dam's catchment area covers 7.2 km2 and, when full, it impounds about 9 ha of land. It can store 1120 thousand cubic meters of water. The construction of the dam started in 1990 and was completed in 2011.
Dam data from Wikidata (CC0) plus curated additions. Summary from Wikipedia (CC BY-SA).