Ohdutsumi Dam - Credit: Wikimedia Commons
Ohdutsumi Dam is an earthfill dam located in Akita Prefecture in Japan. The dam is used for irrigation. The catchment area of the dam is 1.6 km2. The dam impounds about 6 ha of land when full and can store 273 thousand cubic meters of water. The construction of the dam was completed in 1921. Read more on Wikipedia
Source: en.wikipedia.org