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Encyclopedia > California Aqueduct
California Aqueduct at Tupman Road near Mile 237 and the city of Tupman

The California Aqueduct is a 444 mile (715 km)-long[1] aqueduct in the United States that carries water from Northern California to Southern California. A typical section has a concrete-lined channel 40 feet (12 m) wide at the base and an average water depth of about 30 feet (9 m). The widest section of the aqueduct is 110 feet (33.5 m) and the deepest is 32.8 feet (10 m).channel capacity is 13,100 ft³/s (371 m³/s) and the largest pumping plant capacity (Dos Amigos) is 15,450 ft³/s (437 m³/s). Tupman is a census-designated place located in Kern County, California. ... “Miles” redirects here. ... “km” redirects here. ... For other uses, see Aqueduct (disambiguation). ... Northern California, sometimes referred to as NorCal, is the northern portion of the U.S. state of California. ... This article is about the region of Southern California. ... This article is about the construction material. ... A foot (plural: feet or foot;[1] symbol or abbreviation: ft or, sometimes, ′ – a prime) is a unit of length, in a number of different systems, including English units, Imperial units, and United States customary units. ... This article is about the unit of length. ...


The aqueduct begins at the San Joaquin-Sacramento River Delta at the Banks Pumping Plant which pumps from the Clifton Court Forebay. Water is pumped by the Banks Pumping Plant to the Bethany Reservoir. The reservoir serves as a forebay for the South Bay Aqueduct via the South Bay Pumping Plant. From the Bethany Reservoir the aqueduct flows by gravity approximately 60 miles (97 km) to the O'Neil Forebay at the San Luis Reservoir. From the O'Neil Forebay it flows approximately 15 miles (24 km) to the Dos Amigos Pumping Plant. After the Dos Amigos the aqueduct flows about 95 miles (153 km) to where the Coastal Branch splits from the "main line". The split is approximately 10 miles (16 km) south-southeast of Kettleman City. After the coastal branch, the line continues by gravity another 66 miles (106 km) to the Buena Vista Pumping Plant. From the Buena Vista it flows approximately 27 miles (43 km) to the Teerink Pumping Plant. After Teerlink it flows about 2.5 miles (4 km) to the Chrisman Pumping Plant. Chrisman is the last pumping plant before Edmonston Pumping Plant, which is 13 miles (21 km) from Chrisman. South of the plant the coastal branch splits off in a southwesterly direction to serve the central coast. At Edmonston Pumping Plant it is pumped 1,926 feet (600 m) over the Tehachapi Mountains. The San Joaquin-Sacramento Delta. ... The South Bay Aqueduct is an aqueduct located in the San Jose, California region. ... San Luis Reservoir The San Luis Reservoir is a water-storage reservoir located in the eastern part of the Diablo Range in west-central California, approximately 32 miles southeast of the city of San Jose. ... Kettleman City is a census-designated place (CDP) in Kings County, California, United States. ... The Tehachapi Mountains (IPA: ) are a short transverse range in southern California in the United States, running SW-NE connecting the Coast Ranges on the west with the southern end of the Sierra Nevada mountains on the east. ...


Once it has crossed the Tehachapis the aqueduct divides into two branches; the West and the East Branch. The East Branch feeds Lake Palmdale, Lake Perris, and the San Gorgonio Pass area, while the West Branch heads towards Pyramid Lake and Castaic Lake in the Angeles National Forest to supply the western Los Angeles basin. Lake Perris State Recreation Area, or simply Lake Perris, is a reservoir that was completed in 1973. ... The San Gorgonio Pass (elevation 2600 feet) cuts between the San Bernardino Mountains on the north and the San Jacinto Mountains to the south. ... Pyramid Dam with Pyramid Lake is a part of the California Aqueduct, as is its neighboring Castaic Lake and dam which lies seven miles (10 km) south. ... Castaic Lake Castaic Lake Panorama Castaic Lake is a lake on Castaic Creek formed by Castaic Dam, in northwestern Los Angeles County, California, near the town of Castaic. ... The San Gabriel Mountains, part of the Angeles National Forest. ...


Water flows through the aqueduct in a series of abrupt rises and gradual falls. The water flows down a long segment, built at a slight grade, and arrives at a pumping station powered by Path 66 or Path 15. The pumping station raises the water, where it again gradually flows downhill to the next station. However, where there are substantial drops, the water's potential energy is recaptured by hydroelectric plants. The initial pumping station fed by the Sacramento River Delta raises the water 240 feet (73 m), while a series of pumps culminating at the Edmonston Pumping Plant raises the water 1,926 feet (600 m) to cross the Tehachapi Mountains. The Edmonston Pumping station requires so much power that several power lines off of Path 15 and Path 26 are needed to ensure proper operation of the pumps. Path 66 is the name of a 500 kV power line that was built by Western Area Power Administration (WAPA) in the early 1990s and completed (energized) in 1993. ... Path 15 is the name of a major north-south power transmission corridor in California. ... Potential energy can be thought of as energy stored within a physical system. ... Hydroelectric dam diagram The waters of Llyn Stwlan, the upper reservoir of the Ffestiniog Pumped-Storage Scheme in north Wales, can just be glimpsed on the right. ... Power line redirects here. ... Path 26 is a set of three 500 kV power lines that is Southern California Edisons (SCE) intertie with Pacific Gas & Electric (PG&E) to the north. ...


The Department of Water Resources (DWR) operates and maintains the California Aqueduct, including two pumped-storage hydroelectric plants, Castaic and Gianelli. Gianelli is located at the base of San Luis Dam, which forms San Luis Reservoir, the largest offstream reservoir in the United States. The Castaic Dam and Castaic Power Plant are located on the northern end of Castaic Lake. The California Department of Water Resources is responsible for the management of water resources in California. ... Diagram of the TVA pumped storage facility at Racoon Mountain Pumped storage hydroelectricity is a method of storing and producing electricity to supply high peak demands. ... San Luis Dam is a dam that creates San Luis Reservoir, which serves as an off-stream reservoir for the California State Water Project. ... The Ashokan Reservoir, located in Ulster County, New York, USA. It is one of 19 that supplies New York City with drinking water. ... Castaic Dam is a dam located on Castaic Creek and forms Castaic Lake. ...


External links

Wikimedia Commons has media related to:
California Aqueduct
  • The California Department of Water Resources
  • The State Water Project
  • The State Water Project, Maps
  • The State Water Project Today
  • Edmonston Pumping Plant

  Results from FactBites:
 
MSN Encarta - California (1557 words)
Conservationists in California are active in the fields of flood control, prevention of soil erosion, forest conservation, preservation of the state’s scenic areas and wildlife resources, and reduction of air pollution.
Numerous conservationists in California consider urban encroachment on farmland and scenic rural areas to be a major problem, especially around the rapidly growing cities of the south.
Grapes, peaches, potatoes, barley, and figs are raised chiefly in the San Joaquin Valley; and rice, sugar beets, and pears are raised mainly in the Sacramento Valley.
California Aqueduct - definition of California Aqueduct in Encyclopedia (249 words)
The California Aqueduct is an artificial concrete-lined water transport channel.
It is the main water transport structure of the California State Water Project and at nearly 450 miles in length, it is the longest river in California.
Water flows through the aqueduct in a series of abrupt rises and gradual falls.
  More results at FactBites »

 
 

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