WSP06020

• File Number: 8271.300
• Description: Colorado River Basin Salinity Control Program - General Information and Publications-Reports
• Basin: Colorado Mainstem
• Water Division: 5
• Date: 1/1/3000
• Author: Sidney McFarland
• Title: Water Quality and the Law of the River
• Water Supply Pro - Doc Type: Report/Study

Parker Dam, located 155 miles below Hoover Dam, with a usable

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reservoir capacity of 619,000 acre-feet, 'first impounded water in
June 1938. This is the diversion point on the river for the
Colorado River aqueduct of the Metropolitan Water Diptrict of
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$outhern California.
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I Between the two, Davis Dam, located 67 miles below Hoover Dam,
~ith a usable reservoir capacity of 1,810,000 acre-feet, reregulates
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releases from Hoover Dam to conform to downstream water use re-
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~uiremer>i:s including the requirements of the 11exican Treaty. It
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~irst impounded water in Janua,r.y 1950.
There are five additional diversion dams on the river in the

Lower Basin:

(1) Headgate Rock Dam, located 15 miles below Parker

Da~m, diverts water to the Colorado River Indian Reservation;

(2) Palo Verde Dam, located .42 miles belm" Headgate

Rock Dam, was completed in 1957 to divert water to the Palo

Verde Irrigation District;

(3) Imperial Dam, located 90 miles below Palo Verde

Dam, serves as the diversion point for the All-American Canal,

and the Yuma and Gila projects;

(4) Laguna Dam, located 5 miles below Imperial Dam,

which once served as the diversion point for the Yuma and

North Gila Valley projects, is no longer in operation;

(5) Morelos Dam, located on tlie river below California

on the Arizona-Mexico boundary, serves as the diversion point

for the Mexican Canal, thus supplying irrigation ..,ater to the

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Mexicali Valley.

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