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 reservoir has an available capacity of . 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. Prior to the dam construction, the area was home to the Mohave Indians. The lake was named (in 1939) after the
Mojave word for
blue. In the early 19th century, it was frequented by beaver trappers. Spaniards also began to mine the area along the river.