WSP05694

• File Number: 8282.500.20.A
• Description: Colorado River Operations
• Basin: Colorado Mainstem
• Date: 7/25/1969
• Author: USDOI/BOR
• Title: Meeting of Federal and State Representatives for Review of Basic Data Pertinent to the Preparation of Operating Criteria for the Colorado Pursuant to Section 602 of Public Law 90-537
• Water Supply Pro - Doc Type: Publication

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five hundred thousand acre-feet in Arizona, california, and

Nevada, diversions from the mainstream for Central Arizona

Project shall be SO limited as to assure the availability of

water in quantities sufficient to provide for the aggregate

annual consumptive use * * * in the State of California * * *

of four million four hundred thousand acre-feet of mainstream

water ."

Section 606 of Public Law 90-537 contains the following definition:

"(d) 'Active storage' means that amount of water in reservoir

storage, exclusive of bank storage, which can be released

through the existing reservoir outlet works * * *."

The following table shows for the presently available capacity curves

the amount of active storage capacity in the reservoirs of the

Colorado River Storage Project and Lake Mead:

Units Feet and 1,000 Acre-Feet

Maximum conser-
vation storage
W. S. Active
elev. storage
Flaming Gorge 6,040 3,749
Blue Mesal/ 7,519 830
Morrow PoIntl/ 7,160 117
Crystal,!/ - 6,750 27
Navajo 6,085 1,696
Lake Powell 3,700 25,002
Total CRSP 31,421
Lake Mead2/ 1,219.61 25,877
l/Reservoirs of Curecanti Storage Unit.
:?:/Maxi.JnuD). W.S. elevation is that necessary to make 1,500,000 acre-feet of
exclusive "1"'''' control storage below elevation 1229 feet.
1. Level required for diversion to Navajo Indian Irrigation Project.

Reservoir

At rated
power head
W. S. Active
elev. storage
5,946 1,062
7,438 249
7, 108 80
6,729 21
3/ 5,990 660
- 3,570 9,428
11, 500
13 ,653

1,083

At minimum
power head
W. S. Active
e1ev. storage
5,871 233
7,393 81
7,100 75
6,700 15
3/ 5,990 660
- 3,490 4,126
5,190
10,024

1,123

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