WSP12935

• File Number: 8220.100.35
• Description: Colorado River Basin Monthly Content Reports
• Basin: Colorado Mainstem
• Date: 1/17/2003
• Author: Upper Colorado River Commission
• Title: 2003 reports: Content and Power Generation and Streamflow of Selected Colorado River Basin Reservoirs and Tributaries
• Water Supply Pro - Doc Type: Data

UPPER COLORADO
RIVER COMMISSION

355 South 400 East. Salt Lake City. Utah 84111 .801-531-1150. FAX [phone]

To:

Upper Colorado River Commissioners and Advisers

From:

Staff

Date:

August 15, 2003

Subject:

MONTHLY CONTENT, POWER GENERATION AND STREAlVI FLOW OF
SELECTED COLORADO RIVER BASIN RESERVOIRS AND TRIBUTARIES.

UPPER BASIN RESERVOIR CONDITIONS

Conditions for selected Colorado River System Reservoirs on July 31,2003 are shown in Table 1. Data
was obtained from the monthly reservoir summary provided by the Bureau of Reclamation Upper Colorado
Regional Office Water Resources Group. Reservoir storage capacity conditions for July 31,2003 are also
shown below in figure 1.

STORAGE
RESERVOIR

WATER SURF ACE
ELEVATION
(ft.)

RESERVOIR CHANGE IN LIVE STORAGE LIVE STORAGE
LIVE CONTENT CONTENT CAP ACITY CAP ACITY
(1000 a.f.) (1000 a.f.) (1000 a.f.) (%)

Fontenelle
Flaming Gorge
Blue Mesa
Navajo
Lake Powell
Upper Basin Total

6,498.43
6,010.88
7,473.23
6,007.43
3,610.63

287.20
2,669.80
457.90
800.00
12,793.80
17,008.70

21.10
-13.70
-53.90
-84.60
-570.70
-701.80

345
3,749
829
1,696
24,322
30,941

83.25%
71.21%
55.24%
47.17%
52.60%
54.97%

Live Storage Capacity
Conditions July 31

100% I
i
80% '
I
60% I
I
40% '
I
1
20% '
I
0% I

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Fomendk f1amiD8 GOfge

I illEJ Live Content

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ij Available Storage I

Figure 1