| 词条 | Lower Monumental Dam |
| 释义 |
| name =Lower Monumental Dam | image =USACE Lower Monumental Dam.jpg | image_size =250 | image_caption =View from the southwest | name_official = | dam_crosses =Snake River | res_name = Lake Herbert G. West | location = Franklin and Walla Walla counties, Washington, U.S. | spillway_type =Service, gate-controlled | operator =U.S. Army Corps of Engineers | dam_length = {{convert|3791|ft}} | dam_height = {{convert|100|ft|0}} | dam_width_base = | construction_began =June 1961 | opening =1969 | cost = | res_capacity_total ={{nowrap|{{convert|432000|acre feet|km3|2|abbr=on}}[1]}} | res_catchment = | res_surface ={{convert|6590|acre|km2}} | res_max_length = | res_max_width = | res_max_depth = | res_elevation = {{Convert|540|ft|0|abbr=on}} | plant_turbines =6 x 135-153 MW[2] | plant_capacity =810 MW 932 MW (max) | dam_type =Concrete gravity, run-of-the-river | plant_annual_gen = | coordinates = {{coord|46.563|-118.539|region:US_type:landmark|display=inline,title}} | extra = }} Lower Monumental Lock and Dam is a hydroelectric, concrete, run-of-the-river dam in the northwest United States. Located on the Snake River, it bridges Franklin and Walla Walla counties in southeast Washington.[3][4] It is {{convert|6|mi|0|spell=in}} south of Kahlotus and {{convert|43|mi|-1}} north of Walla Walla. Construction began in June 1961, and the main structure and three generators were completed in 1969, with an additional three generators finished in 1981. Generating capacity is 810 megawatts, with an overload capacity of 932 MW. The spillway has eight gates and is {{convert|572|ft}} in length. Lower Monumental Dam is part of the Columbia River Basin system of dams. Behind the dam, Lake Herbert G. West is the reservoir; it extends {{convert|28|mi}} east to the base of Little Goose Dam. Lake Sacajawea, formed from Ice Harbor Dam, runs {{convert|22|mi}} southwest, downstream from the base of the dam. {{stack|}}
See also{{stack|{{Portal|Washington|Water|Renewable energy}}}}
References1. ^{{cite web|title=The Four Lower Snake River Dams|url=http://www.bluefish.org/fourdams.htm|publisher=Bluefish.org|accessdate=17 July 2010}} 2. ^{{cite web|title=Lower Monumental Dam|url=http://www.cbr.washington.edu/crisp/hydro/lmn.html/lwg.html|publisher=Washington.edu|accessdate=17 July 2010}} {{Dead link|date=October 2010|bot=H3llBot}} 3. ^{{cite news |url=https://news.google.com/newspapers?id=EbNeAAAAIBAJ&sjid=6C8MAAAAIBAJ&pg=1690%2C3214762 |work=Lewiston Morning Tribune |location=(Idaho) |agency=(photo) |title=Lower Monumental Dam |date=March 19, 1964 |page=13}} 4. ^{{cite web|title=The Columbia River System Inside Story|url=http://www.bpa.gov/power/pg/columbia_river_inside_story.pdf|publisher=BPA.gov|accessdate=17 July 2010|pages=14–15}} External links{{Commons category|Lower Monumental Dam}}
12 : Dams in Washington (state)|Dams on the Snake River|Gravity dams|Hydroelectric power plants in Washington (state)|Run-of-the-river power stations|Buildings and structures in Franklin County, Washington|Buildings and structures in Walla Walla County, Washington|Dams completed in 1969|1969 establishments in Washington (state)|Energy infrastructure completed in 1969|Energy infrastructure completed in 1981|United States Army Corps of Engineers dams |
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