4001

• UCREFRP Catalog Number: 4001
• Author: U.S. Bureau of Reclamation.
• Title: Colorado River System Consumptive Uses and Losses Report 1976-1980.
• USFW Year: 1981.
• USFW - Doc Type: Washington, D.C.
• Copyright Material: NO

events, such as occurred in 1979 and
1980, inflows to the Colorado River
mainstream are negligible. Releases
through Painted Rock Dam in water year
1980 totaled 2,385,000 acre-feet with
only approximately 1,720,000 acre-feet
reaching the Colorado River.
Remaining area in Arizona, Nevada, and
Utah: Development away from the
Colorado River mainstream is limited by
the availability of water and the
rugged terrain. In the Boulder City-
Las Vegas area there has been a signif-
icant increase in the municipal and
industrial demand for water. Construc-
tion on the second stage of the South-
ern Nevada Water Project began in 1977
and continued through 1980. Completion
of the project will allow Nevada to use
its complete entitlement from the
Colorado River.
Most of the irrigated lands in
this area are located in the lower
reach of the Virgin River and Las Vegas
Valley in Nevada, on Kanab Creek in
Arizona and Utah, and the lower por-
tions of the Gila and Bill Williams
Rivers in Arizona. Current irrigated
lands are estimated to include approx-
imately 47,000 acres. North Las Vegas,
Las Vegas, Henderson, and Boulder City
in Nevada, and Kingman and Williams in
Arizona are the leading cities.
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