| 词条 | Lake Van Arsdale |
| 释义 |
| name = Lake Van Arsdale | image = OVERALL VIEW SHOWING FACE OF CONCRETE GRAVITY DAM AND FISH LADDER, LOOKING SOUTHWEST (UPSTREAM) FROM SNORE OPPOSITE FISH LADDER - Van Arsdale Dam, South Fork of Eel River, Ukiah, HAER CAL,23-UKI.V,1-1.tif | caption = | image_bathymetry = | caption_bathymetry = | location = Mendocino County, California[1] | coords = {{Coord|39|23|9|N|123|7|2|W|region:US-CA_type:waterbody|display=inline,title|notes=[1]}} | type = Reservoir | basin_countries = United States | inflow = Eel River, Mill Creek, Rocky Creek, Trout Creek | outflow = Eel River, Powerhouse Canal | catchment = {{Convert|345|sqmi|abbr=on}}[2] | length = | width = {{Convert|400|ft|abbr=on}} | area = {{Convert|163|acres|abbr=on}}[2] | depth = | max-depth = | volume = {{Convert|700|acre.ft}}[2] | residence_time = | shore = | elevation = {{Convert|1493|ft}} | islands = | cities = }} Lake Van Arsdale, also known as Van Arsdale Reservoir,[1] is a reservoir on the Eel River in California, part of the Potter Valley Project. Located in Mendocino County, {{Convert|4|mi}} north of the town of Potter Valley, California, the reservoir supplies water to users as far south as Marin County. The reservoir is formed by the Cape Horn Dam, also known as Van Arsdale Dam,[1] which impounds the waters of the Eel River. A portion of its water ({{Convert|154000|acre.ft}} per year, on average) is diverted southward through an aqueduct tunnel to a powerhouse in Potter Valley, where it drives a turbine capable of generating up to 9.4 MW of electric power. Diverted water then descends by means of the Powerhouse Canal and the East Branch Russian River to Lake Mendocino, which supplies the Sonoma County Water Agency. The non-diverted flow continues down the Eel to its mouth at the Pacific Ocean near Fortuna.[3] HistoryIn 1905, the Snow Mountain Water and Power Company started building the Potter Valley Project. Cape Horn Dam was completed in 1907,[2] and the original project became operational in 1908. Pacific Gas and Electric Company took over project in 1930 and has owned the dam ever since. Cape Horn DamCape Horn Dam is a gravity dam {{Convert|96|ft}} high, {{Convert|515|ft}} long, and {{Convert|10|ft}} thick, containing {{Convert|40000|cuyd}} of material. Its crest is {{Convert|1519|ft}} above sea level.[2] See also
References1. ^1 2 3 {{Cite gnis|236993|Van Arsdale Reservoir}} 2. ^1 2 3 4 {{Cite web|url=http://www.water.ca.gov/damsafety/docs/Juris(T-Z)1.pdf|accessdate=September 15, 2010|title=Dams Within the Jurisdiction of the State of California}} 3. ^{{Cite web|url=http://www.russianriverwatershed.net/docManager/1000003253/his-4%20PVOverview.doc|title=Potter Valley Project (FERC No. 77) Project Overview|accessdate=September 15, 2010}} External links{{commons cat|Van Arsdale Dam}}
5 : Buildings and structures completed in 1907|Reservoirs in Mendocino County, California|Dams in California|Pacific Gas and Electric Company dams|Eel River (California) |
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