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Encyclopedia > Imperial Dam
A picture of Imperial Dam
A picture of Imperial Dam

The Imperial Dam is a dam near Yuma, Arizona (USA), built in the 1930s. It diverted Colorado River water into three different canals and held the river water until it could be directed into a desilting plant before being released into the All-American Canal, the Gila River, and the Yuma project aqueduct. Because it was built between 1932 and 1940, The Imperial Irrigation District (IID) relied on water from two temporary canals: The Inter-California canal and the Imperial canal (Alamo river). Image File history File linksMetadata Imperial_Dam. ... Image File history File linksMetadata Imperial_Dam. ... Yuma is a city in and county seatGR6 of Yuma County, Arizona, United States. ... Colorado River in the Grand Canyon from Desert View The Colorado River is a river in the southwestern United States and northwestern Mexico, approximately 1,450 mi (2,333 km) long, draining a part of the arid regions on the western slope of the Rocky Mountains. ... The All-American Canal brings Colorado River water to the Imperial Valley in California. ... The Gila River, a tributary of the Colorado, is shown highlighted on a map of the United States The Gila River (Oodham [Pima]: Hila Akimel) is a tributary of the Colorado River, 630 mile (1,014 km) long, in the southwestern United States. ... Formed in 1911, the Imperial Irrigation District (IID) was made to acquire the properties of the bankrupt California Development Company and its Mexican subsidiary. ...


The dam was built with three sections; the gates of each section hold back the water to help divert the water towards the desilting plant. Three giant desilting basins and seventy-two 770 foot (230 m) long scrapers hold and desilt the water; the removed silt is carried away by six sludge-pipes running under the Colorado River that dump the sediment into the California sluiceway, which returns the silt to the Colorado River. The water is now directed back towards one of the three sections which divert the water into one of the three channels. About 90% of the volume of the Colorado River is diverted into the canals at this local. Diversions can near 40,000 ft³/s (1,100 m³/s), roughly the volume of the Susquehanna River and more than 50 times the natural volume of the Rio Grande River. This article or section does not cite any references or sources. ...


The Gila River and the Yuma project aqueduct branch off towards Arizona while the All-American canal branches southwards for 37 miles (60 km) before reaching its headworks on the California border and bends west towards the Imperial Valley. Official language(s) English Capital Phoenix Largest city Phoenix Area  Ranked 6th  - Total 113,998 sq mi (295,254 km²)  - Width 310 miles (500 km)  - Length 400 miles (645 km)  - % water 0. ... Official language(s) English Capital Sacramento Largest city Los Angeles Area  Ranked 3rd  - Total 158,302 sq mi (410,000 km²)  - Width 250 miles (400 km)  - Length 770 miles (1,240 km)  - % water 4. ... The Imperial Valley and the Salton Sea, as seen from the Space shuttle. ...


Though the All-American canal moves millions of gallons of water into Imperial Valley every year, thousands of it are lost due to seepage problems. IID and Mexican authorities are debating on whether or not to line the All-American canal with concrete. The Mexican authorities are opposed to the All-American canal lining project, as the leaking water allows Mexican farmers to irrigate their crops with well-water.


External links

  • USBR - Imperial Dam

  Results from FactBites:
 
Imperial Dam - Wikipedia, the free encyclopedia (306 words)
The Imperial Dam is a dam near Yuma, Arizona (USA), built in the 1930s.
Because it was built between 1932 and 1940, The Imperial Irrigation District (IID) relied on water from two temporary canals: The Inter-California canal and the Imperial canal (Alamo river).
The dam was built with three sections; the gates of each section hold back the water to help divert the water towards the desilting plant.
  More results at FactBites »


 

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