| 词条 | Ōmachi Dam |
| 释义 |
| name = Ōmachi Dam | name_official = | image = Omachi Dam.jpg | image_size = | image_caption = | image_alt = | location_map = Japan | location_map_size = | location_map_caption = | coordinates = {{coord|36|30|53|N|137|46|53|E|type:landmark|display=inline,title}} | country = Japan | location = Ōmachi | status = O | construction_began = 1972 | opening = 1985 | demolished = | cost = | owner = TEPCO | dam_type = Gravity | dam_height = {{Convert|107|m|ft|0|abbr=on}} | dam_height_thalweg = | dam_height_foundation= | dam_length = {{Convert|338|m|ft|0|abbr=on}}[1] | dam_width_crest = | dam_width_base = | dam_volume = {{Convert|766000|m3|cuyd|0|abbr=on}} | dam_elevation_crest = | dam_crosses = Takase River | spillway_count = 2 | spillway_type = 4 x radial gates | spillway_capacity = {{Convert|1910|m3/s|ft3/s|0|abbr=on}} | res_name = | res_capacity_total = {{Convert|33900000|m3|acre.ft|0|abbr=on}} | res_capacity_active = {{Convert|28900000|m3|acre.ft|0|abbr=on}} | res_capacity_inactive= | res_catchment = | res_surface = {{Convert|110|ha|acre|0|abbr=on}} | res_elevation ={{Convert|898|m|ft|0|abbr=on}}[2] | res_max_depth = | res_max_length = | res_max_width = | plant_hydraulic_head = {{Convert|63.4|m|ft|0|abbr=on}} | res_tidal_range = | plant_operator = | plant_commission = April 1985 | plant_decommission = | plant_type = | plant_turbines = 1 x 13 MW Francis-type | plant_capacity = 13 MW | plant_annual_gen = | website = | extra = }} The Ōmachi Dam is a concrete gravity dam on the Takase River just west of Ōmachi in Nagano Prefecture, Japan. Construction of the dam began in 1975 and it was completed in 1985. The primary purpose of the dam is water supply and it also supports a 13 MW hydroelectric power station.[3] It is owned by TEPCO.[1] See also{{stack|{{Portal|Japan|Water|Renewable energy}}}}
References1. ^1 {{cite web|title=Omachi Dam|url=http://damnet.or.jp/cgi-bin/binranA/All.cgi?db4=1032|publisher=Japan Dam Handbook|accessdate=8 August 2011}} {{Commons category}}{{Dams in Nagano Prefecture}}{{DEFAULTSORT:Omachi Dam}}2. ^{{cite web|title=Omachi Dam|url=http://dammania.net/nagano/oomati.html|publisher=DamMania|accessdate=8 August 2011}} 3. ^{{cite web|title=Tokyo Electric Power Plant Omachi|url=http://www.suiryoku.com/gallery/nagano/ohmachi/ohmachi.html|publisher=Suiryoku.com|accessdate=8 August 2011|language=Japanese}} 4 : Dams in Nagano Prefecture|Hydroelectric power stations in Japan|Gravity dams|Dams completed in 1985 |
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