Lake Havasu is a large reservoir behind Parker Dam on the Colorado River, on the border between California and Arizona. Lake Havasu City sits on the lake's eastern shore. The lake has a capacity of 648,000 acre feet (799,000,000 m³). The concrete arch dam was built by the United States Bureau of Reclamation between 1934 and 1938. The lake's primary purpose is to store water for pumping into two aqueducts.
Lake Havasu, is named for the Mohave word "Havasu", which means "blue water".
Mark Wilmer Pumping Plant pumps water into the Central Arizona Project Aqueduct. Whitsett Pumping Plant is located on the lake and lifts the water 291 feet for the Colorado River Aqueduct. Gene Pumping Plant is just south of Parker Dam and gives the water an additional boost of 303 feet. The Colorado River Aqueduct has three more pumping plants, Iron Mountain, 144 feet (44 m), Eagle Mountain, 438 feet (134 m) and Julian Hinds, 441 feet (134 m). The total lift is 1,617 feet (493 m).