WSP04117

• File Number: 8282.600.10
• Description: Colorado River Operating Annual Reports
• Basin: Colorado Mainstem
• Date: 1/1/1976
• Author: USDOI/BOR
• Title: Operation of the Colorado River Basin 1976 Projected Operations 1977
• Water Supply Pro - Doc Type: Publication

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Consumptive Use and Losses

For water year 1977, a release of 7,226,000 acre-
feet from Lake Havasu has been projected, in-
cluding consumptive use requirements in the
United States below Parker Dam, transit losses
in the river between Parker Dam and the Mexican
Border, and Treaty deliveries to Mexico,

During water year 1977, the Metropolitan Water
District of Southern California is expected to divert
791,000 acre-feet by pumping from Lake Havasu,
including a contract delivery of 9,600 acre-feet to
the city of Tijuana as a part of Mexico's Treaty
delivery,

Consumptive use by small users, river losses or
gains, and reservoir losses between Davis Dam
and Parker Dam are projected to be 385,000 acre-
feet.

There are no major Users between Hoover Dam
and Davis Dam. During water year 1977, consump-
tive use by small users, river losses or gains, and

28

Water skiers on Flaming Gorge Reservoif.

reservoir losses between Hoover Dam and Davis
Dam are projected to be 60,000 acre-feet.

During water year 1976, the net diversions from
Lake Mead are projected at 98,000 acre-feet.
Evaporation from Lake Mead is expected to be
about 884,000 acre-feet, and net gain between
Glen Canyon Dam and Lake Mead is expected to
be about 871,000 acre-feet.

Regu'ratory Wastes

A regulatory waste of 15,000 acre-feet has been
projected as being lost from the Lower Colorado
River for water year 1977, as indicated in this
section under Mexican Treaty obligations,

The guides set forth in the "Report on Rese,"oir
Regulations for Flood Control Storage at Hoover
Dam and Lake Mead" are in effect, but no flood
control rei eases were anticipated for water year
1976.