Yomasari Dam
{{Short description|Dam in Aomori Prefecture, Japan}}
{{Infobox dam
| name = Yomasari Dam
| image = YomasariDamu Hachinohe.jpg
| image_caption =
| name_official = 世増ダム
| dam_crosses = Niida River
| res_name = Lake Aoba
| location_map = Japan Aomori Prefecture#Japan
| location = Hachinohe, Aomori, Japan
| operator = Ministry of Agriculture, Forestry and Fisheries (Japan)
| dam_length = 247 meters
| dam_height = 52 meters
| dam_width_base =
| construction_began = 1976
| opening = 2003
| cost =
| res_capacity_total = 36,500,000 m3
| res_catchment = 398 km2
| res_surface = 180 hectares
| coordinates = {{coord|40|23|25|N|141|28|50|E|type:landmark_region:JP|display=inline}}
| extra =
}}
The {{nihongo|Yomasari Dam|世増ダム|Yomasari damu}} is a dam on the Niida River, located in the city of Hachinohe, Aomori Prefecture in the Tōhoku region of northern Honshū, Japan.
History
Yomasari Dam was designed as a multi-purpose dam, to provide for flood control in the event of heavy rains or typhoons, which had potential to flood downtown Hachinohe. The reservoir created was intended to provide water for tap water, as well as agricultural and industrial purposes, and to create a new recreational area for fishing and boating for the residents of Hachinohe. However, there is no hydroelectric power station associated with the dam.
Preliminary design work began on the Yomasari Dam in 1976, with main construction beginning in 1989, and was completed by 2003 by a consortium of the Obayashi Corporation, Sumitomo Mitsui Construction, and Tekken Corporation.
Design
The Yomasari Dam is a hollow-core concrete gravity dam with several central spillways.
References
- Japan Commission on Large Dams. Dams in Japan:Past, Present and Future. CRC Press (2009). {{ISBN|978-0-415-49432-8}}
- [http://damnet.or.jp/cgi-bin/binranA/All.cgi?db4=0218 photo page with data]
{{Dams in Aomori Prefecture}}
Category:Dams in Aomori Prefecture