Seiwa Dam

Seiwa Dam
Seiwa Dam Location within Japan
Location	Hokkaido Prefecture, Japan
Coordinates	44°0′11″N 142°17′13″E
Construction began	1924
Opening date	1926
Dam and spillways
Height	15.8 m (52 ft)
Length	255 m (837 ft)
Reservoir
Total capacity	1,162,000 m3 (41,000,000 cu ft)
Catchment area	5.7 km2 (2.2 sq mi)
Surface area	25 hectares (62 acres)

Seiwa Dam (Japanese: 西和ダム) is an earthfill dam located in Hokkaido Prefecture in Japan. The dam is used for irrigation. The catchment area of the dam is 5.7 km². The dam impounds about 25 ha of land when full and can store 1162 thousand cubic meters of water. The construction of the dam was started on 1924 and completed in 1926.