Chiyodani Dam - Credit: Wikimedia Commons
Chiyodani Dam is an earthfill dam located in Hokkaido Prefecture in Japan. The dam is used for irrigation. The catchment area of the dam is 1.7 km2. The dam impounds about 8 ha of land when full and can store 620 thousand cubic meters of water. The construction of the dam was completed in 1923. Read more on Wikipedia
Source: en.wikipedia.org